Nissan Maxima Service and Repair Manual: 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
Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard when turning the rear window defogger switch ON.
Diagnosis Procedure
1. CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
- Turn ignition switch ON.
- Check voltage between BCM harness connector M18 terminal 59 and ground.
2. CHECK HARNESS CONTINUITY
- Turn ignition switch OFF.
- Disconnect BCM and fuse block (J/B).
- Check continuity between BCM harness connector M18 (A) terminal 59 and fuse block (J/B) harness connector M4 (B) terminal 4Q.
- Check continuity between BCM harness connector M18 (A) terminal 59 and ground.
3. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
4. CHECK INTERMITTENT INCIDENT
Check intermittent incident
Component Inspection
1. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Rear window defogger switch
Description
The rear window defogger is operated by turning the rear window defogger
switch ON.
Turns the indicator lamp in the rear window defogger switch ON
when operating the rear windo ...
Rear window defogger power supply and ground circuit
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the rear window
from fogging up.
Component Function Check
1. CHECK REAR WINDOW DEFOGGER
...
Other materials:
ASCD brake switch
Description
When the brake pedal is depressed, ASCD brake switch is turned OFF and stop
lamp switch is turned ON.
ECM detects the state of the brake pedal by those two types of input (ON/OFF
signal).
Refer to EC-68, "System Diagram" for the ASCD function.
Component Function Che ...
Audio unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
Power seat switch ground circuit
Diagnosis Procedure
1. CHECK POWER SEAT SWITCH LH GROUND CIRCUIT
Turn ignition switch OFF.
Disconnect power seat switch LH.
Check continuity between power seat switch LH connector and
ground.
...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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