Toyota Celica 2005 Repair Manual page 1280

3 Inspect clutch switch.
OK
4 Check voltage between terminal D of cruise control ECU and body ground.
ON
(−) (+)
AB0119
I00139
NG
5 Check for open in harness and connector between ECU and C/C ECU−IG fuse
(See page IN−30).
OK
Check and replace cruise control ECU (See
page IN−30).
2005 CELICA (RM1131U)
DIAGNOSTICS
NG
PREPARATION:
Turn the ignition switch ON.
CHECK:
D Measure the voltage between terminal D of the cruise control
ECU connector and body ground when clutch pedal is de-
pressed and pushed in.
OK:
OK
I00175
NG
− CRUISE CONTROL SYSTEM (1ZZ−FE)
Replace clutch switch
Condition
Clutch pedal depressed
Clutch pedal pushed in
Proceed to next circuit inspection shown in
problem symptom table (See page DI−1048).
Repair or replace harness or connector.
1279
DI−1079
Voltage
10 − 14 V
Below 1 V