Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

CHECK FUSES AND FUSIBLE LINK

Check that the following IPDM E/R fuses or fusible link are not blown.

Terminal No.	Signal name	Fuses and fusible link No.
1	Battery	A, D
2	Battery	C

Is the fuse blown?

YES: Replace the blown fuse or fusible link after repairing the affected circuit.

NO: GO TO 2

CHECK BATTERY POWER SUPPLY CIRCUIT

Turn ignition switch OFF.
Disconnect IPDM E/R.
Check voltage between IPDM E/R harness connectors and ground.

Terminals			Ignition switch position
(+)		(-)	OFF	ON	START
Connector	Terminal
E118	1	Ground	Battery voltage	Battery voltage	Battery voltage
	2		Battery voltage	Battery voltage	Battery voltage

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

Courtesy of NISSAN NORTH AMERICA, INC.

Is the measurement value normal?

YES: GO TO 3

NO: Repair or replace harness.

CHECK GROUND CIRCUIT

Turn ignition switch OFF.

Check continuity between IPDM E/R harness connectors and ground.

IPDM E/R		Ground	Continuity
Connector	Terminal
E122 (A)	38		Yes
E124 (B)	59

Fig 2: Checking Continuity Between IPDM E/R Harness Connectors And Ground

Courtesy of NISSAN NORTH AMERICA, INC.

Does continuity exist?

YES: Inspection End.

NO: Repair or replace harness.