Toyota Corolla (E120): Problem symptoms table

Hint

: use the table below to help determine the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

1. Headlamp and tail lamp

2. Front fog lamp system

2. Front fog lamp system

3. Turn signal and hazard warning system

3. Turn signal and hazard warning system

4. Stop lamp system

4. Stop lamp system

5. Back up lamp system

5. Back up lamp system

6. Interior lamp system

6. Interior lamp system

7. Light control rheostat system

7. Light control rheostat system

On–vehicle inspection

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    Check and replace ecu
    Notice: start an inspection of the connector from the backside of the connector on the wire harness side with the connector connected to the ecu. When no measurement condition is specified, perform the inspection with the engine stopped and also the ignition switch on. First check the ec ...

    System description
    The ecm uses the signals from the throttle position sensor, air–flow meter and crankshaft position sensor to monitor the engagement condition of the lock–up clutch. Then the ecm compares the engagement condition of the lock–up clutch with the lock–up schedule in the ecm memory to de ...

    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 ...