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:
Circuit description
Monitor description
The ecm commands gearshift by turning the shift solenoid valves ”on/off”.
When there is an open or short
circuit in any shift solenoid valve circuit, the ecm detects the problem and the
mil comes on. Illuminating
the mil, the ecm performs the fail–safe and turns ...
Using the steering wheel switches
The steering wheel switches can be used to operate a connected cellular phone.
Operating a telephone using the steering wheel switches
■ Steering wheel switches on the right hand side
1 Off hook switch
• Make a call
• Receive a call
• Display “Phone” screen
2 On hook switch
...
If a warning message is displayed
The multi-information display
shows warnings for
system malfunctions and
incorrectly performed operations,
and messages that
indicate a need for maintenance.
When a message is
displayed, perform the
appropriate corrective
action for the message.
If a warning message is displayed
again after the
ap ...


