IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM): 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 FUSES AND FUSIBLE LINK

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

FUSES AND FUSIBLE LINK REFERENCE

Terminal No.	Signal name	Fuses and fusible link No.
1, 2	Battery power supply	B, D
-		42
-		43

Is the fuse blown?

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

NO: GO TO 2

CHECK POWER SUPPLY CIRCUIT

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

VOLTAGE SPECIFICATION

Terminals			Voltage (V) (Approx.)
(+)		(-)
IPDM E/R
Connector	Terminal	Ground
E16	1		Battery voltage
	2

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

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

Is the measurement value normal?

YES: GO TO 3

NO: Repair harness or connector.

CHECK GROUND CIRCUIT

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

CONTINUITY SPECIFICATION

IPDM E/R		Ground	Continuity
Connector	Terminal
A: E18	12		Yes
B: E17	41

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

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

Does continuity exist?

YES: Inspection End.

NO: Repair harness or connector.