No. 9 Fast Idle/Runs On: Notes
NO. 9 FAST IDLE/RUNS ON DESCRIPTION AND POSSIBLE CAUSE
| 9 |
FAST IDLE/RUNS ON |
| DESCRIPTION |
- Engine speed continues at fast idle after warm-up.
- Engine runs after ignition is off.
|
| POSSIBLE CAUSE |
- Cooling system malfunction
- ECT sensor malfunction
- Improper load signal input
- Refrigerant pressure sensor malfunction
- Evaporator temperature sensor malfunction
- Climate control unit malfunction (A/C switch malfunction or climate control unit does not determine A/C request or transmit the A/C request signal.)
- CPP switch malfunction (MTX)
- Neutral switch malfunction (MTX)
- TR switch malfunction (ATX)
- Communication error between TCM and PCM (ATX)
- Air leakage from intake air system
- Improper operation of drive-by-wire control system
- APP sensor malfunction
|