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Power Back Door


                                                                                                                                                                                                                                                             B- R




                                                                                                                                                      J40
                                                                                                                                                      Junction Connector



                                                                                                                               A                                                                 A                                                     A




                                                                                                                                                                                                            Power Back Door Touch Sensor RH
                                                                                                                                               Power Back Door Touch Sensor LH
                                                                                                                              Y- B




                                                                                                                                                                                                Y- B
                                                                                                                               2                                                                 2
          B- R




                                                                    B- R




                                                                                                                                                                                                                                                      Y- B
                                                                                                                                               P15




                                                                                                                                                                                                            P16
                                                                                                                               1                                                                 1
      1 BF1




                                                                                                                                                                                                BR- Y
                                                                                                                              G- W
          B- R




                                                                    15
                                                                            J37
                                                                            Junction                                         3 BG3                                                       6 BG3                                                       7 BG3
                                                                            Connector
                                                                     5
      7 IB1




                                                                                                                                                                                                BR- Y
                                                                                                                              G- W




                                                                                                                                                                                                                                                      Y- B
                                           B- R




                                                                    B- R
          B- R




                                          2 B                       9 A                                                      14 A                                                         16 A                                                       15 A
                                                  B                    IG                                                      OSL                                                               OSR                                                   OSE

       2 G                                                                                                    P13(A), P14(B)
                                                                                                              Power Back Door ECU
      30A PBD




                                            HSW                                                 HAF                  POS                       FUL                                                DC+                                          DC-
                                          3 A                                           7 A                   21 A                         8 A                                            12 A                                                11 A
                                                                                                                                            B- W




                                                                                                                                                                                                L- W
                                           G- B
                    Fusible Link Block




                                                                                                                                                                                                                                               G
                                                                                          R




                                                                                                                 V
                    F 6(A), F12(G)
      140A ALT




                                         1 BH1                                      8 BG3                     4 BG3                  11 BG3                                              1 BG3                                                2 BG3
                                           G- B




       1 A
                                                                                                                                            B- W




                                                                                                                                                                                                L- W




                                                                                                                                                                                                                                               G
                                                                                          R




                                                                                                                 V




                                         12 BG1
          W




                                                                                               5                      6                       3                                                  2                                             1
                                           G- B




                                                                                        Half Latch SW




                                                                                                                                      Courtesy SW




                                                                                                                                                                                 Closer Motor
                                                                                                               Position SW




                                                                                                                                      Back Door




                                                                                                                                                                                 Opener &




                                            1
                                                                                                                                                                                                        M
                 FL MAIN                              B12
                 3. 0W
                                                      Back Door Opener SW


                                            2
                                                                                               4                                     B10
                                                                                                                                     Back Door Lock Assembly
                                                                                          W- B




                    Battery


                                                                                              A
                                                                  W- B             A                     J41
                                                                                                         Junction
                                                                                                         Connector

                                                                                                    BN




178
                                                                              2005 SIENNA (EWD613U)
B- R                                                                                                                                                              B- R

                                                                                                                                                                  R- L

                                                                                                                                                                  W- L




                                                                                                                                      W- L
                                                                                                                              R- L
       O




                                                                L




                                                                                                                                             Junction Connector
                                                                                                                                             J13(A), J14(B)
                                                                                                                             4 A      7 A
                     Power Back Door




                                                                       Power Back Door
       1                                                         4
                     Warning Buzzer
           Buzzer




                                                                       Main SW
                                                                                                                             20 B    23 B
                     P17




                                                                       P7




                                                                                                                                      W- L
       2                                                         5
                                                                W- B




                                                                                          L




                                                                                                                              R- L
                                                                                                                                     5 BE1
       LG




                                          O




                                                                                                 Junction Connector




                                                                                                                                             Junction Connector
                                                                                                                                      W- L
                                                              23 A                       25 A
                                                                                                 J11(A), J12(B)




  9 BG3                                 10 BG3                                                                                11      13
                                                               7 B                        9 B




                                                                                                                                             J37
                                                                                                                               1       3
       LG




                                                                W
                                          O




                                                                                          L




                                                                                                                                      W- L
                                                                                                                              R- L




       1 A                               2 A                   5 A                        6 A                                22 A    10 A
       BZR-                               BZR+                   MSE                      MSW                                 MPX1    ECUB

                                                            P13(A), P14(B)
                                                            Power Back Door ECU

       DSG                        DS2          DS1    DSV        BD+                BD-          CL+                   CL-     GND    CTYO
   23 A                    24 A            25 A      26 A      1 B              3 B             7 B                   6 B    8 B      4 B
                                                                                                                                      G- W




                                                                                                                                     2 BH1
                                L- B
       GR




                                              BR




                                                                                  W




                                                                                                                      O
                                                      Y




                                                                B




                                                                                                P




                                                                                                                              W- B




                                                                                                                                      G- W




       6                         5             1      2          7                 8            3                     9
       DSG                        DS2          DSI    DSV        BD+                BD-          CL+                   CL-




