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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2182 (Anti-Lock Brake System) >> Diagnostic Tests >> Anti-Lock Control - Hybrid >> Pinpoint Tests >> Pinpoint Test L: DTCs C1305, C2769, C2778, U1901 and U2527 - Sensor Cluster Fault >> PINPOINT TEST L: DTCs C1305, C2769, C2778, U1901 AND U2527 - SENSOR CLUSTER CIRCUIT FAULT

PINPOINT TEST L: DTCs C1305, C2769, C2778, U1901 AND U2527 - SENSOR CLUSTER CIRCUIT FAULT

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multi-meter probes.
NOTE: The longitudinal accelerometer is integral to the sensor cluster. The sensor cluster is not repairable and must be installed as an assembly.
  1. L1 RETRIEVE THE ABS MODULE DTCs 
    • Key in OFF position.
    • Connect the diagnostic tool.
    • Key in ON position.
    • Retrieve and record any ABS module DTCs.
    • Are DTCs C1305, C2769, C2778, U1901 and/or U2527 retrieved? 
    1. YES  : For DTCs C1305 and C2769  , go to  L2.

      For DTCs U1901 and U2527  , go to  L7.

      For DTC 2778  , go to  L4.

      For all other DTCs  , go to ABS Module DTC Chart .

    2. NO  : The ABS system is operating correctly. The condition may have been caused by an incomplete or inaccurate calibration.
  2. L2 CHECK FOR CORRECT SENSOR CLUSTER INSTALLATION 
    • Inspect the sensor cluster for correct installation.
    • Is the sensor cluster installed with the electrical connector facing toward the RH side of the vehicle? 
    1. YES  : Go to  L3.
    2. NO  : REMOVE the sensor cluster and INSTALL it with the electrical connector facing toward the RH side of the vehicle. CLEAR the DTCS. REPEAT the self-test.
  3. L3 CARRY OUT THE RECALIBRATION PROCEDURE 
    NOTE: Make sure the vehicle is not on a hoist and is sitting on level ground before carrying out stability control sensor cluster calibration.
    • Clear the DTCs. Carry out the sensor cluster calibration procedure using the scan tool.
    • Retrieve the DTCs.
    • Are any DTCs retrieved or does the recalibration procedure indicate a fault? 
    1. YES  : Go to  L4.
    2. NO  : Go to  L10.
  4. L4 CHECK CIRCUITS CCA09 (VT/BN) AND RCA09 (VT/GN) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: ABS Module C1462
    • Disconnect: Sensor Cluster C3296
    • Measure the resistance between:
      • ABS module C1462-39, circuit CCA09 (VT/BN), harness side and sensor cluster C3296-3, circuit CCA09 (VT/BN), harness side.
      • ABS module C1462-27, circuit RCA09 (GN/VT), harness side and sensor cluster C3296-5, circuit RCA09 (GN/VT), harness side.
      • Fig 1: Measuring Resistance
      GF0042299Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    1. YES  : Go to  L5.
    2. NO  : REPAIR the affected circuit(s). CLEAR the DTCs. CALIBRATE the ABS module. FOLLOW the scan tool directions for the calibration procedure. REPEAT the self-test.
  5. L5 CHECK CIRCUITS CCA09 (VT/BN) AND RCA09 (VT/GN) FOR A SHORT TO VOLTAGE 
    • Key in ON position.
    • Measure the voltage between ground and:
      • sensor cluster C3296-3, circuit CCA09 (VT/BN), harness side.
      • sensor cluster C3296-5, circuit RCA09 (GN/VT), harness side.
      • Fig 2: Checking Circuit For Voltage
      GF0022457Courtesy of FORD MOTOR CO.
    • Is voltage present? 
    1. YES  : REPAIR the affected circuit(s). CLEAR the DTCs. CALIBRATE the ABS module. FOLLOW the scan tool directions for the calibration procedure. REPEAT the self-test.
    2. NO  : Go to  L6.
  6. L6 CHECK CIRCUITS CCA09 (VT/BN) AND RCA09 (VT/GN) FOR A SHORT TO GROUND 
    • Key in OFF position.
    • Measure the resistance between ground and:
      • sensor cluster C3296-3, circuit CCA09 (VT/BN), harness side.
      • sensor cluster C3296-5, circuit RCA09 (GN/VT), harness side.
      • Fig 3: Measuring Resistance
