
DI-657
DIAGNOSTICS - BODY CONTROL SYSTEM
DI6LP-03
Door courtesy switch circuit
CIRCUIT DESCRIPTION
The door courtesy switch goes on when the door is opened and goes off when door is closed.
WIRING DIAGRAM
J18 Body ECU
Junction (Integration Relay)
Connector
5 9 6 2
G-W G-W G-W G-W G-W
BD1 BB1 IC2 I16 BCTY
(*1) F F (*1)
2 B6
Back Door
Courtesy 3 10 2
R-G R-G
SW 3B 3A 1V PCTY
1 4
II2 3
R-G 7
1S DCTY
6
W-B 17 R-Y 1
3D I13 SCTY
(*2)
R-G 17 15 18
R-Y
3D 3D IC2
(*2)
R-Y
(*2)
R-Y R-Y R-Y
(*1) A A (*1) 8
A R-Y
A A22 I16 SCTY
3 (*1)
Junction
Connector II4 R-Y
1 S11
Slide Door
Courtesy
1 1 D16 SW RH 1
D17
Door Door S10
BN Courtesy Courtesy Slide Door
SW SW Courtesy
Front RH Front LH SW LH
(*1) w/ Door Lock Control
(*2) w/o Door Lock Control I18881
2001 SIENNA (RM787U)
Author : Date : 811
DI-658
DIAGNOSTICS - BODY CONTROL SYSTEM
INSPECTION PROCEDURE
1 Check operation of door courtesy light.
CHECK:
Check that door courtesy light comes on when door opened, and goes off when door is closed.
OK:
Must be operated normally.
OK Proceed to next circuit inspection shown on
problem symptom table (See page DI-636 ).
NG
2 Check courtesy switch (See page BE-31 ).
NG Replace the courtesy switch.
OK
3 Check wireharness and connector between courtesy light and body ECU, courte-
sy switch and body door ECU (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 : 812