Toyota Corolla (E120): Circuit description
The integration relay receives a switch signal from the master switch, door lock control switch or the driver’s door key and then drives the door lock motor.
Wiring diagram

Other materials:
Inside vehicle
General maintenance
Performing these maintenance checks on the vehicle in the owner’s
responsibility. The owner may
perform the maintenance or take the vehicle to a service center.
Check the parts of the vehicle described below on a daily basis. In most cases,
special tool are not
requir ...
Replacement
1. Drain engine oil
remove the oil pan drain plug and drain the engine oil.
2. Removal & installation chain sub–assy
3. Remove chain vibration damper no.1
remove 2 bolts and chain vibration damper no. 1.
4. Remove oil pump assy
Remove the 5 bolts.
rem ...
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 ...


