Toyota Corolla (E120): Inspection

1. Inspect defogger relay (marking: def)

  1. Remove the defogger relay from the instrument panel j/b.
  2.  inspect the defogger relay.

Standard:

If the result is not as specified, replace the relay

If the result is not as specified, replace the relay

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    Adjustment
    1. Inspect park/neutral position switch assy  apply the parking brake and turn the ignition switch on.  depress the brake pedal and check that the engine starts only when the shift lever is set in n or p position and it does not start in the other position.  check that th ...

    Components
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    Key confinement prevention function does not work properly (unlock warning switch circuit)
    Circuit description The unlock warning switch turns on when the key is inserted in the ignition key cylinder and the door courtesy switch turns on when the driver’s door is opened, and the integration relay monitors both switches conditions. According to these switches conditions, the int ...