Nissan Sentra Service Manual: Front wiper does not operate

Nissan Sentra Service Manual / Driver controls / Wiper & washer / Symptom diagnosis / Front wiper does not operate

Description

The front wiper does not operate under any operation conditions

Diagnosis procedure

Regarding wiring diagram information, refer to ww-24, "wiring diagram - with intelligent key" or ww-29, "wiring diagram - without intelligent key".

1. Check wiper relay operation

Ipdm e/r auto active test

Start IPDM E/R auto active test. Refer to WW-15, "Diagnosis Description" (with Intelligent Key system) or WW-19, "Diagnosis Description" (without Intelligent Key system).
Check that the front wiper operates at the lo/hi operation.

Consult active test

Select FRONT WIPER of IPDM E/R active test item.
While operating the test item, check that front wiper lo/hi operation and off.

Lo : front wiper lo operation

Hi : front wiper hi operation

Off : stop the front wiper.

Is the inspection result normal? Yes >> go to 5.

No >> go to 2.

2. Check front wiper motor fuse

Turn the ignition switch OFF
Check that the front wiper motor fuse 30a (no. 35, Located in the ipdm e/r) is not blown.

Is the fuse blown? Yes >> replace the fuse after repairing the affected circuit.

No >> go to 3.

3. Check front wiper motor (gnd) open circuit

Disconnect front wiper motor.
Check continuity between front wiper motor harness connector e1 and ground.

Is the inspection result normal?

Is the inspection result normal? Yes >> go to 4.

No >> repair or replace the harness or connectors.

4. Check front wiper motor output voltage

Consult active test

Turn the ignition switch ON.
Select FRONT WIPER of IPDM E/R active test item.
With operating the test item, check voltage between ipdm e/r harness connector e45 and ground.

Is the inspection result normal?

Is the inspection result normal? Yes lo circuit>>refer to ww-37, "diagnosis procedure".

Yes hi circuit>>refer to ww-39, "diagnosis procedure".

No >> replace ipdm e/r. Refer to pcs-30, "removal and installation" (with intelligent key system) or pcs-58, "removal and installation" (without intelligent key system).

5. Check front wiper request signal input

Consult data monitor

Select вЂњfr wip reqвЂќ of ipdm e/r data monitor item.
Switch the front wiper switch to HI and LO.
With operating the front wiper switch, check the monitor status.

Is the inspection result normal?

Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-30, "Removal and Installation" (with Intelligent Key system) or PCS-58, "Removal and Installation" (without Intelligent Key system).

NO >> GO TO 6.

6. Check combination switch (wiper and washer switch)

Perform the inspection of the combination switch (wiper and washer switch). Refer to ww-8, "system description".

Is the inspection result normal? Yes >> replace bcm. Refer to bcs-73, "removal and installation" (with intelligent key system) or bcs- 126, "removal and installation" (without intelligent key system).

No >> repair or replace the malfunctioning parts.

Wiper and washer system symptoms

Symptom table Caution: Perform the self-diagnosis with consult before performing the diagnosis by symptom. Perform the diagnosis by dtc if dtc is detected. ...

Normal operating condition

Description Front wiper motor protection function Ipdm e/r may stop the front wiper to protect the front wiper motor if any obstruction (operation resistance) such as a large amount of snow ...

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