Toyota Corolla (E120): Components

Replacement

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    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 ...

    Source voltage drop
    The srs is equipped with a voltage–increase circuit (dc–dc converter) in the airbag sensor assy center in case the source voltage drops. When the battery voltage drops, the voltage–increase circuit (dc–dc converter) functions to increase the voltage of the srs to normal voltage. ...

    Inspection procedure
    1 Check courtesy lamp switch Check the courtesy switch, as shown in the illustration and table. Standard: 2 Check wire harness (integration relay  door courtesy sw) Disconnect the integration relay and door courtesy connectors.  check the continuity between th ...