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

Inspection procedure

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    Radiator assy
    Replacement 1. Drain coolant 2. Separate radiator hose inlet 3. Separate radiator hose outlet 4. Separate oil cooler inlet tube no.1 5. Separate oil cooler outlet tube no.1 6. Remove radiator assy  disconnect the fan motor connector.  disconnect two clamps for wire–harness fr ...

    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 ...

    What to do if... (Troubleshooting)
    If you have a problem, check the following before contacting your Toyota dealer. The doors cannot be locked, unlocked, opened or closed You lose your keys ● If you lose your keys or mechanical keys, new genuine keys or mechanical keys can be made by your Toyota dealer. ● If you lo ...