I21971
Body ECU
IG
J/B No. 1
W–B
W–B
1
2
B6
Buckle SW
LG–B
LG–B
1
2
16
18
3F
3F
3A
3A
J/B No. 3
1L
3
DI–804
–
DIAGNOSTICS
BODY CONTROL SYSTEM
1066
Author:
Date:
2003 TOYOTA TACOMA (RM1002U)
Driver buckle switch circuit
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
In case of using a hand–held tester, start the inspection from step 1, and in case of not using a hand–held
tester, start it from step 2.
1
Check driver buckle switch using hand–held tester.
PREPARATION:
Connect a hand–held tester to the DLC 3.
CHECK:
Check the driver buckle switch, using DATA LIST.
OK
Proceed to next circuit inspection shown on
problem symptoms table. (See page DI–773)
NG
DI7U0–04
–
DIAGNOSTICS
BODY CONTROL SYSTEM
DI–805
1067
Author:
Date:
2003 TOYOTA TACOMA (RM1002U)
2
Check driver buckle switch. (See page BE–39)
NG
Replace the driver buckle switch.
OK
3
Check wire harness and connector between driver buckle switch and body
ground.
NG
Repair or replace wire harness or connector.
OK
Proceed to next circuit inspection shown on
problem symptoms table.
(See page DI–773)