Toyota Corolla (E120): On–vehicle inspection

1. Inspect brake booster

  1. Airtightness check.
  1.  Start the engine and stop it after 1 or 2 minutes. Depress the brake pedal several times slowly.

    Hint

    : if the pedal goes down farthest at the 1st time, but gradually rises after the 2nd or 3rd time, the booster is airtight.

  2.  Depress the brake pedal while the engine is running, and stop the engine with the pedal depressed.

    Hint

    : if there is no change in the pedal reserve distance after holding the pedal for 30 seconds, the booster is airtight.

  1. Operating check.
  1.  Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance.
  2.  Depress the brake pedal and start the engine.

    Hint

    : if the pedal goes down slightly, operation is normal.

2. Inspect vacuum check valve

  1.  check vacuum check valve.
  1. Slide the clip and disconnect the vacuum hose.
  2. Remove the vacuum check valve.

  1. Check that there is ventilation from the booster to engine, and no ventilation from the engine to the booster.
  2.  If any fault is found, replace the vacuum check valve.
    Share this page:

    Other materials:

    Check dlc3
    The vehicle’s ecm uses the iso 9141–2 for communication protocol. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 9141–2 format. Hint: if the display shows unable to connect to vehicle when you have connected the cable of the obd ii scan tool or the h ...

    Inspection procedure
    1 Prepare for inspection Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  remove the horn button assy .  disconnect the connector of the instrument panel passenger airbag assy .  disconnect the connector of the front sea ...

    Adjustment
    1. Remove rear wheel 2. Adjust rear drum brake shoe clearance 3. Install rear wheel torque: 103 nvm (1,050 Kgf·cm, 76 ft·lbf) 4. Inspect parking brake lever travel  pull the parking brake lever to the fully applied position, and count the number of clicks. Parking brake lever tr ...