Toyota Corolla (E120): Problem symptoms table
Hint
: use the table below to help determine the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.
1. Headlamp and tail lamp

2. Front fog lamp system

3. Turn signal and hazard warning system

4. Stop lamp system

5. Back up lamp system

6. Interior lamp system

7. Light control rheostat system

Other materials:
Inspection procedure
1 Check courtesy lamp switch
Check the courtesy switch, as shown in the illustration
and table.
Standard:
2 Check wire harness (integration relay door courtesy sw)
Disconnect the integration relay and door courtesy connectors.
check the continuity between th ...
Circuit description
When the idle switch is turned on, a signal is sent to the cruise control ecu
assy. The cruise control ecu
assy uses this signal to correct the discrepancy between the throttle valve
position and the actuator position
sensor values to enable accurate cruise control at the set speed. If the idl ...
On–vehicle inspection
1. Check fuel pump operation
Connect the hand–held tester to the dlc3.
turn the ignition switch on and hand–held tester main
switch on.
Notice:
do not start the engine.
select the active test mode on the hand–held tester.
please refer to the hand–held te ...


