LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2013 >> Edge SEL, 2.0L Eng VIN 9 >> Repair and Diagnosis >> External Pages >> Different car >> Section 229 (HVAC - Climate Control System - General Information And Diagnostics) >> 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 car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
  1. D1 CHECK THE IN-VEHICLE TEMPERATURE SENSOR RESISTANCE 
    • Ignition OFF.
    • Disconnect: In-Vehicle Temperature Sensor C233 (for 3.5L/3.7L engine) C2247 (for the 2.0L engine).
    • Carry out the IN-VEHICLE TEMPERATURE SENSOR  .

    Does the in-vehicle temperature sensor test OK? 

    1. Yes  : GO to D2  .
    2. No  : INSTALL a new in-vehicle temperature sensor. REFER to CLIMATE CONTROL . CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  2. D2 CHECK THE HVAC MODULE OUTPUT VOLTAGE 
    • Ignition ON.
    • For the 3.5L or 3.7L engine, measure the voltage between in-vehicle temperature sensor C233-2  , circuit VH414 (GN/BU), harness side and C233-1  , circuit RH111 (GY/BU), harness side.
      Fig 1: Measuring Voltage Between In-Vehicle Temperature Sensor C233-2, Circuit VH414 (GN/BU) And C233-1, Circuit RH111 (GY/BU)
      G06505282Courtesy of FORD MOTOR CO.
    • For the 2.0L engine, measure the voltage between in-vehicle temperature sensor C2247-1  , circuit VH414 (GN/BU), harness side and C2247-2  , circuit RH111 (GY/BU), harness side.
      Fig 2: Measuring Voltage Between In-Vehicle Temperature Sensor C2247-1, Circuit VH414 (GN/BU) And C2247-2, Circuit RH111 (GY/BU)
      G09297329Courtesy of FORD MOTOR CO.

    Is the voltage between 4.7 and 5.1 volts? 

    1. Yes  : INSTALL a new in-vehicle temperature sensor. REFER to CLIMATE CONTROL . CLEAR the DTCs. REPEAT the self-test. If the DTC returns, GO to  D7.
    2. No  : For DTC B1A61:11,  GO to  D5.

      For DTC B1A61:15,  GO to D3  .

  3. D3 CHECK THE IN-VEHICLE TEMPERATURE SENSOR FEEDBACK CIRCUIT FOR AN OPEN 
    • Ignition OFF.
    • Disconnect: HVAC Module - Dual Automatic Temperature Control (DATC) C228A.
    • Disconnect: HVAC Module - DATC  C228B.
    • For the 3.5L or 3.7L engine, measure the resistance between HVAC module - DATC C228B-29  , circuit VH414 (GN/BU), harness side and in-vehicle temperature sensor C233-2  , circuit VH414 (GN/BU), harness side.
      Fig 3: Measuring Resistance Between HVAC Module - DATC C228B-29 And In-Vehicle Temperature Sensor C233-2, Circuit VH414 (GN/BU)
      G09297330Courtesy of FORD MOTOR CO.
    • For the 2.0L engine, measure the resistance between HVAC module - DATC C228B-29  , 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 - DATC C228B-29 And In-Vehicle Temperature Sensor C2247-1, Circuit VH414 (GN/BU)
      G09297331Courtesy of FORD MOTOR CO.

    Is the resistance less than 5 ohms? 

    1. Yes  : GO to D4  .
    2. No  : REPAIR circuit VH414 (GN/BU) for an open. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  4. D4 CHECK THE SIGNAL RETURN CIRCUIT FOR AN OPEN 
    • For the 3.5L or 3.7L engine, measure the resistance between HVAC module - DATC C228A-23  , circuit RH111 (GY/BU), harness side and in-vehicle temperature sensor C233-1  , circuit RH111 (GY/BU), harness side.
      Fig 5: Measuring Resistance Between HVAC Module - DATC C228B-29 And In-Vehicle Temperature Sensor C233-2, Circuit VH414 (GN/BU)
      G09297332Courtesy of FORD MOTOR CO.
    • For the 2.0L engine, measure the resistance between HVAC module - DATC C228A-23  , circuit RH111 (GY/BU), harness side and in-vehicle temperature sensor C2247-2  , circuit RH111 (GY/BU), harness side.
      Fig 6: Measuring Resistance Between HVAC Module - DATC C228A-23 And In-Vehicle Temperature Sensor C2247-2, Circuit RH111 (GY/BU)
      G09297333Courtesy of FORD MOTOR CO.

    Is the resistance less than 5 ohms? 

    1. Yes  : GO to  D7.
    2. No  : REPAIR circuit RH111 (GY/BU) for an open. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  5. D5 CHECK THE IN-VEHICLE TEMPERATURE SENSOR FEEDBACK CIRCUIT FOR A SHORT TO THE SIGNAL RETURN CIRCUIT 
    • Ignition OFF.
    • Disconnect: HVAC Module - DATC  C228A.
    • Disconnect: HVAC Module - DATC  C228B.
    • For the 3.5L or 3.7L engine, measure the resistance between in-vehicle temperature sensor C233-2  , circuit VH414 (GN/BU), harness side and C233-1  , circuit RH111 (GY/BU), harness side.
      Fig 7: Measuring Resistance Between In-Vehicle Temperature Sensor C233-2, Circuit VH414 (GN/BU) And C233-1, Circuit RH111 (GY/BU)
      G06505285Courtesy of FORD MOTOR CO.
    • For the 2.0L engine, measure the resistance between in-vehicle temperature sensor C2247-1  , circuit VH414 (GN/BU), harness side and C2247-2  , circuit RH111 (GY/BU), harness side.
      Fig 8: Measuring Voltage Between In-Vehicle Temperature Sensor C2247-1, Circuit VH414 (GN/BU) And C2247-2, Circuit RH111 (GY/BU)
      G09297329Courtesy of FORD MOTOR CO.

    Is the resistance greater than 10, 000 ohms? 

    1. Yes  : GO to D6  .
    2. 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.
  6. D6 CHECK THE IN-VEHICLE TEMPERATURE SENSOR FEEDBACK CIRCUIT FOR A SHORT TO GROUND 
    • Measure the resistance between HVAC module - DATC C228B-29  , circuit VH414 (GN/BU), harness side and ground.
      Fig 9: Measuring Resistance Between HVAC Module - DATC C228B-29, Circuit VH414 (GN/BU) And Ground
      G07405977Courtesy of FORD MOTOR CO.

    Is the resistance greater than 10, 000 ohms? 

    1. Yes  : GO to D7  .
    2. No  : REPAIR circuit VH414 (GN/BU) for a short to ground. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
  7. D7 CHECK THE HVAC MODULE CONNECTION 
    • Inspect the HVAC module component and harness side connectors for:
      • corrosion
      • damaged pins
      • pushed-out terminals
    • Connect and correctly seat all the HVAC module connectors.
    • Clear the DTCs.
    • Enter the following diagnostic mode on the scan tool: Self-Test - HVAC Module.
    • Operate the system and verify the concern is still present.

    Is the concern still present? 

    1. Yes  : INSTALL a new HVAC module. REFER to CLIMATE CONTROL . TEST the system for normal operation.
    2. No  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. TEST the system for normal operation.
scientia non olet · About LEMON Manuals