Toyota Corolla (E120): Inspection procedure

1 Check un–lock warning switch assy

  1. Disconnect the key unlock warning switch connector.
  2.  check the continuity between the terminals of the key unlock warning switch connector, as shown in the illustration and table.

Standard:

2 Check wire harness (tvip ecu unlock warning switch)

2 Check wire harness (tvip ecu unlock warning switch)

  1. Disconnect the tvip ecu and key unlock warning switch connectors.
  2.  check the continuity between the terminals of the tvip ecu connectors and unlock warning switch connector, as shown in the illustration and table.

Standard:

3 Check wire harness (key unlock warning switch body ground)

3 Check wire harness (key unlock warning switch body ground)

  1. Disconnect the key unlock warning switch connector.
  2.  check the continuity between the terminal of the key unlock warning switch connector and the body ground, as shown in the illustration and table.

Standard:

Check and replace tvip ecu

Check and replace tvip ecu

    Share this page:

    Other materials:

    Pre–check
    1. Diagnosis system Release the parking brake lever.  check the warning lights. When the ignition switch is turned on, check that the abs warning light and brake warning light goes on for 3 sec. Hint: when the parking brake is applied or the level of the brake fluid is low, the ...

    Towing your vehicle with 4 wheels on the ground
    To prevent damage to your vehicle, perform the following procedures before towing. 1 Shift the shift lever to N. 2 Turn the engine switch to the “ACC” position (without a smart key system) or ACCESSORY mode (with a smart key system). (, 166) Ensure that the audio system and other powered de ...

    On–vehicle inspection
    1. Inspect speedometer  check the operation. Using a speedometer tester, inspect the speedometer fro allowable indication error and check the operation of the odometer. Reference: Notice: tire wear and tire over or under inflation will increase the indication error. ...