Toyota Corolla (E120): Circuit description

Circuit description

Wiring diagram

Wiring diagram

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    If a warning message is displayed
    The multi-information display shows warnings for system malfunctions and incorrectly performed operations, and messages that indicate a need for maintenance. When a message is displayed, perform the appropriate corrective action for the message. If a warning message is displayed again after the ap ...

    Inspection procedure
    1 Check p squib circuit(airbag sensor assy center – instrument panel passenger airbag assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connector between the airbag sensor assy center and the instrument panel ...

    Circuit description
    The rear heated oxygen sensor is used to monitor oxygen concentration in the exhaust gas. For optimum catalytic converter operation, the air fuel mixture must be maintained near the ideal ”stoichiometric” ratio. The heated oxygen sensor output voltage changes suddenly in the vicinity of ...