Nissan Sentra Service Manual: 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
Check that the heating wire of rear window defogger is heated when turning the rear window defogger switch on.
Is the inspection result normal? Yes >> rear window defogger is ok.
No >> refer to def-33, "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 IPDM E/R are blown.
Is the inspection result normal? Yes >> go to 2.
No >> replace the blown fuse after repairing the affected circuit.
2. Check rear window defogger power supply circuit
- Turn ignition switch ON.
- Check voltage between ipdm e/r connector and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Perform rear window defogger relay diagnosis. Refer to DEF-32, "Diagnosis Procedure".
3. Check power supply circuit
- Turn ignition switch on.
- Check voltage between rear window defogger connector and ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 5.
4. Check ground circuit
- Turn ignition switch off
- Disconnect rear window defogger.
- Check continuity between rear window defogger connector and ground.
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace harness.
5. Check harness continuity
- Turn ignition switch OFF.
- Disconnect IPDM E/R.
- Check continuity between ipdm e/r connector and condenser connector.
Is the inspection result normal? Yes >> replace condenser. Refer to def-49, "removal and installation".
No >> replace or repair harness.
6. Check filament
Check filament.
Refer to DEF-34, "Component Inspection".
Is the inspection result normal? YES >> Refer to GI-39, "Intermittent Incident".
NO >> Repair filament. Refer to DEF-47, "Inspection and Repair".
Component inspection
1. Check filament
Check the filament for damage or open circuits.
Refer to DEF-47, "Inspection and Repair".
Is the inspection result normal? YES >> Inspection End.
NO >> Repair filament. Refer to DEF-47, "Inspection and Repair".
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 ...
Driver side door mirror defogger
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the door mirror
from fogging up.
Component Function Check
Check that heating wire of doo ...
Other materials:
Rear-facing child restraint installation using the seat belts
WARNINGThe three-point seat belt with Automatic
Locking Retractor (ALR) must be used
when installing a child restraint. Failure to
use the ALR mode will result in the child
restraint not being properly secured. The
restraint could tip over or be loose and
cause injury to ...
How to use this manual
How to use this section
Information
“Can” of lan section describes information peculiar to a vehicle and
inspection procedures.
For trouble diagnosis procedure, refer to lan-16, "trouble diagnosis
flow chart" of “can fundamental”.
Abbreviation list
Unit ...
High-mounted stop lamp
Removal and Installation
HIGH-MOUNTED STOP LAMP - WITH REAR SPOILER
Removal
Remove the rear air spoiler. Refer to EXT-46, "Removal and
Installation".
Remove the screws and the high-mount stop lamp from the rear air
spoiler.
Installation
Installation is in the reverse or ...
