
Back Door Opener without Power Back Door
From Power Source System (See Page 58)
DOOR
OFF
ON
10A 7. 5A 10A
ECU- B ECU ECU- IG
ACC I16
Interior Light SW
RCTY E RLY
8 2C 6 7 9
W- B
G
39 119
W- L
J19 100 R- W
Junction
R- W
LG
Connector
17 110 J19
Junction
Connector
R- W
G
24 1C
Dome Cut Relay
26 22 15 9 B 5 1 5 A
J11(A), J12(B)
BECU ACC IG RCUT Junction
Connector
B 6(A), B 7(B)
Body ECU
D3
21 B
GND1 GND2 BDSU BCTY TR+
3 2
5 4 3 B 25 B 1 A
R- W
G- W
W- B
G- B
16 1L 17 1K
L- B
R
6 BE1
23 A 10 A 16 A
J13(A), J14(B)
J13(A), J14(B)
R- W
Connector
Connector
J37
Junction
Junction
Junction
7 B 26 B 32 B 24 Connector
G- W
G- B
L- B
25 26
R- W
R- W
Slide Door Courtesy
Compartment Light
12 BG1 13 BG1 2 BG1
2 2
Luggage
Light LH
G- W
G- B
L- B
S26
Back Door Opener SW
1 1 L4
1 6 3
W- B
W- B
R
R
Back Door Lock Assembly
B12
28 29
W- B
W- B
2
M
J37 27
Junction
B11
A A Connector
R
5 1
J16 A
Junction
Connector R
W- B
W- B
W- B
R
W- B
Connector
A A
Junction
A
J41
IE BN IG
184
2005 SIENNA (EWD613U)
From Power Source System (See Page 58)
10A
DOME
3 2C
R
R- W 27 1C
R- W
13 1L 16 1P
5 A
J31(A), J32(B)
Junction
R
R
Connector
13 B
R- W
2
S27
Slide Door Courtesy
Light RH
1
R
14 B
J31(A), J32(B)
Junction
Connector
6 A
R
R
91 51
111 J19
Junction
Connector
R
R
R
185
2005 SIENNA (EWD613U)
Back Door Opener without Power Back Door
Service Hints
Body ECU
26-Ground : Always approx. 12 volts
15-Ground : Approx. 12 volts with the ignition SW at ON position
22-Ground : Approx. 12 volts with the ignition SW at ACC or ON position
4, 5-Ground : Always continuity
: Parts Location
Code See Page Code See Page Code See Page
B6 A 34 J12 B 36 J37 39
B7 B 34 J13 A 36 J41 39
B11 38 J14 B 36 L4 39
B12 38 J16 36 S26 40
D3 35 J19 36 S27 40
I16 35 J31 A 36
J11 A 36 J32 B 36
: 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)
1K
27 Instrument Panel Wire and Driver Side J/B (Lower Finish Panel)
1L
1P 27 Floor No.1 Wire and Driver Side J/B (Lower Finish Panel)
2C 22 Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
: Connector Joining Wire Harness and Wire Harness
Code See Page Joining Wire Harness and Wire Harness (Connector Location)
BE1 50 Floor No.1 Wire and Floor No.1 Wire (Left Rear Quarter Panel)
BG1 52 Back Door No.1 Wire and Floor No.1 Wire (Left Rear Quarter Panel)
: Ground Points
Code See Page Ground Points Location
IE 46 Left Kick Panel
IG 46 Right Kick Panel
BN 50 Left Side of the Back Door
186
2005 SIENNA (EWD613U)
Memo
187
2005 SIENNA (EWD613U)