Main Switch Circuit - Toyota T100 1996 Service Manual

DI−454

Main Switch Circuit

CIRCUIT DESCRIPTION
When the cruise control main switch is turned OFF, the cruise control does not operate.
WIRING DIAGRAM
See page DI−431.
INSPECTION PROCEDURE
1 Check voltage between terminal CMS of cruise control ECU connector and body
ground.
NG
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − CRUISE CONTROL SYSTEM
PREPARATION:
(a) Remove the ECU with connector still connected.
(b) Turn ignition switch ON.
CHECK:
Measure voltage between terminal CMS of cruise control ECU
connector when main switch is held ON and OFF.
OK:
Main switch
I22836
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI−419).
OFF
ON
DI35C−02
Voltage
10 − 16 V
Below 1 V