P0715

P0715 INPUT SPEED SENSOR A

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


CAUTION:
Always drive vehicle at a safe speed.

1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.

2. CHECK DTC DETECTION

With CONSULT
1.Start the engine.
2.Drive the vehicle.
3.Maintain the following conditions for 5 seconds or more.





With GST
Follow the procedure "With CONSULT".
Is "P0715" detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Electrical Diagrams.

1. CHECK TCM INPUT SIGNAL

1.Turn ignition switch OFF.
2.Lift the vehicle.
3.Start the vehicle.
Revision: March 20122013 Infiniti JX
4.Check frequency of primary speed sensor.





Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- GO TO 2.

2. CHECK POWER SUPPLY AND SENSOR GROUND

1.Turn ignition switch OFF.
2.Check voltage between TCM connector terminals.





Is the inspection result normal?
YES- GO TO 3.
NO- Go to "Diagnosis Procedure" P1701.

3. CHECK CIRCUIT BETWEEN TCM AND CVT UNIT

1.Turn ignition switch OFF.
2.Disconnect TCM connector.
3.Disconnect CVT unit connector.
4.Check continuity between TCM harness connector terminals and CVT unit harness connector terminal.





5.Check continuity between primary speed sensor harness connector terminal and ground.





Is the inspection result normal?
YES- Replace the transaxle assembly due to malfunction in the primary speed sensor. Refer to "Removal and Installation" Removal and Installation.
NO- Repair or replace damaged parts.
Revision: March 20122013 Infiniti JX