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:

    Inspection procedure
    1 Check un–lock warning switch assy Disconnect the key unlock warning switch connector.  check the continuity between the terminals of the key unlock warning switch connector, as shown in the illustration and table. Standard: 2 Check wire harness (tvip ecu unlock warni ...

    Rear axle beam assy
    Replacement Hint: components:  1. Remove rear wheel  remove the rh and lh rear wheels. 2. Remove rear brake drum sub–assy 3. Separate skid control sensor wire Disconnect the skid control sensor connector.  remove the 2 bolts and separate the wire harness clamp ...

    Check open circuit
    For the open circuit in the wire harness in fig. 1, Perform a resistance check in step (b) or a voltage check in step (c) to locate the section. Check the resistance.  Disconnect connectors a and c and measure the resistance between them. Resistance: 1 Ω or les ...