
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
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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
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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
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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
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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)
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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
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2005 SIENNA (EWD613U)