44F0-Rear Right Wheel Speed Sensor Circuit High: Testing

WARNING: This page is about a different car, the 2009 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR DTC 44F0-REAR RIGHT WHEEL SPEED SENSOR CIRCUIT HIGH
NOTE: This DTC must be active for the results of this test to be valid.
1. Turn the ignition on.
2. With the scan tool, record and erase DTCs.
3. Cycle the ignition switch from off to on.
4. With the scan tool, read DTCs.
  Does the scan tool display: 44F0-REAR RIGHT WHEEL SPEED SENSOR CIRCUIT HIGH?
  
  Yes
  - Go to step 2
  No
  - Refer to the INTERMITTENT CONDITION diagnostic procedure.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
CHECK CONNECTOR/TERMINAL FOR DAMAGE
NOTE: Check all terminals for broken, bent, pushed out, or corroded terminals.
1. Turn the ignition off.
2. Inspect the Anti-Lock Brake Module harness connector, Rear Right WSS, and Rear Right WSS harness connector.
  Is the Rear Right WSS or any of the connectors/terminals damaged?
  
  Yes
  - Repair as necessary.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
  No
  - Go to step 3
CHECK (21) REAR RIGHT WSS SUPPLY CIRCUIT SHORT TO GROUND

Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Rear Right WSS harness connector.
3. Disconnect the Anti-Lock Brake Module harness connector.
4. Using a 12-volt test light connected to 12-volts, probe the (21) Rear Right WSS Supply circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Repair the (21) Rear Right WSS Supply circuit for a short to ground.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
  No
  - Go to step 4
CHECK (20) REAR RIGHT WSS SIGNAL CIRCUIT SHORT TO GROUND

Courtesy of CHRYSLER LLC
1. Using a 12-volt test light connected to 12-volts, probe the (20) Rear Right WSS Signal circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Repair the (20) Rear Right WSS Signal circuit for a short to ground.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
  No
  - Go to step 5
CHECK (21) REAR RIGHT WSS SUPPLY CIRCUIT OPEN

Courtesy of CHRYSLER LLC
1. Connect a jumper wire between ground and the (21) Rear Right WSS Supply circuit in the Anti-Lock Brakes Module harness connector.
2. Using a 12-volt test light connected to 12-volts, probe the (21) Rear Right WSS Supply circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go to step 6
  No
  - Repair the (21) Rear Right WSS Supply circuit for an open.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
CHECK (20) REAR RIGHT WSS SIGNAL CIRCUIT OPEN

Courtesy of CHRYSLER LLC
1. Connect a jumper wire between ground and the (20) Rear Right WSS Signal circuit in the Anti-Lock Brakes Module harness connector.
2. Using a 12-volt test light connected to 12-volts, probe the (20) Rear Right WSS Signal circuit.
  Does the test light illuminate brightly?
  
  Yes
  - Go to step 7
  No
  - Repair the (20) Rear Right WSS Signal circuit for an open.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
CHECK (21) REAR RIGHT WSS SIGNAL CIRCUIT SHORT TO VOLTAGE

Courtesy of CHRYSLER LLC
1. Turn the ignition on.
2. Remove all jumper wires.
3. Measure the voltage between the (21) Rear Right WSS Signal circuit and ground.
  Is the voltage above one volt?
  
  Yes
  - Repair the (21) Rear Right WSS Signal circuit for a short to voltage.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
  No
  - Go to step 8
CHECK (20) REAR RIGHT WSS SIGNAL CIRCUIT SHORT TO VOLTAGE

Courtesy of CHRYSLER LLC
1. Measure the voltage between the (20) Rear Right WSS Signal circuit and ground.
  Is the voltage above one volt?
  
  Yes
  - Repair the (20) Rear Right WSS Signal circuit for a short to voltage.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
  No
  - Go to step 9
CHECK (20) REAR RIGHT WSS SIGNAL CIRCUIT AND (21) REAR RIGHT WSS SUPPLY CIRCUIT SHORT TOGETHER

Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Measure the resistance between the (20) Rear Right WSS Signal circuit and the (21) Rear Right WSS Supply circuit.
  Is the resistance above 5.0 ohms?
  
  Yes
  - Go to step 10
  No
  - Repair the (20) Rear Right WSS Signal circuit and the (21) Rear Right WSS Supply circuit for a short together.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
REAR RIGHT WHEEL SPEED SENSOR
1. Replace the Rear Right Wheel Speed Sensor in accordance with the Service Information.
2. Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
  CAUTION: Make sure brake capability is available before road testing.
3. Road test the vehicle over 40 km/h (20 mph).
4. With the scan tool, read ABS DTCs.
  Did DTC 44F0-REAR RIGHT WHEEL SPEED SENSOR CIRCUIT HIGH reset?
  
  Yes
  - Replace the Anti-Lock Brakes Module in accordance with the Service Information.
  - Perform ABS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Standard Procedure .
  No
  - Test Complete.