Nissan Rogue Service Manual: P0850 PNP switch

Description

Transmission range switch is turn ON when the selector lever is P or N.

ECM detects the position because the continuity of the line (the ON) exists.

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

•  Harness or connectors (The transmission range switch circuit is open or shorted.)
•  Transmission range switch

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

1.INSPECTION START

Do you have CONSULT? Do you have CONSULT? YES >> GO TO 2.

NO >> GO TO 5.

2.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1.  Turn ignition switch OFF and wait at least 10 seconds.
2.  Turn ignition switch ON.
3.  Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 3.

3.CHECK PNP SIGNAL FUNCTION

With CONSULT

1.  Turn ignition switch ON.
2.  Select “P/N POSI SW” in “DATA MONITOR” mode of “ENGINE” using CONSULT. Then check the “P/N POSI SW” signal as per the following conditions.

Is the inspection result normal? YES >> GO TO 4.

NO >> Proceed to EC-383, "Diagnosis Procedure".

4.PERFORM DTC CONFIRMATION PROCEDURE

1.  Select “DATA MONITOR” mode of “ENGINE” using CONSULT.
2.  Start engine and warm it up to normal operating temperature.
3.  Maintain the following conditions for at least 60 consecutive seconds.

CAUTION: Always drive vehicle at a safe speed.

4. Check 1st trip DTC.

Is 1st trip DTC detected? YES >> Proceed to EC-383, "Diagnosis Procedure".

NO >> INSPECTION END

5.PERFORM COMPONENT FUNCTION CHECK

1.  Turn ignition switch ON.
2.  Check the voltage between ECM harness connector terminals as per the following conditions.

Is the inspection result normal? YES >> INSPECTION EN

NO >> Proceed to EC-383, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK TRANSMISSION RANGE SWITCH POWER SUPPLY

1.  Turn ignition switch OFF.
2.  Disconnect transmission range switch harness connector.
3.  Turn ignition switch ON.
4.  Check the voltage between transmission range switch harness connector and ground.

Is the inspection result normal? YES >> GO TO 3.

NO >> GO TO 2.

2.CHECK TRANSMISSION RANGE SWITCH POWER SUPPLY CIRCUIT

1.  Turn ignition switch OFF.
2.  Disconnect IPDM E/R harness connector.
3.  Check the continuity between transmission range switch harness connector and IPDM E/R harness connector.

4. Also check harness for short to ground.

Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.

NO >> Repair or replace error-detected parts.

3.CHECK TRANSMISSION RANGE SWITCH SIGNAL CIRCUIT

1.  Turn ignition switch OFF.
2.  Disconnect ECM harness connector.
3.  Check the continuity between transmission range switch harness connector and ECM harness connector.

4. Also check harness for short to ground and to power.

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair or replace error-detected parts.

4.CHECK TRANSMISSION RANGE SWITCH

Check the transmission range switch. Refer to TM-111, "Component Inspection".

Is the inspection result normal? YES >> GO TO 5.

NO >> Replace transmission range switch. Refer to TM-220, "Removal and Installation".

5.CHECK INTERMITTENT INCIDENT

Refer to GI-41, "Intermittent Incident".

>> INSPECTION END