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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window System >> Limit Switch Circuit Check (Rear LH or RH)

Limit Switch Circuit Check (Rear LH or RH)

  1. LIMIT SWITCH SIGNAL CHECK 
    1. Turn the ignition switch ON.
    2. Check voltage between rear door control unit connector D58 (LH) or D78 (RH) terminal 16 and ground.
      Fig 1: Voltage Specification Between Rear Door Control Unit Connector D58 (LH) Or D78 (RH) Terminal And Ground
      G02045090Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Check Voltage Between Rear Door Control Unit Connector D58 (LH) Or D78 (RH) Terminal And Ground
      G02045091Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG? 

    1. OK >> Limit switch rear LH or RH is OK.
    2. NG >> GO TO 2
  2. LIMIT SWITCH GROUND CHECK 
    1. Turn ignition switch OFF.
    2. Disconnect rear power window regulator LH or RH connector.
    3. Check continuity between rear power window regulator LH or RH connector D57(LH) or D77(RH) terminal 4 and ground.
      1. 4 (B) - Ground : Continuity should exist. 
      Fig 3: Checking Continuity Between Rear Power Window Regulator LH Or RH Connector D57 (LH) Or D77 (RH) Terminal 4 And Ground
      G02045092Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG? 

    1. OK >> GO TO 3
    2. NG >> Repair or replace harness.
  3. CHECK REAR POWER WINDOW REGULATOR CIRCUIT 
    1. Disconnect rear door control unit LH or RH connector.
    2. Check continuity between rear power window regulator LH or RH connector D57(LH), D77(RH) terminal 2 and rear door control unit LH or RH connector D58(LH),D78(RH) terminal 16.
      1. 2 (OR) - 16 (OR) : Continuity should exist. 
      Fig 4: Checking Continuity Between Rear Power Window Regulator LH Or RH Connector D57 (LH), D77 (RH) Terminal 2 And Rear Door Control Unit LH Or RH Connector D58 (LH), D78 (RH) Terminal 16
      G02045093Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between rear power window regulator connector D57(LH), D77(RH) terminal 2 and ground.
      1. 2 (OR) - Ground : Continuity should not exist. 

    OK or NG? 

    1. OK >> GO TO 4.
    2. NG >> Repair or replace harness between rear door control unit LH or RH and rear power window regulator LH or RH.
  4. LIMIT SWITCH OUTPUT SIGNAL CHECK 
    1. Connect rear door control unit connector.
    2. Turn ignition switch ON.
    3. Check voltage between rear door control unit LH or RH connector D58 (LH), D78 (RH) terminal 16 and ground.
      1. 16 (OR)-Ground : Approx 5V 
      Fig 5: Checking Voltage Between Rear Door Control Unit LH Or RH Connector D58 (LH), D78 (RH) Terminal 16 And Ground
      G02045094Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK >> Replace rear power window regulator LH or RH.
    2. NG >> Replace rear door control unit LH or RH.