Toyota T100 1996 Service Manual page 574

DI−310
2 Check voltage between terminal OD of cruise control ECU harness side
connector and body ground.
NG
3 Check harness and connector between cruise control ECU and ECM
(See page IN−26).
OK
Check and replace ECM.
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − AUTOMATIC TRANSMISSION
PREPARATION:
(a) Disconnect the cruise control ECU connector.
(b) Turn the ignition switch ON.
CHECK:
Measure voltage between terminal OD of cruise control ECU
harness side connector and body ground.
OK:
Voltage: 4 − 6 V
D10999
OK Check and replace cruise control ECU.
NG Repair or replace harness or connector.