Nissan Maxima Service and Repair Manual: Optical sensor
Description
The optical sensor converts the outside brightness (lux) to voltage and transmits the optical sensor signal to the BCM.
Component Function Check
1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT
CONSULT
- Turn the ignition switch ON.
- Select "OPTICAL SENSOR" of BCM (HEAD LAMP) DATA MONITOR item.
- Turn the lighting switch to AUTO.
- While the auto light system is operating, check the monitor status.
*: Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.
Diagnosis Procedure
1.CHECK OPTICAL SENSOR POWER SUPPLY INPUT
- Turn the ignition switch ON.
- Turn the lighting switch to AUTO.
- Check the voltage between the optical sensor harness connector and ground.
2.CHECK OPTICAL SENSOR GROUND INPUT
Check the voltage between the optical sensor harness connector and ground
3.CHECK OPTICAL SENSOR SIGNAL OUTPUT
With the auto light system operating, check voltage between the optical sensor harness connector and ground.
4.CHECK OPTICAL SENSOR POWER SUPPLY FOR OPEN CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the optical sensor connector and BCM connector M18.
- Check continuity between the optical sensor harness connector (A) and the BCM harness connector (B).
5.CHECK OPTICAL SENSOR POWER SUPPLY FOR SHORT CIRCUIT
Check the continuity between the optical sensor harness connector and the ground.
6.CHECK OPTICAL SENSOR GROUND FOR OPEN CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the optical sensor connector and BCM connector M18.
- Check continuity between the optical sensor harness connector (A) and the BCM harness connector (B).
7.CHECK OPTICAL SENSOR SIGNAL FOR OPEN CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the optical sensor connector and BCM connector M18.
- Check continuity between the optical sensor harness connector (A) and the BCM harness connector (B)
8.CHECK OPTICAL SENSOR SIGNAL FOR SHORT CIRCUIT
heck the continuity between the optical sensor harness connector and ground.
Turn signal lamp circuit
Description
The BCM monitors inputs from the combination switch to determine when to
activate the turn signals. The BCM outputs voltage direction to the left and
right turn signals during turn si ...
Hazard switch
Component Function Check
1.CHECK HAZARD SWITCH SIGNAL BY CONSULT
CONSULT DATA MONITOR
Turn ignition switch ON.
Select "HAZARD SW" of BCM (FLASHER) DATA MONITOR item.
With operating the hazar ...
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P0171, P0174 fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from A/F
sensor 1. The ECM calculates
the necessary compensation to correct the o ...
Steering switch
Description
When one of the steering wheel audio control switches is pushed, the
resistance in the steering wheel audio
control switch circuit changes, depending on which button is pushed.
Diagnosis Procedure
1.CHECK STEERING SWITCH RESISTANCE
Disconnect steering switch connector M88. ...
Moonroof (if so equipped)
Power moonroo
The moonroof will only operate when the ignition
switch is placed in the ON position. The power
moonroof is operational for a period of time, even
if the ignition switch is placed in the ACC or OFF
position. If the driver's door or the front passenger's
door is opened during ...
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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