Toyota Corolla (E120): Diagnostic trouble code chart

The inspection procedures are shown in the table below. This table allows efficient and accurate troubleshooting using the diagnostic trouble codes displayed in the diagnostic trouble code chart. Proceed with troubleshooting in accordance with the inspection procedures listed in the diagnostic chart corresponding to the diagnostic trouble codes displayed. The diagnostic trouble code chart for the supplemental restraint system is shown below as an example.

Problem symptoms table

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    Locking the doors from the outside without a key
    1 Move the inside lock button to the lock position. 2 Close the door. ► Vehicles without a smart key system The door cannot be locked if either of the front doors is open and the key is in the engine switch. ► Vehicles with a smart key system The door cannot be locked if the engin ...

    Rear view monitor system
    The rear view monitor system assists the driver by displaying guide lines and an image of the view behind the vehicle while backing up, for example while parking. The screen illustrations used in this text are intended as examples, and may differ from the image that is actually displayed on t ...

    Inspection procedure
    1 Inspect dlc3 terminal voltage Turn the ignition switch to on.  measure voltage between terminals 13 (tc) and 4 (cg) of dlc3. Ok: voltage: 10 – 16 v 2 Check harness and connector(between cruise control ecu assy and dlc3) Check for open and short circuit in harness ...