Nissan Sentra manuals

Nissan Sentra Service Manual: Rear window defogger relay

Description

Power is supplied to the rear window defogger with BCM control.

Component Function Check

1. Check rear window defogger relay power supply circuit

  1. Turn ignition switch ON.
  2. Check that an operation noise of rear window defogger relay (located in IPDM E/R) can be heard when turning the rear window defogger switch ON.

Is the inspection result normal? Yes >> rear window defogger relay power supply circuit is ok.

No >> refer to def-32, "diagnosis procedure".

Diagnosis Procedure

Regarding wiring diagram information, refer to def-20, "wiring diagram".

1.Check fuses

Check if any of the following fuses in the ipdm e/r are blown.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 2

No >> replace the fuse after repairing the affected circuit.

2. Check rear window defogger relay power supply circuit

  1. Turn ignition switch on.
  2. Check voltage between IPDM E/R connector E48 terminal 62 and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 3

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).

3. Check intermittent incident

Check intermittent incident.

Refer to gi-39, "intermittent incident" is the inspection result normal? Yes >> check the following:

No >> repair or replace the malfunctioning parts.

Rear window defogger switch
Description The rear window defogger is operated by pressing the rear window defogger switch ON. The indicator lamp in the rear window defogger switch illuminates while the rear window def ...

Rear window defogger power supply and ground circuit
Description Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up. Component function check 1. Check rear window defogger ...

Other materials:

Locking with power door lock switch
Door lock switch To lock all the doors without a key, push the door lock switch (driver’s or front passenger’s side) to the lock position 1 . When locking the door this way, be certain not to leave the key inside the vehicle. To unlock all the doors without a key, push the door lock ...

Transmitter
Exploded View Transmitter (tire pressure sensor) O-ring Valve stem nut Valve core Valve cap Valve stem assembly Parts that are replaced as a set when the tire is replaced. Removal and Installation REMOVAL Remove road wheel and tire assembly using power tool. Remove val ...

System
System Diagram System Description FRONT WIPER CONTROL (BASIC) BCM detects the combination switch position by the combination switch reading function. BCM transmits the front wiper request signal to the IPDM E/R using CAN communication. IPDM E/R controls the integrated front wipe ...

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