Front Wiper Does Not Operate

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: During IPDM E/R fail-safe control, front wipers may not operate. Refer to "CAN COMMUNICATION LINE CONTROL " to make sure that it is not in fail-safe status.

CHECK IPDM E/R TO FRONT WIPERS
With CONSULT-II
1. Select "IPDM E/R" with CONSULT-II, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
2. Select "FRONT WIPER" on "SELECT TEST ITEM" screen.
Without CONSULT-II
1. Turn on front wipers using auto active test. Refer to "AUTO ACTIVE TEST ".
2. Confirm front wiper operation.
OK or NG

OK: GO TO 4.

NG: GO TO 2.

IPDM E/R TO FRONT WIPERS CIRCUIT INSPECTION

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

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

TERMINAL CONTINUITY CHART

IPDM E/R		Front wiper motor		Continuity
Connector	Terminals	Connector	Terminals	Continuity
E121	32	E23	1	Yes
E121	35		4
E122	43		5

Fig 2: Checking Continuity Between Harness Connector Terminals And Harness Connector Terminals

Check continuity between IPDM E/R connector and ground.

TERMINAL CONTINUITY CHART

Connector	Terminals		Continuity
E121	32	Ground	No
E121	35
E122	43

Fig 3: Checking Continuity Between IPDM E/R Connector Terminals 32,35,43 And Ground

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

TERMINAL CONTINUITY CHART

Connector	Terminals		Continuity
E122	38	Ground	Yes
E124	59	Ground	Yes

Fig 4: Checking Continuity Between IPDM E/R Connector Terminal 38,59 And Ground

Check continuity between front wiper motor connector and ground.

TERMINAL CONTINUITY CHART

Connector	Terminal		Continuity
E23	2	Ground	Yes

Fig 5: Checking Continuity Between Front Wiper Motor Harness Connector E23 Terminal 2 And Ground

OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

IPDM E/R INSPECTION

With CONSULT-II

Connect IPDM E/R and front wiper motor.
Select "IPDM E/R" with CONSULT-II, and select "ACTIVE TEST" on "SELECT DIAG MODE" screen.
Select "FRONT WIPER" on "SELECT TEST ITEM" screen.

Without CONSULT-II

Connect IPDM E/R and front wiper motor.

Turn on front wipers using the auto active test. Refer to "AUTO ACTIVE TEST ".

Fig 6: Identifying CONSULT II Display - ACTIVE TEST

When front wiper relay, and front wiper high relay are operating, check voltage between IPDM E/R connector and ground.

TERMINAL VOLTAGE CHART

IPDM E/R		(-)	Condition	Voltage (Approx.)
(+)
Connector	Terminal
E121	32	Ground	Stopped	0
	32		LO operation	Battery voltage
	35		Stopped	0
	35		HI operation	Battery voltage

Fig 7: Checking Voltage Between IPDM E/R Harness Connector E121 Terminals 32, 35 And Ground

OK or NG

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

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

COMBINATION SWITCH TO BCM INSPECTION
Select "BCM" on CONSULT-II. With "WIPER" data monitor, check that "FR WIPER INT", "FR WIPER LOW" and "FR WIPER HI" turn ON-OFF according to operation of wiper switch.

Fig 8: Identifying CONSULT II Display - DATA MONITOR

OK or NG

OK: GO TO 5.

NG: Check wiper switch. Refer to "COMBINATION SWITCH READING FUNCTION ".
BCM INSPECTION
Select "BCM" on CONSULT-II. Carry out self-diagnosis of BCM.

Displayed self-diagnosis results

NO DTC: Replace the BCM. Refer to "REMOVAL AND INSTALLATION ".

CAN COMM CIRCUIT: Check CAN communication line of BCM. GO TO "CAN COMMUNICATION INSPECTION USING CONSULT-II (SELF-DIAGNOSIS) ".

Fig 9: Identifying CONSULT II Display - SELECT DIAG RESULTS