Toyota Corolla (E120): Inspection procedure

1 Check security indicator light

  1. Remove the security indicator.
  2.  check the indicator light, as shown in the illustration and table.

Standard:

2 Check wire harness (tvip ecu  security indicator)

2 Check wire harness (tvip ecu  security indicator)

  1. Disconnect the tvip ecu and security indicator connectors.
  2.  check the continuity between the terminals of the tvip ecu connector and security indicator connector, as shown in the illustration and table.

Standard:

3 Check wire harness (security indicator  body ground)

3 Check wire harness (security indicator  body ground)

  1. Disconnect the security indicator connector.
  2.  check the continuity between the terminal of the security indicator connector and body ground, as shown in the illustration and table.

Standard:

Check and replace tvip ecu

Check and replace tvip ecu

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    Circuit description
    The purpose of this circuit is to prevent the engine from stalling while driving in lock–up condition, when brakes are suddenly applied. When the brake pedal is depressed, this switch sends a signals to the ecm. Then the ecm cancels the operation of the lock–up clutch while braking is i ...

    How to proceed with troubleshooting
    Troubleshoot in accordance with the procedure on the following pages. 1 Vehicle brought to workshop 2 Customer problem analysis check and symptom check Without applicable symptoms, proceed to ”a”.  with applicable symptoms, proceed to ”b”. 3 Symptom simulation 4 Prob ...

    Safety Connect
    *: If equipped Safety Connect is a subscription- based telematics service that uses Global Positioning System (GPS) data and embedded cellular technology to provide safety and security features to subscribers. Safety Connect is supported by Toyota's designated response center, which operates 24 hour ...