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. Refer to BCS-19, "DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to SEC-136, "Wiring Diagram".
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
-
Turn ignition switch ON.
-
Check voltage between main power window and door lock/ unlock switch harness connector D7 terminal 4, 6 and ground.
2.CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
-
Turn ignition switch OFF.
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Disconnect main power window and door lock/unlock switch connector and front door lock assembly LH connector.
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Check continuity between main power window and door lock/ unlock switch harness connector D7 (A) terminal 4, 6 and front door lock assembly LH harness connector D10 (B) 5, 6.
4. Check continuity between main power window and door lock/ unlock switch harness connector D7 (A) 4, 6 and ground.
3.CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between front door lock assembly LH harness connector D10 terminal 4 and ground.
4.CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch.
Refer to SEC-86, "Component Inspection".
Component Inspection
COMPONENT INSPECTION
1.CHECK DOOR KEY CYLINDER SWITCH
Check front door lock assembly LH.
Special Repair Requirement
1. PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure. Refer to PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement" and PWC-7, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".
GO TO 2
2. CHECK ANTI-PINCH OPERATION
Check anti-pinch operation. Refer to PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Special Repair Requirement" and PWC-7, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".
End.
Key slot illumination
Description
Blinks when Intelligent Key insertion is required.
Component Function Check
1.CHECK FUNCTION
With CONSULT
Check key slot illumination ("KEY SLOT ILLUMI") Active
Test mode.
Diagnos ...
Horn
Description
Horn (high/low) is located inside of front bumper and
operates when theft warning system is in alarm phase.
Component Function Check
1.CHECK FUNCTION
Select HORN in "ACTI ...
Other materials:
Parking brake
WARNING
Be sure the parking brake is fully released
before driving. Failure to do so
can cause brake failure and lead to an
accident.
Do not release the parking brake from
outside the vehicle.
Do not use the shift lever in place of the
parking brake. When parking, be sure
the par ...
Preparation
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.
Commercial Service Tool
Sealant and/or Lubricant
...
Parking lamp circuit
Description
The IPDM E/R (intelligent power distribution module engine room) controls the
tail lamp relay based on inputs from the BCM over the CAN communication
lines. When the tail lamp relay is energized, power flows through fuses 46
and 47, located in the IPDM E/R. Power then flows to the ...
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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