Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
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, read ABS DTCs and record on the repair order.
3. Using the scan tool, read and record Freeze Frame information.
4. With the scan tool, erase DTCs.
5. Perform ECU initialization with drive test. Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
6. Start the engine.
7. With the scan tool, read ABS DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the ABS INTERMITTENT CONDITION TEST. Refer to ABS INTERMITTENT CONDITION .
VERIFY THAT THE STEERING ANGLE SENSOR IS ACTIVE ON THE BUS
1. Using the scan tool, select ECU View.
2. Verify that the Steering Angle Sensor is active on the bus.
  Is the Steering Angle Sensor active on the bus?
  
  Yes
  - Go To 3
  No
  - Refer to DIAGNOSIS AND TESTING and perform the No Response from SAS diagnostic procedure.
CHECK STEERING ANGLE
1. Turn steering wheel so wheels point in a straight ahead position.
2. With scan tool check steering angle.
  Is the Steering Angle reading within ±15 degrees?
  
  Yes
  - Go To 4
  No
  - Go To 5
CHECK STEERING ANGLE CHANGE
1. Turn steering wheel so wheels point in a straight ahead position.
2. With scan tool check steering angle if reading travels to 720 degrees whiling rotating wheel from stop to stop.
  NOTE:
  Sensor damage can occur if wheel is turned over 720 degrees.
3. Rotate steering wheel to the right and the degrees will decrease and rotating steering wheel to the left the degrees will increase.
  Did the steering angle change accordingly and display less the 720 degrees from stop to stop?
  
  Yes
  - Replace the Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Replace the Steering Column Control Module (SCCM) in accordance with the Service Information. Refer to MODULE, STEERING COLUMN CONTROL, REMOVAL .
CHECK STEERING ANGLE SENSOR INSTALLATION
WARNING:
To avoid serious or fatal injury on vehicles equipped with airbags, disable the Supplemental Restraint System (SRS) before attempting any steering wheel, steering column, airbag, seat belt tensioner, impact sensor, or instrument panel component diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two minutes for the system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the SRS. Failure to take the proper precautions could result in accidental airbag deployment.

NOTE:
Proper Clockspring (SAS) installation is crucial for proper operation.
1. Turn ignition off.
2. Verify that the Clockspring (SAS) is properly installed. Refer to CLOCKSPRING, STANDARD PROCEDURE .
  Is the Clockspring (SAS) properly installed?
  
  Yes
  - Replace the Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Repair as necessary.
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .