Nissan Sentra manuals

Nissan Sentra Service Manual: Front wiper motor lo circuit

Component function check

1. Check front wiper lo operation

Ipdm e/r auto active test


  1. Start ipdm e/r auto active test. Refer to pcs-9, "diagnosis description" (with intelligent key system) or pcs-37, "diagnosis description" (without intelligent key system).
  2. Check that the front wiper operates at the lo 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 operation and off.

Lo : front wiper lo operation

Off : stop the front wiper.

Is the inspection result normal? Yes >> front wiper motor lo circuit is normal.

No >> refer to ww-37, "diagnosis procedure".

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 front wiper motor (lo) input voltage

Consult active test


  1. Turn the ignition switch OFF.
  2. Disconnect front wiper motor.
  3. Turn the ignition switch on.
  4. Select front wiper of ipdm e/r active test item.
  5. While 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 >> GO TO 2.

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).

2. Check front wiper motor (lo) open circuit

  1. Turn the ignition switch OFF.
  2. Disconnect ipdm e/r.
  3. Check continuity between ipdm e/r harness connector e45 and front wiper motor harness connector e1.

Is the inspection result normal?


Is the inspection result normal?

Yes >> go to 3.

No >> repair or replace the harness or connectors.

3. Check front wiper motor (lo) short circuit

Check continuity between IPDM E/R harness connector E45 and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Repair or replace the harness or connectors.

NO >> Replace front wiper motor. Refer to WW-62, "Removal and Installation".

Wiper and washer fuse
Description Diagnosis procedure 1. Check fuses Check that the following fuses are not blown. Is the fuse blown? Yes >> replace the blown fuse after repairing the affected circuit. ...

Front wiper motor hi circuit
Component function check 1. Check front wiper hi operation Ipdm e/r auto active test Start ipdm e/r auto active test. Refer to ww-15, "diagnosis description" (with intelligent key ...

Other materials:

Automatic door locks
All doors lock automatically when the vehicle speed reaches 15 MPH (24 km/h). All doors unlock automatically when the ignition is placed in the OFF position (models with Intelligent Key system) or when the key is removed from the ignition switch (models without Intelligent Key system) ...

Interior room lamp control circuit
Description Controls each interior room lamp (ground side) by pwm signal. Note: Pwm signal control period is approximately 250 hz (in the gradual brightening/dimming). Component function check Caution: Before performing the diagnosis, check that the following are normal. Interior room l ...

Ipdm-e branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ipdm e/r for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? Yes ...

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