LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio >> Steering Switch Does Not Operate

Steering Switch Does Not Operate

  1. SELF-DIAGNOSIS MODE OF MULTI-FUNCTION SWITCH 
    1. Carry out the self-diagnosis mode in the self-diagnosis function.
    2. Push steering switch.
      1. Beep sound should operate. 

    OK or NG

    1. OK - GO TO 2.
    2. NG - GO TO  3 .
  2. SELF-DIAGNOSIS MODE OF AV COMMUNICATION LINE 
    1. Carry out the self-diagnosis mode in the self-diagnosis function. Refer to "SELF-DIAGNOSIS MODE " (with navigation system) or refer to "SELF-DIAGNOSIS MODE ".

    Dose self-diagnosis start?

    1. YES - With self-diagnosis results, check the malfunction part.
    2. NO -
      • Check multi-function switch of power supply and ground circuit check. Refer to "Inspection of Multifunction Switch for Power Supply and Ground Circuit ".
      • Check harness between multi-function switch and AV and NAVI control unit or AV control unit.
  3. CHECK STEERING SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect steering switch connector and multi-function switch connector.
    3. Check the following.
      • Continuity between steering switch harness connector M444 terminal 2 (L) and multi-function switch harness connector M83 terminal 7 (GY/L).
        Fig 1: Checking Continuity Between Steering Switch Harness Connector Terminal 2 And Multi-Function Switch Harness Connector Terminal 7
        G02039710Courtesy of NISSAN MOTOR CO., U.S.A.
      • Continuity between steering switch harness connector M444 terminal 2 (L) and ground.
      Fig 2: Steering Switch Circuit Check Table
      G02039709Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK - GO TO 4.
    2. NG - Check the following.
      • Harness between for open or short steering switch and spiral cable.
      • Connector housing terminal for disconnection and looseness.
  4. CHECK HORN OPERATION 
    1. Check horn operation.
      1. Horn should operate. 

    OK or NG

    1. OK - GO TO 5.
    2. NG - Check horn system.
  5. CHECK POWER SUPPLY CIRCUIT 
    1. Connect steering switch connector.
    2. Turn the ignition switch ON.
    3. Check harness between steering switch harness connector M444 terminal 1(R) and ground.
      Fig 3: Checking Harness Between Steering Switch Harness Connector M444 Terminal 1 (R) And Ground
      G02039711Courtesy of NISSAN MOTOR CO., U.S.A.
      1. Battery voltage should exist. 

    OK or NG

    1. OK - GO TO 6
    2. NG - Check harness for open or short between steering switch and horn relay [located in fuse, fusible link and relay block (J/B)]
  6. CHECK STEERING SWITCH GROUND CIRCUIT 
    1. Disconnect steering switch connector.
    2. Check harness between steering switch harness connector M444 terminal 3 (B) and ground.
      Fig 4: Checking Harness Between Steering Switch Harness Connector M444 Terminal 3 (B) And Ground
      G02039712Courtesy of NISSAN MOTOR CO., U.S.A.
      1. Continuity should exist. 

    OK or NG

    1. OK - Replace steering switch.
    2. NG - Repair or replace harness.