Nissan Sentra Service Manual: Rear window defogger feedback signal

Nissan Sentra Service Manual / Driver controls / Defogger / Dtc/circuit diagnosis / Rear window defogger feedback signal

Description

Turns the indicator lamp in the rear window defogger switch ON when operating the rear window defogger.

Component function check

1.Check rear window defogger feedback signal

Check that the indicator lamp of rear window defogger switch is illuminated when turning the rear window defogger switch on.

Is the inspection result normal? Ok >> rear window defogger feedback signal is ok.

Ng >> refer to def-39, "diagnosis procedure".

Diagnosis procedure

1.Check rear window defogger feedback signal

Turn ignition switch on.
Turn rear window defogger switch on.
Check voltage between a/c auto amp. Harness connector and ground.

Is the inspection result normal?

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.

Passenger 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 1.Check door mirror defogger rh ...

Symptom diagnosis

...

Other materials:

Control buttons
The control buttons for the Bluetooth® Hands-Free Phone System are located on the steering wheel. PHONE/SEND Press the button to initiate a VR session or answer an incoming call. You can also use the button to interrupt the system feedback and give a command at once. See “L ...

Removal and installation
Bcm (body control module) Removal and Installation Note: Before replacing bcm, perform вЂњread configurationвЂќ to save or print current vehicle specification. Refer to bcs-116, "configuration (bcm) : description". Removal Disconnect the negative battery terminal. Refer to ...

P014C, P014D, P015A, P015B A/F Sensor 1
DTC Logic DTC DETECTION LOGIC To judge the malfunction of A/F sensor 1, this diagnosis measures response time of the A/F signal computed by ECM from the A/F sensor 1 signal. The time is compensated by engine operating (speed and load), fuel feedback control constant, and the A/F sensor 1 tem ...