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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System-General Information And Diagnosis >> Diagnosis And Testing >> Climate Control System >> Pinpoint Tests >> Pinpoint Test G: Air Conditioning (A/C) and Recirc Modes Are Inoperative >> Pinpoint Test G: Air Conditioning (A/C) And RECIRC Modes Are Inoperative

Pinpoint Test G: Air Conditioning (A/C) And RECIRC Modes Are Inoperative

  1. G1 CHECK CIRCUIT 29-FA13 (OG) FOR VOLTAGE 
    • Disconnect: A/C Switch Assembly C2263.
    • Key in ON position.
    • Measure the voltage between function selector switch C2263-8, circuit 29-FA13 (OG) and ground.
      Fig 1: Checking Circuit 29-FA13 (OG) For Voltage
      G04653696Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 

    Yes  : GO to  G2.

    No  : VERIFY the central junction box (CJB) fuse 36 (7.5A) is OK. If OK, REPAIR circuit 29-FA13 (OG) for an open. TEST the system for normal operation.

  2. G2 CHECK CIRCUIT 91-FA13 (BK/OG) FOR GROUND 
    • Key in OFF position.
    • Measure the resistance between function selector switch C2263-12, circuit 91-FA13 (BK/OG) and ground.
      Fig 2: Checking Circuit 91-FA13 (BK/OG) For Ground
      G04653697Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 

    Yes  : INSTALL a new function selector switch. TEST the system for normal operation.

    No  : REPAIR circuit 91-FA13 (BK/OG) for an open. TEST the system for normal operation.

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