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Pinpoint Test E: The Demand Lighting Is Inoperative

WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 CHECK THE DEMAND LIGHTING FOR CORRECT OPERATION 
    NOTE: The battery saver relay must be activated on.
    • Open the glove compartment and observe the lamp on.
    • Operate the front row map lamps.
    • Are all the demand lights operating correctly? 
    1. Yes  : The demand lighting system is OK.
    2. No  : For a single lamp inoperative, GO to E2. For multiple lamps inoperative, GO to  E4 .
  2. E2 CHECK CIRCUIT 705 (LG/OG) FOR AN OPEN 
    NOTE: The battery saver relay must be activated on.
    • Disconnect: Inoperative Demand Lamp.
    • Disconnect: SJB C2280b.
    • Measure the resistance between the SJB C2280b pin 5, circuit 705 (LG/OG) harness side and the inoperative demand lamp, harness side. Refer to the following table for correct connector, pin and circuit.
      Location Connector Pin Circuit
      Glove Compartment C254 1 705 (LG/OG)
      Front Map Lamp(s) C931b 1 705 (LG/OG)
      Fig 1: Checking Circuit 705 (LG/OG) For An Open
      G03277274Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    1. Yes  : GO to E3.
    2. No  : REPAIR the circuit in question. CLEAR the DTCs. REPEAT the self-test.
  3. E3 CHECK CIRCUIT 705 (LG/OG) FOR A SHORT TO GROUND 
    • Measure the resistance between the SJB C2280b pin 5, circuit 705 (LG/OG) harness side and ground.
      Fig 2: Checking Circuit 705 (LG/OG) For A Short To Ground
      G03277275Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    1. Yes  : INSTALL a new lamp and switch assembly in question. CLEAR the DTCs. REPEAT the self-test.
    2. No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  4. E4 CHECK CIRCUIT 705 (LG/OG) FOR AN OPEN 
    NOTE: The battery saver relay must be activated on.
    • Disconnect: Inoperative Demand Lamp.
    • Disconnect: SJB C2280b.
    • Measure the resistance between the SJB C2280b pin 5, circuit 705 (LG/OG), harness side and the inoperative demand lamp, harness side. Refer to the following table for correct connector, pin and circuit.
      Location Connector Pin Circuit
      Glove Compartment C254 1 705 (LG/OG)
      Front Map Lamp(s) C931b 1 705 (LG/OG)
      Fig 3: Checking Circuit 705 (LG/OG) For An Open
      G03277276Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    1. Yes  : GO to E5.
    2. No  : REPAIR the circuit in question. CLEAR the DTCs. REPEAT the self-test.
  5. E5 CHECK CIRCUIT 705 (LG/OG) FOR A SHORT TO GROUND 
    • Measure the resistance between the SJB C2280b pin 5, circuit 705 (LG/OG), harness side and ground.
      Fig 4: Checking Circuit 705 (LG/OG) For A Short To Ground
      G03277277Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    1. Yes  : GO to E6.
    2. No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  6. E6 CHECK THE BATTERY SAVER RELAY 
    • Key in OFF position.
    • Disconnect: Battery Saver Relay.
    • Carry out the relay component test.

      Refer to the appropriate SYSTEM WIRING DIAGRAMS for schematic and connector information.

    • Does the battery saver relay pass the component test? 
    1. Yes  : GO to E7.
    2. No  : INSTALL a new battery saver relay. CLEAR the DTCs. REPEAT the self-test.
  7. E7 CHECK FOR CORRECT SJB OPERATION 
    • Disconnect all the SJB connectors.
    • Check for:
      • Corrosion
      • Pushed-out pins
    • Connect all 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 CONTROL MODULES .

      CLEAR the DTCs. REPEAT the self-test.

    2. No  : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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