Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

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

CHECK FRONT WIPER MOTOR (AUTO STOP) OUTPUT VOLTAGE

Turn the ignition switch ON.

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

Terminals			Test item	Voltage (Approx.)
(+)		(-)
IPDM E/R		Ground	FRONT WIPER
Connector	Terminal
E122	43		Except stop postion	Battery voltage
			Stop position	0 V

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: GO TO 2

CHECK FRONT WIPER MOTOR (AUTO STOP) SHORT CIRCUIT

Turn the ignition switch OFF.
Disconnect IPDM E/R and front wiper motor.

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

IPDM E/R		Ground	Continuity
Connector	Terminal
E122	43		No

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

Courtesy of NISSAN NORTH AMERICA, INC.

Does continuity exist?

YES: Repair or replace harness.

NO: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION OF IPDM E/R ".

CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY

Check continuity between IPDM E/R harness connector and front wiper motor harness connector.

IPDM E/R		Front wiper motor		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E122	43	E23	6	Yes

Fig 3: Checking Continuity Between IPDM E/R Harness Connector And Front Wiper Motor Harness Connector

Courtesy of NISSAN NORTH AMERICA, INC.

Does continuity exist?

YES: Replace front wiper motor. Refer to "WIPER MOTOR AND LINKAGE ".

NO: Repair or replace harness.