      GF0042300Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms for circuit CCA09 (VT/BN) and less than 5 ohms for circuit RCA09 (VT/GN)? 
    1. YES  : Go to  L10.
    2. NO  : REPAIR the affected circuit(s). CLEAR the DTCs. CALIBRATE the ABS module. FOLLOW the scan tool directions for the calibration procedure. REPEAT the self-test.
  7. L7 CHECK CIRCUITS VCA23 (BU/WH) AND VCA24 (GN/OG) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: ABS Module C1462
    • Disconnect: Sensor Cluster C3296
    • Measure the resistance between:
      • ABS module C1462-11, circuit VCA23 (BU/WH), harness side and sensor cluster C3296-2, circuit VCA23 (BU/WH), harness side.
      • ABS module C1462-26, circuit VCA24 (GN/OG), harness side and sensor cluster C3296-1, circuit VCA24 (GN/OG), harness side.
      • Fig 4: Measuring Resistance
      GF0042301Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    1. YES  : Go to  L8.
    2. NO  : REPAIR the affected circuit(s). CLEAR the DTCs. CALIBRATE the ABS module. FOLLOW the scan tool directions for the calibration procedure. REPEAT the self-test.
  8. L8 CHECK CIRCUITS VCA23 (BU/WH) AND VCA24 (GN/OG) FOR A SHORT TO VOLTAGE 
    • Key in ON position.
    • Measure the voltage between ground and:
      • sensor cluster C2296-1, circuit VCA23 (BU/WH), harness side.
      • sensor cluster C2296-2, circuit VCA24 (GN/OG), harness side.
      • Fig 5: Measuring Voltage
      GF0042302Courtesy of FORD MOTOR CO.
    • Is voltage present? 
    1. YES  : REPAIR the affected circuit(s). CLEAR the DTCs. CALIBRATE the ABS module. FOLLOW the scan tool directions for the calibration procedure. REPEAT the self-test.
    2. NO  : Go to  L9.
  9. L9 CHECK CIRCUITS VCA23 (BU/WH) AND VCA24 (GN/OG) FOR A SHORT TO GROUND 
    • Key in OFF position.
    • Measure the resistance between ground and:
      • sensor cluster C2296-1, circuit VCA23 (BU/WH), harness side.
      • sensor cluster C2296-2, circuit VCA24 (GN/OG), harness side.
      • Fig 6: Measuring Resistance
      GF0042303Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    1. YES  : Go to  L10.
    2. NO  : REPAIR the affected circuit(s). CLEAR the DTCs. CALIBRATE the ABS module. FOLLOW the scan tool directions for the calibration procedure. REPEAT the self-test.
  10. L10 CHECK THE ABS MODULE LONGITUDINAL ACCELERATION PARAMETER ID (PID) 
    NOTE: The vehicle must be on level ground, not on a hoist and at a complete standstill. Any vehicle movement will result in false values for this test.
    • Connect: ABS Module C1462
    • Connect: Sensor Cluster C3296
    • Key in ON position.
    • Enter the following diagnostic mode on the diagnostic tool: ABS Module PID
    • Monitor the ABS module longitudinal acceleration PID.
    • Is the ABS module longitudinal acceleration PID value between -4 and +4? 
    1. YES  : Go to  L11.
    2. NO  : CHECK the mounting of the sensor cluster. If OK, INSTALL a new sensor cluster. REFER to Stability Control Sensor Cluster . CLEAR the DTCs. CALIBRATE the ABS module. FOLLOW the scan tool directions for the calibration procedure. REPEAT the self-test.
  11. L11 CHECK FOR ABS MODULE OPERATION 
    • Key in OFF position.
    • Disconnect: ABS Module C1462
    • Disconnect: Sensor Cluster C3296
    • Check for:
      • corrosion.
      • pushed-out pins.
      • spread terminals.
      • male-to-female harness pin alignment.
    • Connect: ABS Module C1462
    • Connect: Sensor Cluster C3296
    • Key in ON position.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new hydraulic control unit (HCU). REFER to Hydraulic Control Unit (HCU) - Hybrid . 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. CLEAR the DTCs. REPEAT the self-test.
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