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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    Replacement
    1. Remove clutch start switch assy  disconnect the clutch start switch assy connector.  remove the nut and clutch start switch assy from the clutch pedal support. 2. Install clutch start switch assy  install the clutch start switch assy with the nut. Torque: 15.68 Nv ...

    Checking the messages
    1 Display the “Message Inbox” screen. 2 Select the desired message from the list. 3 Check that the message is displayed. 1 E-mails: Select “Mark Unread” or “Mark Read” to mark mail unread or read on the message inbox screen. This function is available when “Update Message Read S ...

    Deactivating or stopping the alarm
    Do one of the following to deactivate or stop the alarm: ● Unlock the doors or open the trunk. ● Vehicles without a smart key system: Turn the engine switch to the “ACC” or “ON” position, or start the engine. (The alarm will be deactivated or stopped after a few seconds.) & ...