Toyota T100 1996 Service Manual page 700

DI−436
3 Check voltage between terminal STP− of cruise control ECU connector and
body ground.
ON
(−)
AB0119
I00015
NG
4 Check for open in harness and connectors between terminal STP− of cruise con-
trol ECU and stop light switch (See page IN−16).
OK
Check and replace cruise control ECU (See
page IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
STP−
(+)
I00024
− CRUISE CONTROL SYSTEM
PREPARATION:
(a) Remove the ECU with connectors still connected.
(b) Turn ignition switch ON.
CHECK:
Measure voltage between terminal STP− of cruise control ECU
connector and body ground, when the brake pedal is de-
pressed and released.
OK:
Depressed
Released
OK Proceed to next circuit inspection shown in
problem symptoms table (See page DI−419).
NG Repair or replace harness or connector.
10 − 16 V
Below 1 V