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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    Audio unit
    1 Bluetooth® connection status If “BT” is not displayed, the Bluetooth® audio/phone cannot be used. 2 Display A message, name, number, etc. is displayed. Lower-case characters and special characters cannot be displayed. 3 Displays the set up menu 4 Selects items such as menu and number ...

    Stabilizer bar front
    Replacement Hint: components: 1. Remove front wheel 2. Remove front stabilizer link assy lh Remove the 2 nuts and stabilizer bar link. Hint: if the ball joint turns together with the nut, use a hexagon wrench (6 mm) to hold the stud. 3. Remove front stabilizer link assy rh Hint: ...

    Inspection procedure
    1 Check side squib(rh) circuit(airbag sensor assy center – front seat airbag assy rh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds. disconnect the connectors between the front seat airbag assy (rh) and the airbag sensor assy center. ...