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Pinpoint Test E: A Single Power Window Is Inoperative - RH Front, MKX

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 CHECK THE LH FRONT WINDOW CONTROL SWITCH OPERATION 
    • Attempt to operate the RH window using the LH front power window control switch.
    • Does the RH window operate when using the LH front power window control switch? 
    1. YES  : Go to  E7.
    2. NO  : Go to  E2.
  2. E2 CHECK THE POWER TO THE WINDOW MOTOR 
    • Key in OFF position.
    • Disconnect: RH Front Window Motor C646
      • Fig 1: Measuring Resistance Between RH Front Window Motor C646-1, Circuit SBP01 (RD)
      GF0030907Courtesy of FORD MOTOR CO.
    • Measure the voltage between RH front window motor C646-1, circuit SBP01 (RD), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  E3.
    2. NO  : VERIFY smart junction box (SJB) fuse 1 (30A) is OK. If OK, REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the RH front window motor. REFER to Window Motor Initialization . TEST the system for normal operation.
  3. E3 CHECK CIRCUIT CBP41 (BU) FOR AN OPEN 
    • Key in ON position.
      • Fig 2: Measuring Resistance Between RH Front Window Motor C646-3, Circuit CBP41 (BU)
      GF0030908Courtesy of FORD MOTOR CO.
    • Measure the voltage between RH front window motor C646-3, circuit CBP41 (BU), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  E4.
    2. NO  : REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the RH front window motor. REFER to Window Motor Initialization . TEST the system for normal operation.
  4. E4 CHECK CIRCUIT GD140 (BK/GN) FOR AN OPEN 
      Fig 3: Measuring Resistance Between RH Front Window Motor C646-4, Circuit GD140 (BK/GN)
      GF0030909Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH front window motor C646-4, circuit GD140 (BK/GN), harness side and ground.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  E5.
    2. NO  : REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the RH front window motor. REFER to Window Motor Initialization . TEST the system for normal operation.
  5. E5 CHECK THE LH FRONT WINDOW CONTROL SWITCH-TO-RH FRONT WINDOW MOTOR FEEDS 
    • Disconnect: LH Front Window Control Switch C535A
      • Fig 4: Measuring Resistance Between RH Front Window Motor C646-6, Circuit CPW12 (GN/OG)
      GF0030916Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH front window motor C646-6, circuit CPW12 (GN/OG), harness side and LH front window control switch C535A-2, circuit CPW12 (GN/OG), harness side.
      • Fig 5: Measuring Resistance Between RH Front Window Motor C646-2, Circuit CPW31 (GN/WH)
      GF0030917Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH front window motor C646-2, circuit CPW31 (GN/WH), harness side and LH front window control switch C535A-1, circuit CPW31 (GN/WH), harness side.
      • Fig 6: Measuring Resistance Between RH Front Window Motor C646-5, Circuit CPW13 (BN/YE)
      GF0030918Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH front window motor C646-5, circuit CPW13 (BN/YE), harness side and LH front window control switch C535A-5, circuit CPW13 (BN/YE), harness side.
    • Are the resistances less than 5 ohms? 
    1. YES  : Go to  E6.
    2. NO  : REPAIR the circuit. DE-INITIALIZE, then INITIALIZE the RH front window motor. REFER to Window Motor Initialization . TEST the system for normal operation.
  6. E6 CHECK THE LH FRONT WINDOW CONTROL SWITCH 
    • Carry out the LH Front Window Control Switch Component Test. Refer to COMPONENT TESTING.
    • Did the window control switch pass the component test? 
    1. YES  : INSTALL a new RH front window motor. REFER to Glass, Frames and Mechanisms - Exploded View, Front Door  and Window Regulator and Motor - Front Door . INITIALIZE the RH front window motor. REFER to Window Motor Initialization . TEST the system for normal operation.
    2. NO  : INSTALL a new LH front window control switch. REFER to Window Control Switch . INITIALIZE the RH front window motor. REFER to Window Motor Initialization . TEST the system for normal operation.
  7. E7 CHECK CIRCUIT CBP41 (BU) FOR VOLTAGE 
    • Disconnect: RH Front Window Control Switch C648
    • Key in ON position.
      • Fig 7: Measuring Resistance Between RH Front Window Motor C648-2, Circuit CBP41 (BU)
      GF0028364Courtesy of FORD MOTOR CO.
    • Measure the voltage between RH front window control switch C648-2, circuit CBP41 (BU), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  E8.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  8. E8 CHECK THE LH FRONT WINDOW CONTROL SWITCH-TO-RH FRONT WINDOW CONTROL SWITCH CIRCUITS 
    • Key in OFF position.
    • Disconnect: LH Front Window Control Switch C535A
      • Fig 8: Measuring Resistance Between RH Front Window Motor C648-5, Circuit CPW12 (GN/OG)
      GF0028365Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH front window control switch C648-5, circuit CPW12 (GN/OG), harness side and LH front window control switch C535A-2, circuit CPW12 (GN/OG), harness side.
      • Fig 9: Measuring Resistance Between RH Front Window Motor C648-4, Circuit CPW31 (GN/WH)
      GF0028366Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH front window control switch C648-4, circuit CPW31 (GN/WH), harness side and LH front window control switch C535A-1, circuit CPW31 (GN/WH), harness side.
      • Fig 10: Measuring Resistance Between RH Front Window Motor C648-3, Circuit CPW13 (BN/YE)
      GF0028367Courtesy of FORD MOTOR CO.
    • Measure the resistance between RH front window control switch C648-3, circuit CPW13 (BN/YE), harness side and LH front window control switch C535A-5, circuit CPW13 (BN/YE), harness side.
    • Are the resistances less than 5 ohms? 
    1. YES  : INSTALL a new RH front window control switch. REFER to Window Control Switch . TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
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