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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1831 (Exterior Lighting System) >> Diagnostic Tests >> Reversing Lamps >> Pinpoint Tests >> Pinpoint Test U: The Reversing Lamps Are On Continuously >> Pinpoint Test U: The Reversing Lamps Are On Continuously

Pinpoint Test U: The Reversing Lamps Are On Continuously

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. U1 CHECK THE DIGITAL TR SENSOR OR REVERSING LAMP SWITCH 
    • Key in OFF position.
    • Disconnect: Digital TR Sensor C167 or Reversing Lamp Switch C169
    • Key in ON position.
    • Do the reversing lamps continue to illuminate? 
    1. YES  : Go to  U2.
    2. NO  : For vehicles equipped with an automatic transmission, INSTALL a new digital TR sensor. REFER to AUTOMATIC TRANSAXLE/TRANSMISSION - 4R70E/4R75E article. TEST the system for normal operation.

      For vehicles equipped with a manual transmission, INSTALL a new reversing lamp switch. TEST the system for normal operation.

  2. U2 CHECK THE CJB 
    • Key in OFF position.
    • Disconnect: CJB C270b
    • Key in ON position.
    • Do the reversing lamps continue to illuminate? 
    1. YES  : Go to  U3.
    2. NO  : REPAIR or INSTALL a new CJB. TEST the system for normal operation.
  3. U3 CHECK THE PARKING AID MODULE 
    • Key in OFF position.
    • Disconnect: Parking Aid Module C2023
    • Key in ON position.
    • Do the reversing lamps continue to illuminate? 
    1. YES  : Go to  U4.
    2. NO  : Go to  U5.
  4. U4 CHECK CIRCUIT 1043 (DG/YE) FOR A SHORT TO VOLTAGE 
    • Key in OFF position.
    • Disconnect: Electrochromatic Mirror C911
    • Key in ON position.
    • Do the reversing lamps continue to illuminate? 
    1. YES  : REPAIR the circuit. TEST the system for normal operation.
    2. NO  : INSTALL a new inside mirror. REFER to REAR VIEW MIRRORS article. TEST the system for normal operation.
  5. U5 CHECK FOR CORRECT PARKING AID MODULE OPERATION 
    • Disconnect all the parking aid module connectors.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • Connect all the parking aid module 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 parking aid module. REFER to PARKING AID article. 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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