Toyota Corolla (E120): Inspection procedure

1 Check security indicator light

  1. Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered.

2 Check glass breakage sensor ecu (glass breakage sensor)

2 Check glass breakage sensor ecu (glass breakage sensor)

  1. Check the continuity and voltage of the glass breakage sensor ecu, as shown in the illustration and table.

Standard:

3 Check wire harness (tvip ecu  glass breakage sensor ecu)

3 Check wire harness (tvip ecu  glass breakage sensor ecu)

  1. Disconnect the tvip ecu and glass breakage sensor ecu connectors.
  2.  check the continuity and between the connectors on the harness side, as shown in the illustration and table.

Standard:

4 Check wire harness (glass breakage sensor ecu  body ground)

4 Check wire harness (glass breakage sensor ecu  body ground)

  1. Disconnect the glass breakage sensor ecu connector.
  2.  check the continuity between the terminal of the glass breakage sensor ecu 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:

    Inspection procedure
    Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the active te ...

    Deactivating or stopping the alarm
    Do one of the following to deactivate or stop the alarm: ● Unlock the doors or open the trunk. ● Vehicles without a smart key system: Turn the engine switch to the “ACC” or “ON” position, or start the engine. (The alarm will be deactivated or stopped after a few seconds.) & ...

    Shift solenoid ”a” performance (shift solenoid valve s1)
    Dtc p0751 shift solenoid ”a” performance (shift solenoid valve s1) 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 sc ...