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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    Dtc check/clear
    1. Dtc check (normal mode) Notice: hand–held tester only: when the diagnostic system is switched from the normal mode to the check mode, all the dtcs and freeze frame data recorded in the normal mode will be erased. So before switching modes, always check the dtcs and freeze frame data, and ...

    Overhaul
    1. Drain clutch fluid 2. Remove brake master cylinder sub–assy 3. Remove brake booster assy 4. Disconnect clutch reservoir tube Loosen the clip and disconnect the clutch reservoir tube from the clutch master cylinder assy. Hint: use a container to catch the fluid. 5. Disconnect ...

    Inspection procedure
    1 Inspect shift solenoid valve(s1) Remove the shift solenoid valve s1. measure the resistance according to the value(s) in the table below. Standard: Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (–) battery lead to the solenoid ...