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:

P0604 ECM
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0604 ECM [Internal control module random access memory (RAM) error] Malfunction in the internal RAM of ECM. ECM DTC CON ...

Maintenance requirements
Your NISSAN has been designed to have minimum maintenance requirements with long service intervals to save you both time and money; however, some day-to-day and regular maintenance is essential to maintain your NISSAN’s good mechanical condition as well as its emissions and engine performanc ...

Precautions For Engine Service
DISCONNECTING FUEL PIPING Before starting work, check no fire or spark producing items are in the work area. Release fuel pressure before disconnecting and disassembly. After disconnecting pipes, plug openings to stop fuel leakage. DRAINING ENGINE COOLANT Drain engine coolant and engi ...