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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    Wireless remote control/electronic key battery
    Replace the battery with a new one if it is depleted. You will need the following items: ● Flathead screwdriver ● Small flathead screwdriver ● Lithium battery CR2016 (vehicles without a smart key system), or CR2032 (vehicles with a smart key system) Replacing the battery &# ...

    Inspection
    1. Headlamp dimmer switch assy Inspect light control switch continuity.  Measure the resistance according to the value(s) in the table below. Standard: Inspect headlight dimmer switch continuity.  Measure the resistance according to the value(s) in the tabl ...

    Using the steering wheel switches
    The steering wheel switches can be used to operate a connected cellular phone. Operating a telephone using the steering wheel switches ■ Steering wheel switches on the right hand side 1 Off hook switch • Make a call • Receive a call • Display “Phone” screen 2 On hook switch ...