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

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    Inspection
    1. Charcoal canister assy Visually check the charcoal canister for cracks or damage. Inspect the charcoal canister operation.  Plug the vent port with the cap.  While holding the purge port closed, blow air (1.76 Kpa, 18 gf/cm2, 0.26 Psi) into the evap port and ...

    Replacement
    1. Remove engine under cover rh 2. Drain coolant 3. Remove fan and generator v belt 4. Remove generator assy Disconnect the wire clamp from the wire clip on the rectifire end frame.  remove the rubber cap and nut, and disconnect the alternator wire.  disconnect the ...

    Replacement
    1. Drain engine oil  remove the oil pan drain plug and drain the engine oil. 2. Removal & installation chain sub–assy 3. Remove chain vibration damper no.1  remove 2 bolts and chain vibration damper no. 1. 4. Remove oil pump assy Remove the 5 bolts.  rem ...