                    P12
                    Power Back Door Drive Unit




                                                                                                                                                                  G- W




                                                                                                                                BM




                                                                                                                                                                         179
                                                                                           2005 SIENNA (EWD613U)
Power Back Door


  B- R                                                                                                                                                                                 From Power Source System (See Page 58)


  R- L

  W- L
                                                                                                                                                                                                10A                                10A
                                                                                                                                                                                                ECU- B                             ECU- IG




                                                                                                                                                                                      8 2C                   9 1P
                                                            From Power Source System
                                                            (See Page 58)                                                                                                                          B- R




                                                                                                                                          W- L




                                                                                                                                                                                       W- L
                                                                                                                       R- L
                                                                                                                                    7 1L                                              24 1C
                                                                                   10A
                                                                                   GAUGE1
         W- L




                       W- L
                R- L




                              R- L




                                                                                                                      21 B                                                             26                              15
                                                                                                                       MPX2                                                            BECU                               IG
         15     73     54     13                                  26 1L
                                                                                                                                      B 6(A), B 7(B), B 8(C), B 9(D)
                                     Connector




                                                                                                                                      Body ECU
                                     Junction
                                     J19




                                                                                                                       MPX1                                                             RDA        PRG                 BCTY
                                                                       R




         14                   33                                                                                       14                                                             12 D       11 D                 25 B

                                                                       85
                                                                                J18
         W- L




                                                                                                                      7 1E
                              R- L




                                                                                                                                                                                                                       G- W
                                                                                Junction
                                                                                Connector
                                                                                                                       R- L




                                                                       76
                                        Combination Meter




                              29                                                                                       22
                                                                                                                                 Airbag Sensor
                                                                       R




                                                                                                                       MPX2




                                                                                                                                                                                                                               J13(A), J14(B)
                                                                                                                                 Assembly




                                                                                                                                                                                                                      10 A




                                                                                                                                                                                                                               Connector
                                                                                                                                                                                                                               Junction
                                        C10




                                                                                                                                 A21




                                                                                                                       MPX1
                                                                  10      II3
                                                                                                                                                                                       P- L




                                                                                                                                                                                                  GR
                              28                                                                                       24
                                                                                                                                                                                                                      26 B
                                                                                                                       R- L
                                                                       R
                              V




                                                                                                                      6 1E

                                                                        2
                                     Connector




                              32
                                                                                Park/Neutral
                                                                                Position SW
                                     Junction




                                                                                                                      32 1H
                                                                                                                                                         Door Lock Control Receiver
                                     J19




                                                                                                                                 Engine Control Module
                                                                                P1




                                                                                                                       V




                              62
                                                                                                                                                                                        2          3
                                                                        6
                                                                                                                      29 B                                                              RDA        PRG
                                                                                                                                 E 4(A), E 5(B)
                              V




                                                                                                                       MPX2
                                                                       L- Y




                               2                                                                      P                MPX1                                                               +B       GND
                                                                                                                                                         D4




                              MPX+                                 6      II3                  6 A                    18 B                                                              5          1
                                        A/C Control
                                        Assembly




                                                                                                                       R- L
                                                                                               L- Y




                              MPX-
                                        A9




                               3
                                                                                                          Connector




                                                                                                                              Connector




                                                                                               61                      90
                                                                                                                                                                                                                       G- W
                                                                                                                                                                                                  W- B
                                                                                                                                                                                       W- L
                                                                                                          Junction




                                                                                                                              Junction
                                                                                                          J20




                                                                                                                              J19
                              R- L




                                                                       L- Y




                                                                                               71                      70
                                                                                                                       R- L




                                                                                                                                                                                                  31
                                                                                                                                                                                                          J20
                                                                                                                                                                                                          Junction
                                                                                                                                                                                                          Connector
                                                                                                                                                                                                  42
                                                                                                                                                                                                  W- B




  G- W
                                                                                                                                                                                                  W- B




                                                                                                                                                                                                     IG




180
                                                                                               2005 SIENNA (EWD613U)
         B 6(A), B 7(B), B 8(C), B 9(D)
         Body ECU

 GND2                 GND1                             PBDS         KSW                            HAZ                 BZR
  4                    5                            2 B           21 A                           2 A                 2 C


                                                                                                  G- O
                                                       Y- R




                                                                   L- B




                                                                                                                      G
17 1K   16 1L        1 1R




                                                                                                                                    Junction Connector
                                                                                                                                    J 3(A), J 4(B)
                                                     96            70                            92
 W- B




          W- B




                      W- B




                                                                                                                     13 B
                                                                          J18                            J20
                                                                          Junction                       Junction
                                                                          Connector                      Connector
                                                   106             80                            91
                                                                                                                     30 A
                                                       Y- R




