Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. 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. With the scan tool, read and record the Environmental Data to help identify the conditions in which the DTC was set.
4. With the scan tool, erase the DTCs.
5. Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
6. With the scan tool, read the DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to STANDARD PROCEDURE .
BRAKE PEDAL POSITION (BPP) SENSOR NOT APPLIED VOLTAGE
1. Start the engine.
2. With the scan tool, under "Data Display" monitor the BPP voltage and Stoplamp Switch while pressing the brake pedal slowly.
  Does the voltage increase and the stoplamp switch status change when the BPP voltage changes by 0.3 volt while the brake pedal is being applied?
  
  Yes
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
INSPECT THE BRAKE PEDAL POSITION (BPP) SENSOR FOR INCORRECT INSTALLATION, DAMAGE OR MECHANICAL FAILURE
1. Turn the ignition off.
2. Visually inspect the BPP Sensor for Improper installation, damage or mechanical failure. Refer to SWITCH, STOP LAMP, INSTALLATION .
  Were any problems found?
  
  Yes
  - Repair as necessary and perform the "Brake Pedal Sensor Calibration" routine.
  - Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 4
BRAKE PEDAL POSITION (BPP) SENSOR
1. Replace the Brake Pedal Position (BPP) Sensor in accordance with the Service Information.
2. Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  WARNING:
  To avoid possible serious or fatal injury, check brake capability is available before road testing.
3. Test drive the vehicle on mainly straight road conditions at a velocity above 20 km/h (12 mph).
4. With the scan tool, read the DTCs.
  Does the DTC remain active?
  
  Yes
  - Replace the Anti-lock Brake System (ABS) Module in accordance with the service information. Refer to MODULE, POWERTRAIN CONTROL, REMOVAL .
  - Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete.