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:
Intelligent key system/engine start function symptoms
Symptom Table
Engine cannot be started with all Intelligent Keys.
CAUTION:
Follow Trouble Diagnosis Flowchart
referring to "SEC-4, "Work Flow"". Determine malfunctioning
condition before performing this diagnosis.
Check that vehicle is under the
condition shown in "Conditio ...
Brake booster
Inspection
OPERATION
With engine stopped, change vacuum to atmospheric pressure by
depressing brake pedal several times. Then with brake pedal fully
depressed, start engine and when vacuum pressure reaches the
standard, make sure that clearance between brake pedal and floor
panel decreas ...
Bluetooth control unit
Reference Values
TERMINAL LAYOUT
PHYSICAL VALUES
...
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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