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Home >> Ford >> 2011 >> Escape Base, 2.5 7, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Climate Control System - General Information And Diagnostics - (Hybrid)) >> Diagnosis And Testing >> Climate Control System >> Pinpoint Tests >> Pinpoint Test D: DTCs B1A61:11 and 15 >> PINPOINT TEST D: DTCs B1A61:11 AND 15

PINPOINT TEST D: DTCs B1A61:11 AND 15

WARNING: This page is about a different variant/trim than selected.
  1. D1 CHECK THE SENSOR RESISTANCE 
    • Ignition OFF.
    • Disconnect: In-Vehicle Temperature/Humidity Sensor C2247.
    • Measure the resistance between in-vehicle temperature/humidity sensor C2247 terminals 1 and 3.
      Fig 1: Measuring Resistance Between In-Vehicle Temperature/Humidity Sensor C2247 Terminals 1 And 3
      G07440117Courtesy of FORD MOTOR CO.
    • Is the resistance within the specified values for these temperature ranges: 10-20°C (50-68°F), 37,000-58,000 ohms; 20-30°C (68-86°F), 24,000-37,000 ohms; 30-40°C (86-104°F), 16,000-24,000 ohms? 
    • Yes:  GO to D2  .
    • No:  INSTALL a new in-vehicle temperature/humidity sensor. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  2. D2 CHECK THE SENSOR OUTPUT VOLTAGE 
    • Ignition ON.
    • Measure the voltage between in-vehicle temperature/humidity sensor C2247-1, circuit VH414 (GN/BU), harness side and C2247-3, circuit RH111 (GY/BU), harness side.
      Fig 2: Measuring Voltage Between In-Vehicle Temperature/Humidity Sensor C2247-1, Circuit VH414 (GN/BU) And C2247-3, Circuit RH111 (GY/BU)
      G07440118Courtesy of FORD MOTOR CO.
    • Is the voltage between 4.7 and 5.1 volts? 
    • Yes:  INSTALL a new in-vehicle temperature/humidity sensor. CLEAR the DTCs. REPEAT the self-test. If code returns, GO to  D8.
    • No: For DTC B1A61:15  , GO to D3  .

      For DTC B1A61:11  , GO to  D6.

  3. D3 CHECK CIRCUIT VH414 (GN/BU) FOR A SHORT TO VOLTAGE 
    • Ignition OFF.
    • Disconnect: HVAC Module C2356A.
    • Disconnect: HVAC Module C2356B.
    • Ignition ON.
    • Measure the voltage between ground and HVAC module C2356B-21, circuit VH414 (GN/BU), harness side.
      Fig 3: Measuring Voltage Between Ground And HVAC Module C2356B-21, Circuit VH414 (GN/BU)
      G07440119Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes:  REPAIR circuit VH414 (GN/BU) for a short to voltage. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
    • No:  GO to D4  .
  4. D4 CHECK CIRCUIT VH414 (GN/BU) FOR AN OPEN 
    • Ignition OFF.
    • Measure the resistance between HVAC module C2356B-21, circuit VH414 (GN/BU), harness side and in-vehicle temperature sensor C2247-1, circuit VH414 (GN/BU), harness side.
      Fig 4: Measuring Resistance Between HVAC Module C2356B-21, Circuit VH414 (GN/BU) And In-Vehicle Temperature Sensor C2247-1, Circuit VH414 (GN/BU)
      G07440120Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to D5  .
    • No:  REPAIR circuit VH414 (GN/BU) for an open. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  5. D5 CHECK CIRCUIT RH111 (GY/BU) FOR AN OPEN 
    • Measure the resistance between HVAC module C2356A-10, circuit RH111 (GY/BU), harness side and in-vehicle temperature sensor C2247-3, circuit RH111 (GY/BU), harness side.
      Fig 5: Measuring Resistance Between HVAC Module C2356A-10, Circuit RH111 (GY/BU) And In-Vehicle Temperature Sensor C2247-3, Circuit RH111 (GY/BU)
      G07440121Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes:  GO to  D8.
    • No:  REPAIR circuit RH111 (GY/BU) for an open. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  6. D6 CHECK CIRCUIT VH414 (GN/BU) FOR A SHORT TO CIRCUIT RH111 (GY/BU) 
    • Ignition OFF.
    • Disconnect: HVAC Module C2356B.
    • Measure the resistance between in-vehicle temperature sensor C2247-1, circuit VH414 (GN/BU), harness side and C2247-3, circuit RH111 (GY/BU), harness side.
      Fig 6: Measuring Resistance Between In-Vehicle Temperature Sensor C2247-1, Circuit VH414 (GN/BU) And C2247-3, Circuit RH111 (GY/BU)
      G07440122Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to D7  .
    • No:  REPAIR circuit VH414 (GN/BU) for a short to circuit RH111 (GY/BU). CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  7. D7 CHECK CIRCUIT VH414 (GN/BU) FOR A SHORT TO GROUND 
    • Measure the resistance between HVAC module C2356B-21, circuit VH414 (GN/BU), harness side and ground.
      Fig 7: Measuring Resistance Between HVAC Module C2356B-21, Circuit VH414 (GN/BU) And Ground
      G07440123Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  GO to D8  .
    • No:  REPAIR circuit VH414 (GN/BU) for a short to ground. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  8. D8 CHECK THE MODULE CONNECTION 
    • Inspect the module connectors for:
      • corrosion.
      • pushed-out terminals.
      • damaged terminals.
    • Connect and correctly seat all the HVAC module connectors.
    • Clear the DTCs.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes:  INSTALL a new HVAC module. REFER to CLIMATE CONTROL article. TEST the system for normal operation.
    • No:  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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