                                                                                                  G- O




                                                  10 ID1
                                                                   L- B




                                                                                                                      G




                                                                                                   8
                                                       Y- R




                                                                                                   EHW




                                                           3                                  T7
                                                                          Unlock Warning SW




                                                                                              Turn Signal Flasher
                                                                    2                                                  1
                                                                                                                                    Keyless Buzzer
                                                   Hatch Door




                                                                                                                           Buzzer
                                   Satellite SW




                                                                          K4




                                                                                                                                    K1




                                                                    1                                                  2
                                   S13




                                                           5
                                                                   W- B




                                                                                                                      W- B




                                                                   21                                                  A
                                                                          J18                                                       J1
                                                                          Junction                                                  Junction
                                                                          Connector                                                 Connector
                                                                    1                                                  A
 W- B




          W- B




                                                                   W- B




                                                                                                                      W- B




             IE                                                                                                          EA




                                                                                                                                                         181
                                                                2005 SIENNA (EWD613U)
Power Back Door
       System Outline
 1. The Main Opening-and-Closing Operations
  (1) By pushing the remote control SW, the automatic opening and closing of the back door can be carried out.
  (2) By pushing the operation SW formed in overhead console, the automatic opening and closing of the back door can be
      carried out.
  (3) Assistant operation:
      By pulling the back door from full open position, the automatic closing of the back door can be carried out.
    The automatic opening (Closing) operation of the back door is possible only when the power back door main SW in the
      instrument panel of driver's seat part in ON.
 2. Consideration of Safety
  (1) The power back door touch sensor is adopted.
      If the power back door touch sensor which is arranged on the end of the back door detect something pinching or
      obstacle during the automatic operation, the door will be reversed in full open direction.
  (2) If something pinching or obstacle in the back door is detected by speed change of the move of the back door during the
      automatic operation, the door will be reversed in opposite direction of the advance direction.
  (3) If the remote control SW or the satellite SW is operated for someone feel danger, etc. during the automatic operation, the
      door will be reversed in opposite direction of the advance direction.


      Service Hints
 Body ECU
   26-Ground : Always approx. 12 volts
   15-Ground : Approx. 12 volts with the ignition SW at ON position
  4, 5-Ground : Always continuity
 P13 (A), P14 (B) Power Back Door ECU
 (A)10, (B) 2-Ground : Always approx. 12 volts
 (A) 9-Ground : Approx. 12 volts with the ignition SW at ON position
 (B) 8-Ground : Always continuity


            : Parts Location
      Code                       See Page                   Code                See Page               Code               See Page
      A9              34                              F12          G   32                                  J41       39
      A21             34                                     J1        33                                  K1        33
 B6          A        34                               J3          A   36                                  K4        36
 B7          B        34                               J4          B   36                                  P1        33
 B8          C        34                              J11          A   36                                  P7        37
 B9          D        34                              J12          B   36                                  P12       39
      B10             38                              J13          A   36                            P13         A   39
      B12             38                              J14          B   36                            P14         B   39
      C10             35                                    J18        36                                  P15       39
      D4              35                                    J19        36                                  P16       39
 E4          A        35                                    J20        36                                  P17       39
 E5          B        35                                    J37        39                                  S13       40
 F6          A        32                                    J40        39                                  T7        37

            : Junction Block and Wire Harness Connector

 Code                 See Page      Junction Block and Wire Harness (Connector Location)
  1C             27                 Engine Room Main Wire and Driver Side J/B (Lower Finish Panel)
  1E             27
  1H             26
                                    Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
  1K
                 27
  1L
  1P             27                 Floor No.1 Wire and Driver Side J/B (Lower Finish Panel)
  1R             27                 Roof Wire and Driver Side J/B (Lower Finish Panel)
  2C             22                 Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)


182
                                                                   2005 SIENNA (EWD613U)
       : Connector Joining Wire Harness and Wire Harness
Code         See Page    Joining Wire Harness and Wire Harness (Connector Location)
IB1     46               Engine Room Main Wire and Floor No.1 Wire (Left Cowl Side Panel)
ID1     46               Roof Wire and Instrument Panel Wire (Near the Driver Side J/B)
 II3    48               Engine Wire and Instrument Panel Wire (Right Kick Panel)
BE1
        50               Floor No 1 Wire and Floor No 1 Wire (Left Rear Quarter Panel)
                               No.1                No.1
BF1
BG1
        52               Back Door No 1 Wire and Floor No 1 Wire (Left Rear Quarter Panel)
                                   No.1                No.1
BG3
BH1     52               Floor No.1 Wire and Floor No.1 Wire (Left Rear Quarter Panel)

       : Ground Points

Code         See Page    Ground Points Location
EA      44               Front Side of the Right Fender Apron
 IE     46               Left Kick Panel
 IG     46               Right Kick Panel
BM      50               Left Rear Quarter Panel
BN      50               Left Side of the Back Door




                                                                                             183
                                                      2005 SIENNA (EWD613U)



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