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:
Basic inspection
Diagnosis and repair workflow
Trouble diagnosis flow chart
Trouble diagnosis procedure
Interview with customer
Interview with the customer is important to detect the root cause of can
communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosi ...
Spark plug
Exploded View
Ignition coil
Spark plug
Rocker cover
Removal and Installation
REMOVAL
Remove engine cover. Refer to EM-24, "Exploded View".
Remove ignition coil. Refer to EM-46, "Exploded View".
Remove spark plug using suitable tool.
(a) : 14 mm (0.55 in ...
C1729 Vehicle speed signal
DTC Logic
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTCs
Registe ...
