Toyota Celica 2005 Repair Manual page 1252

INSPECTION PROCEDURE
1 Check resistance between terminals MO and MC of actuator motor.
2
I00004
OK
2 Check for open and short in harness and connectors between cruise control
ECU and actuator motor (See page IN−30).
OK
Check and replace cruise control ECU (See
page IN−30).
2005 CELICA (RM1131U)
DIAGNOSTICS
PREPARATION:
(a) Turn ignition switch OFF.
(b) Disconnect the actuator connector.
CHECK:
1
Measure the resistance between terminal 1 and 2.
HINT:
If the control plate is in fully opened or fully closed positions, the
resistance cannot be measured.
OK:
I00151
Resistance: more than 4.2 Ω
NG
NG
− CRUISE CONTROL SYSTEM (1ZZ−FE)
Replace cruise control actuator.
Repair or replace harness or connector.
1251
DI−1051