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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 942 (Instrument Cluster System And Panel Illumination) >> Diagnostic Tests >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test C: The Climate Control Illumination Is Inoperative >> Pinpoint Test C: The Climate Control Illumination Is Inoperative

Pinpoint Test C: The Climate Control Illumination Is Inoperative

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Use the correct probe adaptor(s) when making measurements. Failure to use the correct probe adaptor(s) may damage the connector.
  1. C1 CHECK CIRCUIT VLN18 (BU/WH) FOR AN OPEN 
    • Disconnect: Climate Control C294b
    • 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 Climate Control C294B-1, Circuit VLN18 (BU/WH) & Ground
      GF0010961Courtesy of FORD MOTOR CO.
    • Measure the voltage between the climate control C294b-1, circuit VLN18 (BU/WH), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  C2.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  2. C2 CHECK CIRCUIT GD161 (BK/YE) FOR AN OPEN 
      Fig 2: Measuring Resistance Between Climate Control C294B-2, Circuit GD161 (BK/YE) & Ground
      GF0010962Courtesy of FORD MOTOR CO.
    • Measure the resistance between the climate control C294b-2, circuit GD161 (BK/YE), harness side and ground.
    • Is the resistance less than 5 ohms? 
    1. YES  : INSTALL a new climate control function selector switch. REFER to CLIMATE CONTROL . TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
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