Toyota Corolla (E120) 2002–2008 Repair Manual / Vehicle control system
Toyota Corolla (E120): Vehicle control system
Ignition or starter switch assy
Replacement
1. Remove steering column cover
2. Remove ignition or starter switch assy

- Disconnect the ignition switch connector and unlock warning switch connector.
- remove the 2 clamps.
- remove the 2 screws and ignition switch.
Inspection
1. Inspect ignition or starter switch assy

- Inspect the ignition switch.
Standard:

If the continuity is not as specified, replace the switch.
Other materials:
Starting the engine
1 Check that the parking brake is set.
► Vehicles without a multi-information display
2 Continuously variable transmission: Check that the shift lever is set in P.
Firmly depress the brake pedal.
Manual transmission: Check that the shift lever is set in N. Firmly depress the
clutch peda ...
Inspection procedure
Hint:
troubleshoot each trouble symptom in accordance with the chart below.
1 Clear dtc
Connect the hand–held tester or the obd ii scan tool to the dlc 3.
turn the ignition switch on and push the hand–held tester or the
obd ii scan tool main switch on.
read the dtc . ...
Inspection procedure
1 Inspect dlc3 terminal voltage
Turn the ignition switch to on.
measure voltage between terminals 13 (tc) and 4 (cg) of
dlc3.
Ok:
voltage: 10 – 16 v
2 Check harness and connector(between cruise control ecu assy
and dlc3)
Check for open and short circuit in harness ...


