Toyota Corolla (E120): Inspection procedure

Hint

: read freeze frame data using the hand–held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air–fuel ratio was lean or rich, etc. At the time of the malfunction.

1 Check valve timing(check for loose and jumped tooth of timing chain)

Replace ecm

Replace ecm

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    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 ...

    Parking brake
    Operating instructions 1 To set the parking brake, fully pull the parking brake lever while depressing the brake pedal. 2 To release the parking brake, slightly raise the lever and lower it completely while pressing the button. *1: For U.S.A. *2: For Canada ■Parking brake engaged wa ...

    Warning lights
    Warning lights inform the driver of malfunctions in the indicated vehicle’s systems. *1: Vehicles without a smart key system: These lights turn on when the engine switch is turned to the “ON” position to indicate that a system check is being performed. They will turn off after the engi ...