LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2021 >> Compass Altitude, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> (Park Assist Module (PAM) (PTS/PAM) - Electrical Diagnostics) >> DTC Troubleshooting >> B128F-25-PTS-Sensor-2-Signal Shape / Waveform Failure >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    NOTE:

    Before proceeding with this diagnostic procedure, remove any ice, snow, mud, dirt, or other obstructions from the front/rear fascia/bumper. Also remove any ice, snow, dirt, mud, or other obstructions from the underside of the Fascia/Bumper surrounding the sensors.

    1. Turn the ignition on.
    2. With the scan tool, read ParkTronics (PTS) Module DTCs and record on the repair order.
    3. With the scan tool, erase DTCs.
    4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    5. With the scan tool, read PTS DTCs

      Did the DTC return?

      Yes 

      • Go To  2

      No 

  2. REMOVE SENSOR TO CLEAN AND RETEST FOR DTCS 
    1. Turn the ignition off.
    2. Remove the park sensor in accordance with the Service Information. Refer to SENSOR, PARK ASSIST, REMOVAL AND INSTALLATION .
    3. Clean park sensor and mounting brackets
    4. Install the park sensor and connect all harness connectors.
    5. Turn the ignition on.
    6. With the scan tool, erase all DTCs.
    7. Turn the ignition off for a minimum of 10.0 seconds.
    8. Turn the ignition on.
    9. Using the When Monitored and Set Conditions above and recorded data, operate the vehicle in the conditions that set the DTC.
    10. With the scan tool, read DTCs.

      Did the DTC return?

      Yes 

      No 

      • Cleaning the park sensor repaired the fault.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .