Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 bcsy ciillumi
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DI-659
DIAGNOSTICS - BODY CONTROL SYSTEM
DI8AK-01
Illumination circuit
CIRCUIT DESCRIPTION
Receiving the courtesy signal from either of the door ECU, the Body ECU will make the interior light, ignition
light, and foot light come on.
2001 SIENNA (RM787U)
Author : Date : 813
DI-660
DIAGNOSTICS - BODY CONTROL SYSTEM
WIRING DIAGRAM
J/B NO.3 R Body ECU
(Integration Relay)
7 18 R(*2)
3D 3D
R-B
I15 2
1
Interior Light NO.2 1M B
R(*2)
ON
A R-B OFF
R 2 G-B
A A DOOR
1
J18 J/C R-B
I14 Interior Light NO.1
Driver Side J/B NO.1 A
(*4) ON
3 10 R-B OFF
1W 1V 2 R-W (*4,*7) B
DOOR
1
C
R-W R-B
Engine Room D6 Personal Light
J/B NO.2 ON R-W (*4,*7)
(*4)
2J 12 R-B OFF 2 1F 4
3 W-B (*4)
DOOR 1
(*3)
D6 Personal Light R-W
DOME (*3) 1R 2
R-B
(*3) G-B (*2)
2 R-W
(*3) 2 (*3) 3A 16
SHOT R-B W-B G-B
PIN (*1)
3 1
1
(*3) I14 Interior Light NO.1 W-B 3A 6
R-B
2B 3
(*3) G-B (*2)
2
R-W D
(*3) 2 (*3) D25
W R-B W-B DIODE
3 1 3 G-W (*1)
E
(*3)
B-L R-B V6 Vanity Light RH
(*3) W-B (*5)
(*3)
R-B W-B
FL 1 2 W-B (*5)
MAIN (*3) W-B
R-B V5 Vanity Light LH Driver Side J/B NO.1
(*3) 3 4 (*6)
W-B W-B
IF IV
1 2 (*6)
W-B
Battery (*1);w/ Door Lock contorol IG BL
(*5);w/ Moon Roof
(*2);w/o Door Lock contorol (*6);w/o Moon Roof
(*3);w/ Vanity Light (*7);Fade out Type
(*4);w/o Vanity Light
I18640
2001 SIENNA (RM787U)
Author : Date : 814
DI-661
DIAGNOSTICS - BODY CONTROL SYSTEM
GR (*1)
J17 I17 Ignition Key
J/C Cylinder Light 13
R (*2) R-B R-B I13 DOUT
A B B 2 1 R-W
1 1W 7 1V 1 1M
R-B 2
B LP
5 1F 9 1S 2 1F
(*7)
R-W R-W
C
R-B
L2
Luggage
D13 Compartment Light
DIODE 9 5
R-Y G-W G-W BD1
BB1
2 3 1 2
(*2) D10 DIODE
G-B G-W
D G-W B6
2 1 Back Door
J18 J22
Courtesy SW J/C
(*1) J/C (*1) 6 W-B
G-W G-W
E IC2
F F 2 1 A
BN
(*1) w/ Door Lock Control (*4) w/o Vanity Light (*7) Fade Out Type
(*2) w/o Door Lock Control (*5) w/ Moon Roof
(*3) w/ Vanity Light (*6) w/o Moon Roof
I18641
2001 SIENNA (RM787U)
Author : Date : 815
DI-662
DIAGNOSTICS - BODY CONTROL SYSTEM
INSPECTION PROCEDURE
1 Check illumination light (Interior light system)(See page BE-31 ).
NG Replace the failure light.
OK
2 Check wireharness and connector between each illumination light and Body
ECU, battery and each illumination light (See page IN-31 ).
NG Repair or replace wireharness or connector.
OK
Proceed to next circuit inspection shown on
problem symptoms table
(See page DI-636 ).
2001 SIENNA (RM787U)
Author : Date : 816
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