LEMON Manuals: Even more car manuals for everyone
Home >> Lincoln >> 2009 >> MKX FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1132 (Instrument Cluster System And Panel Illumination) >> Diagnostic Tests >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test D: The Steering Wheel Control Illumination Is Inoperative >> Pinpoint Test D: The Steering Wheel Control Illumination Is Inoperative

Pinpoint Test D: The Steering Wheel Control Illumination Is Inoperative

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.
CAUTION: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. D1 CHECK THE OTHER DIMMABLE LIGHTING SWITCHES 
    • Key in OFF position.
    • Place the headlamp switch in the PARKING LAMPS ON position.
    • Rotate the instrument panel dimmer switch to the full illumination position and observe other dimmable switches (door lock switches, hazard lamp switch, headlamp switch for example).
    • Are all the dimmable switches inoperative? 
    1. YES  : Go to Pinpoint Test A .
    2. NO  : Go to  D2.
  2. D2 CHECK CIRCUIT VLN04 (VT/GY) (EDGE) OR CIRCUIT VLN37 (BU/WH) (MKX) FOR AN OPEN 
    • Place the headlamp switch in the OFF position.
    • Depower the supplemental restraint system (SRS). Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
    • Disconnect: Clockspring C218a
    • Connect the battery ground cable.
    • Place the headlamp switch in the PARKING LAMPS ON position.
    • Rotate the instrument panel dimmer switch to the full illumination position.
      • Fig 1: Measuring Voltage Between Clockspring C218A-16, Circuit VLN04 (VT/GY) (Edge) Or Circuit VLN37 (BU/WH) (MKX)
      GF0023326Courtesy of FORD MOTOR CO.
    • Measure the voltage between the clockspring C218a-16, circuit VLN04 (VT/GY) (Edge) or circuit VLN37 (BU/WH) (MKX), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : TURN the parking lamps off. Go to  D3 .
    2. NO  : REPAIR the circuit. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
  3. D3 CHECK CIRCUIT GD116 (BK/VT) FOR AN OPEN 
      Fig 2: Measuring Resistance Between Clockspring C218A-7, Circuit GD116 (BK/VT) & Ground
      GF0030360Courtesy of FORD MOTOR CO.
    • Measure the resistance between the clockspring C218a-7, circuit GD116 (BK/VT), harness side and ground.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  D4.
    2. NO  : REPAIR the circuit. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
  4. D4 CHECK THE CLOCKSPRING FOR AN OPEN 
    • Remove the driver air bag module. Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
    • Disconnect: Upper Clockspring Connector C218b
      • Fig 3: Measuring Resistance Between Clockspring C218A Pin 16, C218B Pin 7, C218A Pin 7, & C218B Pin 2
      GF0030361Courtesy of FORD MOTOR CO.
    • Measure the resistance between the clockspring C218a pin 16, component side and the upper clockspring connector C218b pin 7, component side; and between the clockspring C218a pin 7, component side and the upper clockspring connector C218b pin 2, component side.
    • Are the resistances less than 5 ohms? 
    1. YES  : Go to  D5.
    2. NO  : INSTALL a new clockspring. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . INSTALL the driver air bag module. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
  5. D5 CHECK STEERING WHEEL HARNESS CIRCUIT VLN04 (VT/GY) (EDGE) OR CIRCUIT VLN37 (BU/WH) (MKX) FOR AN OPEN 
    • Disconnect: LH Steering Wheel Switches C2998
    • Disconnect: RH Steering Wheel Switches C2999
      • Fig 4: Measuring Resistance Between Upper Clockspring Connector C218B-7, Circuit VLN04 (VT/GY) & LH Steering Wheel Switches C2998-2
      GF0032207Courtesy of FORD MOTOR CO.
    • Measure the resistance between the upper clockspring connector C218b-7, circuit VLN04 (VT/GY), harness side and the LH steering wheel switches C2998-2, circuit VLN04 (VT/GY), harness side; and between the upper clockspring connector C218b-7, circuit VLN04 (VT/GY), harness side and the RH steering wheel switches C2999-1, circuit VLN04 (VT/GY), harness side.
    • Are the resistances less than 5 ohms? 
    1. YES  : Go to  D6.
    2. NO  : REPAIR the circuit in question. INSTALL the driver air bag module. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
  6. D6 CHECK CIRCUIT GD165 (BK) FOR AN OPEN 
      Fig 5: Measuring Resistance Between Clockspring C218B-2, Circuit GD165 (BK) & LH Steering Wheel Switch C2998-4
      GF0032208Courtesy of FORD MOTOR CO.
    • Measure the resistance between the clockspring C218b-2, circuit GD165 (BK), harness side, and the LH steering wheel switch C2998-4, circuit GD165 (BK), harness side; and between the clockspring C218b-2, circuit GD165 (BK), harness side, and the RH steering wheel switch C2999-3, circuit GD165 (BK), harness side.
    • Is the resistance less than 5 ohms? 
    1. YES  : INSTALL a new speed control switch or audio steering wheel controls as necessary. REFER to SPEED CONTROL or INFORMATION AND ENTERTAINMENT SYSTEMS . INSTALL the driver air bag module. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
    2. NO  : REPAIR the circuit. INSTALL the driver air bag module. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . TEST the system for normal operation.
scientia non olet · About LEMON Manuals