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
- Turn ignition switch ON.
- 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? Yes >> go to 2
No >> replace the fuse after repairing the affected circuit.
2. Check rear window defogger relay power supply circuit
- Turn ignition switch on.
- Check voltage between IPDM E/R connector E48 terminal 62 and ground.
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:
- Battery power supply circuit.
- Ipdm e/r.
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:
Basic inspection
Diagnosis and repair work flow
Work Flow
Overall sequence
Detailed flow
1. Get information for symptom
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred).
>> Go to 2.
2. Check dtc
Check ...
Vehicle identification number (VIN) plate
The vehicle identification number (VIN) plate is
attached as shown. This number is the identification
for your vehicle and is used in the vehicle
registration.
Vehicle identification number (chassis number)
The vehicle identification number is located as
shown.
Engine serial number
...
Driving on snow or ice
WARNING
Wet ice (32°F, 0°C and freezing rain),
very cold snow or ice can be slick and
very hard to drive on. The vehicle will
have much less traction or “grip” under
these conditions. Try to avoid driving on
wet ice until the road is salted or
sanded.
Wha ...
