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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 964 (Climate Control System - General Information And Diagnostics - (Except Hybrid)) >> Diagnostic Tests >> Climate Control System >> Pinpoint Tests >> Pinpoint Test G: No Operation in High Blower Setting >> Pinpoint Test G: No Operation In High Blower Setting

Pinpoint Test G: No Operation In High Blower Setting

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. G1 CHECK THE BLOWER MOTOR SPEED 
    • Key in ON position.
    • Turn the function selector switch to the FLOOR position.
    • Set the blower motor speed to maximum.
    • Does the blower motor operate at maximum speed? 
    1. YES  : CYCLE the heater blower motor switch from high to low several times. If the blower motor operates correctly each time, ADVISE the owner of system operation.

      If the blower motor does not operate correctly each time, INSTALL a new blower motor switch. REFER to CLIMATE CONTROL article. TEST the system for normal operation.

    2. NO  : Go to  G2.
  2. G2 CHECK CIRCUIT 261 (OG/BK) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: Blower Motor Resister C293
    • Disconnect: Blower Motor C2066
      • Fig 1: Checking Circuit For Open
      GF0025667Courtesy of FORD MOTOR CO.
    • Measure the resistance between blower motor C2066-2, circuit 261 (OG/BK), harness side and blower motor switch C294b-a, circuit 261 (OG/BK).
    • Is the resistance less than 5 ohms? 
    1. YES  : INSTALL a new blower motor switch. REFER to CLIMATE CONTROL article. TEST the system for normal operation.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
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