Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Ecu power source circuit
Toyota Corolla (E120): Ecu power source circuit
Other materials:
Key confinement prevention function does not work
properly (unlock warning switch circuit)
Circuit description
The unlock warning switch turns on when the key is inserted in the ignition
key cylinder and the door courtesy
switch turns on when the driver’s door is opened, and the integration relay
monitors both switches conditions.
According to these switches conditions, the int ...
Inspection procedure
1 Inspect cruise control actuator assy
Inspect the cruise control actuator arm locking operation.
Turn the ignition switch to off.
Disconnect the cruise control actuator assy connector.
Connect the positive (+) lead from the battery to the
terminal 3 (l) of crui ...
On–vehicle inspection
1. Check basic function (manual operation function)
turn the ignition switch on.
Check that the door glass moves up when each window switch of the
regulator master switch
assembly is turned up and moves down when each window switch is turned down.
Check that the do ...


