Toyota Corolla (E120): Problem symptoms table

If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.

Pressing power switch does not start system

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    Checking and replacing fuses
    If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. 1 Turn the engine switch off. 2 Open the fuse box cover. ► Engine compartment Push the tab in and lift the lid off. ► Under the driver’s side i ...

    Inspection procedure
    Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Perform active test using the hand–held ...

    Problem symptoms table
    When the malfunction code is not confirmed in the diagnostic trouble code check and the problem still can not be confirmed in the basic inspection, proceed to this problem symptoms tables and troubleshoot according to the numbered order given below. *: A/t only ...