Toyota Corolla (E120): Adjustment

1. Inspect park/neutral position switch assy

  1.  apply the parking brake and turn the ignition switch on.
  2.  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.
  3.  check that the back–up light comes on and the reverse warning buzzer sounds only when the shift lever is set in r position and these do not function in the other positions.

    If a failure is found, check the park/ neutral position switch for continuity.

2. Adjust park/neutral position switch assy

  1. Loosen the 2 bolts of park/ neutral position switch and set the shift lever to the n position.
  2.  align the groove and neutral basic line.
  3.  hold the switch in position and tighten the 2 bolts.

    Torque: 5.5 Nvm (56 Kgf·cm, 49 in.Vlbf)

  4.  after adjustment, perform the inspection described in step 1.
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    Circuit description
    When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm. This signal causes current to flow to the coil, closing the contacts of the efi relay and supplyin ...

    System description
    The ecm uses signals from the vehicle speed sensor and crankshaft position sensor to detect the actual gear position (1st, 2nd, 3rd or o/d gear). Then the ecm compares the actual gear with the shift schedule in the ecm memory to detect the mechanical trouble of the shift solenoid valves, th ...

    Inspection procedure
    1 Check wire harness(airbag sensor assy center – front seat inner belt assy lh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the front seat inner belt assy ( ...