Nissan Sentra Service Manual: Component parts

Nissan Sentra Service Manual / Driver controls / Defogger / System description / Component parts

Component parts location

Bcm (view with instrument panel removed)
Ipdm e/r (rear window defogger relay)
A/c auto amp. (View with a/c switch assembly removed)
A/C switch assembly (rear window defogger switch) (with auto A/C)
A/c switch assembly (rear window defogger switch) (without auto a/c)
A. Rear window defogger power connector b. Condenser (view with rear pillar finisher lh removed)
Rear window defogger ground connector (view with rear pillar finisher rh removed)
Door mirror lh (door mirror defogger) (if equipped) (rh similar)

Component description

Component	Description
BCM	Operates the rear window defogger with the operation of rear window defogger switch. Performs the timer control of rear window defogger.
Rear window defogger relay	Operates the rear window defogger and the door mirror defogger1 with the control signal from bcm.
A/c auto amp	Displays the rear window defogger on to the display when detecting the operation of the rear window defogger.
A/c switch assembly (rear window defogger switch)	The rear window defogger switch is turned ON.
Rear window defogger	Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up.
Door mirror defogger1	Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up.

1: With heated mirrors

System

System Description Operation description A/C control transmits rear window defogger switch signal to A/C auto amp. when rear window defogger switch turns ON while ignition switch is ON. ...

Other materials:

Squeak and rattle trouble diagnoses
Work Flow Customer interview Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the diagnostic worksheet during the interview to document the facts and conditions when the noise occurs and any customer's comments; refer to rf-37, "d ...

Performance test
Inspection INSPECTION PROCEDURE Connect recovery/recycling/recharging equipment (for HFC-134a) or manifold gauge. Start the engine, and set to the following condition. Test condition Maintain test condition until A/C system becomes stable. (Approximately 10 minutes) Check t ...

FM/AM/SAT radio with compact disc (CD) player (Type B) (if so equipped)
For all operation precautions, see “Audio operation precautions” in this section. Audio main operation ON-OFF button / VOL (volume) control knob: Place the ignition switch in the ACC or ON position and press the ON-OFF button while the system is off to call up the mode (radio, CD, AUX, B ...