Toyota Corolla (E120): Diagnostic trouble code chart

Hint

: as for the vehicle for mexico, refer to repair manual 2003 corolla (pub. No. Rm938u).

Parameters listed in the chart may not be exactly the same as your readings due to the type of instrument or other factors.

If a malfunction code is displayed during the dtc check in the check mode, check the circuit for the codes listed in the table below. For details of each code, refer to the ’’’’ under the respective ’’dtc no.’’ In the dtc chart.

*1: ” ○” ... Mil is illuminated, ”—”

*1: ” ” ... Mil is illuminated, ”” ... Mil is not illuminated.

*2: Mil is illuminated or blinks *3: this dtc is indicate a malfunction related to primary circuit.

    Share this page:

    Other materials:

    Circuit description
    When the idle switch is turned on, a signal is sent to the cruise control ecu assy. The cruise control ecu assy uses this signal to correct the discrepancy between the throttle valve position and the actuator position sensor values to enable accurate cruise control at the set speed. If the idl ...

    Mass or volume air flow circuit
    Dtc p0100 mass or volume air flow circuit Dtc p0102 mass or volume air flow circuit low input Dtc p0103 mass or volume air flow circuit high input Circuit description The maf (mass air flow) sensor measures the amount of air flowing through the throttle valve. The ecm uses this information ...

    Opening the trunk
    ■ Trunk opener Pull the lever upward to release the trunk lid. ■ Trunk release button (vehicles with a smart key system) While carrying the electronic key, press the button on the trunk lid. When all the doors are unlocked using one of the following methods, the trunk can be opened without the ...