Toyota Corolla (E120): Terminals of ecu

1. Radio receiver assy

Problem symptoms table

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    Inspection procedure
    1 Check side squib(lh) circuit(airbag sensor assy center – front seat airbag assy lh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the front seat airbag assy ...

    Using the steering wheel switches
    The steering wheel switches can be used to operate a connected cellular phone or portable digital audio player (portable player). Operating a Bluetooth® phone using the steering wheel switches 1 Volume The voice guidance volume cannot be adjusted using these buttons. 2 Off-hook switch Turns ...

    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 ...