Toyota T100 1996 Service Manual page 1853

BE−18
2 1
3
4
Wire Harness Side
1 2
3 4
11 1213
9 10
1996 TOYOTA T100 (RM449U)
BODY ELECTRICAL
2 1
3
4
Z08523
N15399
N15400
N15773
5 6 7 8
14 15 16
17 18
N06230
− HEADLIGHT AND TAILLIGHT SYSTEM
4. INSPECT HEADLIGHT DIMMER RELAY CONTINUITY
Condition
Constant
Apply B+ between
terminals 2 and 4.
If continuity is not as specified, replace the relay.
5. INSPECT DOOR COURTESY SWITCH
(See page BE−25)
6. Light−On Warning System:
INSPECT INTEGRATION RELAY OPERATION
(a) Connect the positive (+) lead from the battery to terminal
2 and 11.
(b) Connect the negative (−) lead from the battery to terminal
7 and 10.
(c) Check the buzzer sounds.
(d) Disconnect the positive (+) lead from the battery to termi-
nal 2.
(e) Check that the buzzer stops sounding.
(f) Connect the positive (+) lead from the battery to terminal
2.
(g) Disconnect the negative (−) lead from the battery to termi-
nal 10.
(h) Check that the buzzer stops sounding.
If operation is not as specified, replace the relay.
7. Connector Disconnected:
INSPECT DAYTIME RUNNING LIGHT RELAY CIRCUIT
Disconnect the connector from the relay and inspect the con-
nector on the wire harness side.
Tester connection Specified condition
1 − 4
2 − 4
3 − 4
Continuity
Continuity