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Mirror Sensor LH Circuit Check

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DOOR MIRROR FUNCTION 

    Check the following items.

    Operation malfunction in memory control

    NOTE: If a door mirror face position is set to an implausible angle, the set position may not be reproduced.

    OK or NG

    1. OK: GO TO 2.
    2. NG: Repair the malfunctioning parts, and check the symptom again.
  2. CHECK MIRROR SENSOR INSPECTION 

    With CONSULT-II 

    Check that "ON" is displayed on "MIR/SE LH R-L, MIR/SE LH U-D" in the DATA MONITOR.

    TERMINAL VOLTAGE

    Monitor item [OPERATION or UNIT] Contents
    MIR/SEN LH R-L "V" Voltage output from door mirror LH sensor (LH/RH) displayed.
    MIR/SEN LH U-D "V" Voltage output from door mirror LH sensor (UP/DOWN) is displayed.

    Without CONSULT-II 

    Fig 1: Display DATA MONITOR
    G03500377Courtesy of NISSAN MOTOR CO., U.S.A.
    1. Turn ignition switch ACC.
    2. Check voltage between door mirror LH connector and ground.
    TERMINAL VOLTAGE

    Connector Terminals (Wire color) Condition Voltage (V) (Approx,)
    (+) (-)
    D4 7(G) Ground When motor is LEFT or RIGHT operation Changes between 3.4 (close to right edge) -0.6 (close to left edge)
    5 (W/L) When motor is UP or DOWN operation Changes between 3.4 (close to peak) -0.6 (close to valley)

    OK or NG

    1. OK: Mirror sensor LH is OK.
    2. NG: GO TO 3.
    Fig 2: Checking Voltage Between Door Mirror LH Connector & Ground
    G03500378Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK HARNESS CONTINUITY 
    1. Disconnect automatic drive positioner control unit and door mirror LH.
    2. Check continuity between automatic drive positioner control unit connector M42 terminal 33 (W/L), 41 (V) and door mirror LH connector D2 terminal 5 (W/L), 8 (V).
      1. 33 (W/L) - 5 (W/L): Continuity should exist. 
      2. 41 (V) - 8 (V): Continuity should exist. 
    3. Check continuity between automatic drive positioner control unit connector M42 terminal 33 (W/L), 41 (V) and ground.
      1. 33 (W/L) - Ground: Continuity should not exist. 
      2. 41 (V) - Ground: Continuity should not exist. 

    OK or NG

    1. OK: GO TO 4.
    2. NG: Repair or replace harness.
    Fig 3: Checking Continuity Between Automatic Drive Positioner Control Unit Connector & Ground
    G03500379Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK HARNESS CONTINUITY 2 
    1. Disconnect automatic drive positioner control unit and door mirror LH.
    2. Check continuity between automatic drive positioner control unit connector M41 terminal 6 (L/Y), 22 (G) and door mirror LH connector D4 terminal 6 (L/Y), 7 (G).
      1. 6 (L/Y) - 6 (L/Y): Continuity should exist. 
      2. 22 (G) - 7 (G): Continuity should exist. 
    3. Check continuity between automatic drive positioner control unit connector M41 terminal 6 (L/Y), 22 (G) and ground.
      1. 6 (L/Y) - Ground: Continuity should not exist. 
      2. 22 (G) - Ground: Continuity should not exist. 

      OK or NG

      1. OK: Replace door mirror LH.
      2. NG: Repair or replace harness.
    Fig 4: Checking Continuity Between Automatic Drive Positioner Control Unit Connector & Ground
    G03500380Courtesy of NISSAN MOTOR CO., U.S.A.
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