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Pinpoint Test C: A Single Power Window Is Inoperative - Rear Quarter

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
NOTE: If smart junction box (SJB) on-demand DTC B1141 or B1142 is present, the rear quarter windows may still function during convertible top operation, but will not function when commanded by the window control switch. Refer to the Smart Junction Box (SJB) DTC Chart for diagnosis.
  1. C1 CARRY OUT THE ON-DEMAND SELF TEST FOR THE CONVERTIBLE TOP AJAR SWITCH 
    NOTE: False DTCs will set if the convertible top is not in the full down position before carrying out this test.
    • Connect the diagnostic tool.
    • Key in ON position.
    • With the convertible top and the rear windows in the full down position, carry out the on-demand self test for the SJB.
    • Does DTC B1141 or DTC B1142 set as current? 
    1. YES  : Go to Pinpoint Test J .
    2. NO  : Go to  C2.
  2. C2 CHECK THE OPERATION OF THE REAR WINDOWS 
    • Operate the rear windows with the driver rear window control switch.
    • Are both rear windows inoperative? 
    1. YES  : Go to  C3.
    2. NO  : Go to  C6.
  3. C3 CHECK THE REAR WINDOW CONTROL SWITCH FOR AN OPEN 
    • Carry out the Window Control Switch Component Test. Refer to COMPONENT TESTING.
    • Is the window control switch OK? 
    1. YES  : Go to  C4.
    2. NO  : INSTALL a new window control switch. REFER to Window Control Switch . TEST the system for normal operation.
  4. C4 CHECK CIRCUIT 333 (YE/RD) FOR VOLTAGE 
    • Key in ON position.
      • Fig 1: Checking Circuit 333 (YE/RD) For Voltage
      GF0014795Courtesy of FORD MOTOR CO.
    • Measure the voltage between rear window control switch C566-5, circuit 333 (YE/RD), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  C6.
    2. NO  : Go to  C5 .
  5. C5 CHECK CIRCUIT 333 (YE/RD) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: SJB C2280e
      • Fig 2: Checking Circuit 333 (YE/RD) For Open
      GF0014797Courtesy of FORD MOTOR CO.
    • Measure the resistance between rear window control switch C566-5, circuit 333 (YE/RD), harness side and SJB C2280e-23, circuit 333 (YE/RD), harness side.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  C12.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  6. C6 CHECK CIRCUIT 1205 (BK) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: Suspect Window Motor
      • Fig 3: Checking Circuit 1205 (BK) For An Open
      GF0014793Courtesy of FORD MOTOR CO.
    • Measure the resistance between LH rear window motor C3118-8, or RH rear window motor C3119-8, circuit 1205 (BK), harness side and ground.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  C7.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  7. C7 CHECK THE VBATT CIRCUIT FOR AN OPEN 
    • Key in ON position.
      • Fig 4: Checking Vbatt Circuit For An Open
      GF0014791Courtesy of FORD MOTOR CO.
    • Measure the voltage between LH rear window motor, C3118-7, or RH rear window motor C3119-7, circuit 1670 (BN/YE), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  C8.
    2. NO  : For LH, VERIFY the bussed electrical center (BEC) fuse 11 (30A) is OK. For RH, VERIFY the BEC fuse 12 (30A) is OK. If OK, REPAIR the circuit. TEST the system for normal operation.
  8. C8 CHECK CIRCUIT 885 (YE/LB) FOR AN OPEN 
      Fig 5: Checking Circuit 885 (YE/LB) For An Open
      GF0014788Courtesy of FORD MOTOR CO.
    • While rocking the rear window control switch to the down position, measure the voltage between LH rear window motor C3118-4, or RH rear window motor C3119-4, circuit 885 (YE/LB), harness side and ground.
    • Is the voltage greater than 10 volts with the switch in the DOWN position? 
    1. YES  : Go to  C9.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  9. C9 CHECK CIRCUIT 884 (YE/BK) FOR AN OPEN 
      Fig 6: Checking Circuit 884 (YE/BK) For An Open
      GF0014789Courtesy of FORD MOTOR CO.
    • While rocking the passenger window control switch to the UP position, measure the voltage between LH rear window motor C3118-3, or RH rear window motor C3119-3, circuit 884 (YE/BK), harness side and ground.
    • Is the voltage greater than 10 volts with the switch in the UP position? 
    1. YES  : Go to  C10.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  10. C10 CHECK CIRCUIT 882 (BN/YE) FOR VOLTAGE 
      Fig 7: Checking Circuit 882 (BN/YE) For Voltage
      GF0014792Courtesy of FORD MOTOR CO.
    • Measure the voltage between LH rear window motor C3118-2, or RH rear window motor C3119-2, circuit 882 (BN/YE), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : INSTALL a new rear quarter window regulator and motor. REFER to Window Regulator Motor - Rear Quarter . TEST the system for normal operation.
    2. NO  : Go to  C11.
  11. C11 CHECK CIRCUITS 193 (YE/LG) OR 882 (BN/YE) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: SJB C2280e
      • Fig 8: Checking Circuits 882 (BN/YE) Or 193 (YE/LG) For An Open
      GF0014798Courtesy of FORD MOTOR CO.
    • Measure the resistance between LH rear window motor C3118-2, circuit 882 (BN/YE), harness side and SJB C2280e-17, circuit 193 (YE/LG), harness side; or between RH rear window motor C3119-2, circuit 882 (BN/YE), harness side and SJB C2280e-16, circuit 882 (BN/YE), harness side.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  C12.
    2. NO  : REPAIR the circuit in question. TEST the system for normal operation.
  12. C12 CHECK THE SJB FOR CORRECT OPERATION 
    • Disconnect all of the SJB connectors.
    • Check for:
      • corrosion.
      • pushed-out pins.
    • Connect all of the SJB connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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