Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC WITH BCM
Refer to "DTC INDEX ".

Is the inspection result normal?

YES: GO TO 2.

NO: Repair or replace malfunctioning parts.

CHECK PNP SWITCH INPUT SIGNAL

Turn ignition switch OFF.
Disconnect IPDM E/R harness connector.
Turn ignition switch ON.

Check voltage between IPDM E/R harness connector and ground under following condition.

Fig 1: Checking Voltage Between IPDM E/R Harness Connector And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

VOLTAGE REFERENCE CHART

IPDM E/R		Ground	Condition		Voltage (V)
Connector	Terminal	Ground	Condition		Voltage (V)
E18	30	Ground	CVT selector lever	P or N	0
E18	30	Ground	CVT selector lever	Other than above	Battery voltage

Is the inspection result normal?

YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".

NO: GO TO 3.

CHECK PNP SWITCH CIRCUIT

Turn ignition switch OFF.
Disconnect TCM harness connector.

Check continuity between IPDM E/R harness connector and TCM harness connector.

CONTINUITY REFERENCE CHART

TCM		IPDM E/R		Continuity
Connector	Terminal	Connector	Terminal	Continuity
A: F16	20	B: E18	72	Yes

Check continuity between TCM harness connector and ground.

CONTINUITY REFERENCE CHART

TCM		Ground	Continuity
Connector	Terminal	Ground	Continuity
A: F16	20	Ground	No

Fig 2: Checking Continuity Between TCM Harness Connector And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Is the inspection result normal?

YES: GO TO 4.

NO: Repair harness or connector.

CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".

Inspection End.