Toyota Corolla (E120): Circuit description

The key unlock warning switch comes on when the ignition key is inserted in the key cylinder and goes off when the ignition key is removed.

Wiring diagram

Inspection procedure

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    Inspection procedure
    1 Inspect transmission wire(s1) Disconnect the transmission wire connector from the transaxle.  measure the resistance according to the value(s) in the table below. Standard: 2 Check harness and connector(transmission wire – ecm) Connect the transmission connec ...

    Side mudguard sub–assy lh
    Replacement Hint: use the same procedures for the rh side and lh side. 1. Remove side mudguard sub–assy lh Using a clip remover, remove the 8 retainers and 9 clips.  using a moulding remover, remove the mudguard. 2. Install side mudguard sub–assy lh Install the mudgu ...

    Dtc check/clear
    Notice: if there is no dtc in the normal mode, check the pending fault code using the continuous test results function (mode 7 for sae j1979) on the obd ii scan tool or the hand–held tester. Hand–held tester only: when the diagnosis system is switched from the normal mode to the ...