DTC P0720 Output Speed Sensor Circuit: DTC Detecting Condition
DTC DETECTING CONDITION POSSIBLE CAUSE
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
|
- Signal circuit is open or short
- Sensor power circuit is open
- Sensor ground circuit is open
- Faulty OUTPUT SPEED SENSOR
- Faulty PCM
|
| Enable Conditions |
- Vehicle speed is over 30 Km/h in D, 3, 2, L (A/T range switch) and SP (SPORTS MODE)
- But do not check the DTC in below condition
- A/T oil temp sensor voltage > 4.5 V
- Eng revolution < 2600 rpm
|
| Threshold value |
- If the output from the output speed sensor is continuously 50% lower than the value calculated by vehicle speed sensor.
|
| Diagnostic Time |
|
| Fail Safe |
- Locked into 3rd or 2nd gear
- Apply an electric current to Solenoid valve
- Manual shifting is possible (2nd → 3rd, 3rd → 2nd)
|