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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    General information
    There are many ecu controlled systems used in the corolla. In general, ecu controlled system are considered to be very intricate and require a high level of technical knowledge and expert skill to troubleshoot. The fact is, however, that if you proceed by inspecting the circuits one by one, ...

    Overhaul
    Notice: when using a vise, do not over tighten. When installing, coat the parts indicated by the arrows with power steering fluid . 1. Remove front wheel rh 2. Drain power steering fluid 3. Remove engine under cover rh 4. Remove fan and generator v belt 5. Disconnect oil reservoir to ...

    Inspection procedure
    Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...