Toyota Corolla (E120): Replacement

Hint

: components:

1. Precaution

2. Disconnect battery negative terminal

3. Remove horn button assy

  1. Place the front wheels facing straight ahead.
  2.  using a torx socket wrench (t30), loosen the 2 torx screws until the groove along the screw circumference catches on the screw case.

  1. Pull out the horn button assy from the steering wheel assy.
  2.  using a screwdriver, release the lock part of each airbag connector and disconnect the 2 airbag connectors.

4. Inspect horn button assy

5. Install horn button assy

  1.  connect the airbag connectors and horn connector.
  2.  install the horn button assy after confirming that the circumference groove of the torx screws is caught on the screw case.
  3.  using a torx socket wrench (t 30), install the 2 screws.

    Torque: 8.8 Nvm (90 kgfvcm, 78 in.Vlbf)

6. Inspect srs warning light

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    Inspection procedure


    Hand–held tester: 1 Check operation of stop light Check if the stop lights go on and off normally when the brake pedal is depressed and released. 2 Inspect stop light switch assy Check the resistance between the terminals when the switch is turned on and off. Standard: ...

    Circuit description
    The crankshaft position sensor (ne signal) consists of a magnet, iron core and pickup coil. The ne signal plate (crankshaft position sensor plate) has 34 teeth and is installed on the crankshaft. The ne signal sensor generates 34 signals for each engine revolution. This sensor monitors a p ...

    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 ...