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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    Circuit description
    Refer to dtc p0120 Dtc no. Dtc detection condition Trouble area P0121 The following condition is met 4 times. After the vehicle speed has exceeded 19 mph (30 km/h) once, the throttle position sensor output value is out of normal range when the throttle ...

    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 ...

    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 ...