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Home >> Ford >> 2005 >> Escape Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (HVAC Control System - General Information (Hybrid)) >> Diagnosis And Testing >> Climate Control System >> Pinpoint Test D: Insufficient, Erratic, or No Heat >> Pinpoint Test D: Insufficient, Erratic, Or No Heat

Pinpoint Test D: Insufficient, Erratic, Or No Heat

WARNING: This page is about a different variant/trim than selected.
  1. D1 USE THE RECORDED DTCs FROM THE PCM SELF-TEST 
    • Using the recorded results from the PCM self-test:
    • Is DTC P2600 retrieved? 
  2. D2 CHECK FOR CORRECT ENGINE COOLANT LEVEL 
    • Key in OFF position.
    • Check the engine coolant level at hot and cold temperatures.
    • Is the engine coolant at the correct level (hot/cold) in the radiator coolant recovery reservoir? 
    • Yes  : GO to  D4.
    • No  : GO to D3.
  3. D3 CHECK THE COOLANT SYSTEM INCLUDING THE RADIATOR CAP FOR LEAKS 
    • Fill the engine cooling system to the specified level.
    • Pressure check the engine cooling system. Refer to ENGINE COOLING - HYBRID . It is not necessary to check components separately at this time.
    • Does the engine cooling system, including the radiator cap, hold pressure? 
    • Yes  : The system is operating normally at this time. The concern may have been caused by a low coolant level.
    • No  : REPAIR the engine cooling system. REFER to ENGINE COOLING - HYBRID . TEST the system for normal operation.
  4. D4 CHECK FOR HOT WATER TO THE HEATER CORE INLET HOSE 
    WARNING: The heater core hoses become too hot to handle and may cause serious burns if the system is working correctly.
    • Set the climate control to the warmest setting and the fan speed to the highest setting.
    • Start the engine and allow the engine to reach normal operating temperature.
    • Feel the heater core inlet hose.
      Fig 1: Checking For Hot Water To Heater Core Inlet Hose
      G03902210Courtesy of FORD MOTOR CO.
    • Is the heater core inlet hose too hot to handle? 
  5. D5 CHECK THE HEATER CORE OUTLET HOSE FOR HOT WATER 
    • Feel the heater core outlet hose.
      Fig 2: Checking Heater Core Outlet Hose For Hot Water
      G03902211Courtesy of FORD MOTOR CO.
    • Is the heater core outlet hose warm/hot? 
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