Nissan Sentra Service Manual: 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

1. 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).
2. Check that the front wiper operates at the lo/hi operation.

Consult active test

1. Select FRONT WIPER of IPDM E/R active test item.
2. 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

1. Turn the ignition switch OFF
2. 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

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

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

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

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

1. Select “fr wip req” of ipdm e/r data monitor item.
2. Switch the front wiper switch to HI and LO.
3. With operating the front wiper switch, check the monitor status.

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)

1. 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.