Nissan Maxima Service and Repair Manual: Key cylinder switch
Description
The main power window and door lock/unlock switch detects condition of the door key cylinder switch and transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mode for "POWER DOOR LOCK SYSTEM" with CONSULT.
Diagnosis Procedure
1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
- Turn ignition switch ON.
- Check voltage between main power window and door lock/unlock switch connector and ground.
2. CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect main power window and door lock/unlock switch connector and front door lock assembly LH (key cylinder switch) connector.
- Check continuity between main power window and door lock/unlock switch connector and front door lock assembly LH (key cylinder switch) connector.
- Check continuity between main power window and door lock/unlock switch connector and ground
3. CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between front door lock assembly LH connector and ground.
4. CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch
Component Inspection
COMPONENT INSPECTION
1. CHECK DOOR KEY CYLINDER SWITCH
Check front door lock assembly LH (key cylinder switch).
Special Repair Requirement
1. PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure.
Key slot
Description
Detects whether Intelligent Key is inserted.
Immobilizer antenna amp checks Intelligent Key transponder.
Component Function Check
1. CHECK FUNCTION
With CONSULT
Check KEY SW -SLO ...
Unlock sensor
Description
Detects door lock condition of driver door.
Component Function Check
1. CHECK FUNCTION
With CONSULT
Check unlock sensor UNLK SEN−DR in "Data Monitor" mode.
Diagnosis Proc ...
Other materials:
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 MONIT ...
Audio unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
Preparation
PREPARATION
Special Service Tools
The actual shapes of the tools may differ from those illustrated here.
Commercial Service Tools
...
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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