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Combination Switch Inspection

WARNING: This page is about a different car, the 2004 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. SYSTEM CHECK 
    1. Referring to table below, check which system malfunctioning switch belongs to.
    SYSTEM CHECKING REFERENCE

    System 1 System 2 System 3 System 4 System 5
    - FR WASHER FR WIPER LO TURN LH TURN RH
    FR WIPER HI - FR WIPER INT PASSING HEAD LAMP1
    INT VOLUME 1 RR WASHER - HEAD LAMP2 HI BEAM
    RR WIPER INT INT VOLUME 3 AUTO LIGHT - TAIL LAMP
    INT VOLUME 2 RR WIPER ON - FRFOG -
    1. Check the system to which malfunctioning switch belongs, and GO TO 2.
  2. SYSTEM CHECK 

    With CONSULT-II 

    CAUTION: If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
    1. Connect CONSULT-II, and select "COMB SW" on "SELECT TEST ITEM" screen.
    2. Select "DATA MONITOR".
    3. Select "START", and confirm that other switches in malfunctioning system operate normally.

      Example: When auto light switch is malfunctioning, confirm that "FRONT WIPER LOW" and "FRONT WIPER INT" in System 3, to which the auto light switch belongs, turn ON-OFF normally.

      Fig 1: Displaying Data Monitor
      G03496922Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II

    Operate combination switch, and confirm that other switches in malfunctioning system operate normally.

    Example: When auto light switch is malfunctioning, confirm that FRONT WIPER LOW and FRONT WIPER INT in System 3, to which the auto light switch belongs, operate normally.

    Check results

    1. Other switches in malfunctioning system operate normally. :Replace lighting switch or wiper switch.
    2. Other switches in malfunctioning system do not operate normally. :GO TO 3.
  3. HARNESS INSPECTION 
    1. Disconnect BCM and combination switch connectors.
    2. Check for continuity between BCM harness connector of the suspect system and the corresponding combination switch connector terminals.
      SUSPECT SYSTEM TERMINALS CONTINUITY

      Suspect system Terminals Continuity
      BCM Combination switch
      Connector Terminal (Wire color) Connector Terminal (Wire color)
      1 M18 Input 1 6 (V) M28 6 (V) Yes
      Output 1 36 (R/W) 1 (RAN)
      2 Input 2 5 (G/B) 7 (G/B)
      Output 2 35 (O/B) 2 (O/B)
      3 Input 3 4(Y) 10 (Y)
      Output 3 34 (L) 3(L)
      4 Input 4 3(G/Y) 9 (G/Y)
      Output 4 33(R/Y) 4(R/Y)
      5 Input 5 2 (SB) 8 (SB)
      Output 5 32 (R/G) 5 (R/G)
      Fig 2: Checking For Continuity Between BCM Harness Connector Of Suspect System
      G03496923Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check for continuity between each terminal of BCM harness connector in suspect malfunctioning system and ground.
    SUSPECT SYSTEM TERMINALS CONTINUITY

    Suspect system Terminals Continuity
    BCM(+)
    Terminal (Wire color)
    1 M18 Input 1 6(V) Ground No
    Output 1 36(R/W)
    2 Input 2 5 (G/B)
    Output 2 35 (O/B)
    3 Input 3 4(Y)
    Output 3 34 (L)
    4 Input 4 3 (G/Y)
    Output 4 33 (R/Y)
    5 Input 5 2 (SB)
    Output 5 32 (R/G)

    OK or NG

    1. OK: GO TO 4.
    2. NG: Check harness between BCM and combination switch for open or short circuit.
  4. BCM OUTPUT TERMINAL INSPECTION 
    1. Turn lighting switch and wiper switch to OFF.
    2. Set wiper dial to position 4.
    3. Connect BCM and combination switch connectors, and check BCM output terminal voltage waveform of suspect malfunctioning system.
    SUSPECT SYSTEM TERMINALS

    Suspect system Terminals
    Combination switch(+)
    Connector Terminal (Wire color)
    1 M28 Output 1 1 (R/W)
    2 Output 2 2 (O/B)
    3 Output 3 3 (L)
    4 Output 4 4 (R/Y)
    5 Output 5 5 (R/G)

    OK or NG

    1. OK: Open circuit in combination switch, GO TO 5.
    2. NG: Replace BCM.
    Fig 3: Inspecting BCM Output Terminal
    G03496924Courtesy of NISSAN MOTOR CO., U.S.A.
  5. COMBINATION SWITCH INSPECTION 

    Referring to table below, perform combination switch inspection.

    COMBINATION SWITCH INSPECTION REFERENCE

    Procedure
    1 2 3 4 5 6 7
    Replace lighting switch. Confirm check results. OK INSPECTION END Confirm check results. OK INSPECTION END Confirm check results. OK INSPECTION END
    NG Replace wiper switch. NG Replace switch base. NG Confirm symptom again.
    1. INSPECTION END.
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