P0720

P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)





Description
The revolution sensor detects the revolution of the parking gear and emits a pulse signal. The pulse signal is transmitted to the TCM which converts it into vehicle speed.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE

CAUTION:
- Always drive vehicle at a safe speed.
- Be careful not to rev engine into the red zone on the tachometer.
1.PRECONDITIONING
If "DTC CONFIRMATION PROCEDURE" is previously conducted, always turn ignition switch OFF and wait at least 10 seconds before performing the next test.
- GO TO 2.
2.CHECK DTC DETECTION
With CONSULT-III
1. Start the engine.
2. Shift the selector lever to manual shift gate side.
3. Start up in M1, and then upshift to M2.
4. Accelerate to approximately 40 km/h (25 MPH) in M2.
5. Perform "Self Diagnostic Results" in "TRANSMISSION".
With GST
Follow the procedure "With CONSULT-III".
Is "P0720" detected?
YES - Go to P0720.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
Is the inspection result normal?
YES - Replace A/T assembly.