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 FRONT WIPER MOTOR (HI) OUTPUT VOLTAGE

CONSULT-III ACTIVE TEST

Turn the ignition switch OFF.
Disconnect front wiper motor.
Turn the ignition switch ON.
Select "FRONT WIPER" of IPDM E/R active test item.
While operating the test item, check voltage between IPDM E/R harness connector and ground.

TERMINAL VOLTAGE REFERENCE CHART

Terminals			Test item	Voltage (V) (Approx.)
(+)		(-)
IPDM E/R		Ground	FRONT WIPER
Connector	Terminal
E18	5		HI	Battery voltage
			OFF	0 V

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

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

Is the measurement normal?

YES: GO TO 2

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

CHECK FRONT WIPER MOTOR (HI) OPEN CIRCUIT

Turn the ignition switch OFF.
Disconnect IPDM E/R.
Check continuity between IPDM E/R harness connector (A) and front wiper motor harness connector (B).

TERMINAL CONTINUITY REFERENCE CHART

IPDM E/R		Front wiper motor		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E18 (A)	5	E25 (B)	4	Yes

Fig 2: Checking Continuity Between IPDM E/R Harness Connector And Front Wiper Motor Harness Connector

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

Does continuity exist?

YES: GO TO 3

NO: Repair or replace harness.

CHECK FRONT WIPER MOTOR (HI) SHORT CIRCUIT

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

TERMINAL CONTINUITY REFERENCE CHART

IPDM E/R		Ground	Continuity
Connector	Terminal
E18	5		No

Fig 3: Checking Continuity Between IPDM E/R Harness Connector And Ground

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

Does continuity exist?

YES: Repair or replace harness.

NO: Replace front wiper motor. Refer to "FRONT WIPER DRIVE ASSEMBLY: REMOVAL AND INSTALLATION ".