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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 799 (Exterior Lighting) >> Diagnosis And Testing >> Turn Signal and Hazard Lamps >> Pinpoint Tests >> Pinpoint Test L: The Turn Signal Lamps Are Inoperative >> Pinpoint Test L: The Turn Signal Lamps Are Inoperative

Pinpoint Test L: The Turn Signal Lamps Are Inoperative

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. L1 CHECK FOR CORRECT HIGH BEAM OPERATION 
    • Place the headlamp switch in the HEADLAMPS ON position.
    • Place the multifunction switch in the HIGH BEAM position while observing the high beam headlamps.
    • Do the high beams operate correctly? 

    Yes  : PLACE the headlamp switch in the OFF position. GO to L2.

    No  : REFER to HEADLAMPS  to continue diagnosis of the high beam headlamps.

  2. L2 CHECK THE MULTIFUNCTION SWITCH 
    • Key in OFF position.
    • Disconnect: Multifunction Switch C202.
    • Carry out the multifunction switch component test. Refer to COMPONENT TESTING .
    • Is the multifunction switch OK? 

    Yes  : GO to L3.

    No  : INSTALL a new multifunction switch. REFER to STEERING COLUMN SWITCHES . TEST the system for normal operation.

  3. L3 CHECK CIRCUIT CLS39 (VT/WH) (LH TURN SIGNAL) OR CLS41 (GY/YE) (RH TURN SIGNAL) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: SJB 2280d.
    • Key in ON position.
    • Measure the resistance between the multifunction switch C202-2 (LH turn lamps), circuit CLS39 (VT/WH), harness side and the SJB C2280d-14, circuit CLS39 (VT/WH), harness side; or between the multifunction switch C202-3 (RH turn lamps), circuit CLS41 (GY/YE), harness side and the SJB C2280d-24, circuit CLS41 (GY/YE), harness side.
      Fig 1: Checking Circuit CLS39 (VT/WH) (LH Turn Signal) Or CLS41 (GY/YE) (RH Turn Signal) For Open
      G04682827Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 

    Yes  : GO to L4.

    No  : REPAIR the circuit. TEST the system for normal operation.

  4. L4 CHECK FOR CORRECT SJB OPERATION 
    • Key in OFF position.
    • 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? 

    Yes  : INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC CONTROL MODULES . TEST the system for normal operation.

    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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