Toyota Corolla (E120): Problem symptoms table

The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a normal code is displayed in the diagnostic trouble code chart but the problem is still occurring. Numbers in the table indicate the order in which the circuits or parts should be checked.

Hint: when the problem is not detected by the diagnostic system even though the problem symptom is present, it may be that the problem is occurring outside the detection range of the diagnostic system.

Circuit inspection

    Share this page:

    Other materials:

    Inspection procedure
    Hint: this dtc chart is on the premise that the engine is cranked normally. If the engine is not cranked, proceed to the problem symptoms table on page 05–42. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions ...

    Vehicle control system
    Ignition or starter switch assy Replacement 1. Remove steering column cover 2. Remove ignition or starter switch assy Disconnect the ignition switch connector and unlock warning switch connector.  remove the 2 clamps.  remove the 2 screws and ignition switch. Inspectio ...

    Valve clearance
    Adjustment 1. Remove cylinder head cover no.2 Remove the 2 nuts, 2 clips and cylinder head cover. 2. Disconnect engine wire Remove the 5 clamps from the 5 clamp brackets. Disconnect the 4 ignition coil connectors. Remove the bolt and nut installing the engine wire ...