Nissan Sentra Service Manual: 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 defogger is on.
Component function check
1. Check rear window defogger switch function
- Check (“REAR DEF SW”) in BCM - REAR DEFOGGER “DATA MONITOR” mode by using CONSULT.
- Operate rear window defogger switch and check the status on consult screen.
Is the inspection result normal? Yes >> rear window defogger switch function is ok.
No >> refer to def-30, "diagnosis procedure".
Diagnosis procedure
Regarding wiring diagram information, refer to def-20, "wiring diagram".
1. Check rear window defogger on signal circuit
- Turn ignition switch to on.
- Turn rear window defogger switch ON.
- Check voltage between bcm connector and ground.
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 >> go to 2.
2. Check harness continuity
- Turn ignition switch to off.
- Disconnect bcm and a/c auto amp.
- Check continuity between BCM connector and A/C auto amp.
- Check continuity between bcm harness connector and ground.
Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-105, "Removal and Installation" (with auto A/C) or HAC- 189, "Removal and Installation" (without auto A/C).
NO >> Repair or replace harness.
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 ...
Other materials:
Instrument lower panel lH
Removal and Installation
REMOVAL
Remove the instrument side finisher LH (1) using a suitable tool.
Remove the hood and fuel filler handle assembly from the instrument
lower panel LH. Refer to DLK-191,
"FUEL FILLER OPENER CABLE : Removal and Installation".
Release the ...
Front wiper motor ground circuit
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 (gnd) open circuit
Turn the ignition switch OFF.
Disconnect front wiper mot ...
Diagnosis and repair workflow
Work flow
Overall sequence
Detailed flow
1. Obtain information about symptom
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2. Confirm concern
Check the malfunction on the veh ...
