Toyota Corolla (E120): Circuit description

The door courtesy switch turns on when the door is opened and off when the door is closed.

Wiring diagram

Inspection procedure

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    Precaution
    1. Notices when checking  power door lock/unlock function: the wireless remote control function operates only when the following 3 conditions are met.  No key is inserted into the ignition key cylinder.  All the doors are closed. However, doors can be unlocked even wh ...

    Emergency flashers
    The emergency flashers are used to warn other drivers when the vehicle has to be stopped in the road due to a breakdown, etc. Press the switch. All the turn signal lights will flash. To turn them off, press the switch once again. ■Emergency flashers If the emergency flashers are used ...

    How to proceed with troubleshooting
    1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtcs and freeze frame data 4 Problem symptom confirmation Symptom does not occur: go to step 5 Symptom occurs: go to step 6 5 Symptom simulation 6 Dtc check There is no output: go to step 7 There is outp ...