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

  1.  Turn ignition switch ON.

  2.  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

  1.  Turn ignition switch OFF.

  2.  Disconnect main power window and door lock/unlock switch connector and front door lock assembly LH connector.

  3.  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:

    Manual operation (if so equipped)
    Tilt and telescopic operation Pull the lock lever 1 down: Adjust the steering wheel up or down in direction 2 to the desired position. Adjust the steering wheel forward or backward in direction 3 to the desired position. Push the lock lever 1 up firmly to lock the steering wheel i ...

    Vacuum lines
    Exploded View Clamp Installation arrow Vacuum hose Vacuum pipe Clip To intake manifold To brake booster Front Removal and Installation REMOVAL Disconnect the vacuum hose from the brake booster. Disconnect the vacuum hose from the intake manifold. Release the c ...

    Driver side door mirror defogger does not operate
    Diagnosis Procedure 1. CHECK DOOR MIRROR DEFOGGER LH Check door mirror defogger LH. PASSENGER SIDE DOOR MIRROR DEFOGGER DOES NOT OPERATE Diagnosis Procedure 1. CHECK DOOR MIRROR DEFOGGER RH Check door mirror defogger RH. REAR WINDOW DEFOGGER SWITCH DOES NOT LIGHT, BUT REAR WINDOW DEFOGGER O ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0093