Diagnostic Test

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. Verify the Park Assist Sensor is connected before proceeding with this diagnostic procedure.
  NOTE:
  A disconnected sensor will set this DTC.
2. With the scan tool, read PAM 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 PAM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CHECK THE VOLTAGE OF THE FRONT PARK ASSIST SENSOR SUPPLY CIRCUIT
1. Turn the ignition off.
2. Disconnect the Park Assist Sensor harness connector.
3. Turn the ignition on.
4. Measure the voltage between ground and the Front Park Assist Sensor Supply circuit at the Park Assist Sensor harness connector.
  Is the voltage above 10.0 volts?
  
  Yes
  - Go To 4
  No
  - Go To 3
CHECK THE FRONT PARK ASSIST SENSOR SUPPLY CIRCUIT FOR AN OPEN OR HIGH RESISTANCE
1. Turn the ignition off.
2. Disconnect the Park Assist Module harness connector.
3. Measure the resistance of the Front Park Assist Sensor Supply circuit between the Park Assist Module harness connector and the Park Assist Sensor harness connector.
  Is the resistance below 3.0 Ohms?
  
  Yes
  - Replace the Park Assist Module in accordance with the Service Information. Refer to MODULE, PARK ASSIST, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Repair the Front Park Assist Sensor Supply circuit for an open or high resistance.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE FRONT OUTER LEFT SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND WITH THE PARK ASSIST MODULE CONNECTED
NOTE:
Perform this step with the Park Assist Module connected.
1. Check for continuity between ground and the Front Outer Left Signal circuit at the Park Assist Module harness connector.
  Is there continuity between ground and the Front Outer Left Signal circuit?
  
  Yes
  - Go To 5
  No
  - Go To 7
CHECK THE FRONT OUTER LEFT SENSOR SIGNAL CIRCUIT FOR A SHORT TO GROUND WITH THE PARK ASSIST MODULE DISCONNECTED
1. Disconnect the Park Assist Module harness connector.
2. Check for continuity between ground and the Front Outer Left Signal circuit at the Park Assist Module harness connector.
  Is there continuity between ground and the Front Outer Left Signal circuit?
  
  Yes
  - Repair the Front Outer Left Signal circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 6
CHECK THE FRONT OUTER LEFT SENSOR SIGNAL CIRCUIT FOR A SHORT TO THE FRONT OUTER LEFT SENSOR GROUND CIRCUIT
1. Check for continuity between the Front Outer Left Signal circuit and the Front Outer Left Ground circuit at the Park Assist Module harness connector.
  Is there continuity between the Front Outer Left Signal circuit and the Front Outer Left Sensor Ground circuit?
  
  Yes
  - Repair the Front Outer Left Signal circuit and the Front Outer Left Sensor Ground circuit for a short together.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Park Assist Module in accordance with the Service Information. Refer to MODULE, PARK ASSIST, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE FRONT OUTER LEFT SENSOR SIGNAL CIRCUIT FOR AN OPEN
1. Disconnect the Park Assist Module harness connector.
2. Measure the resistance of the Front Outer Left Signal circuit between the Park Assist Module harness connector and the Park Assist Sensor harness connector.
  Is the resistance below 3.0 Ohms?
  
  Yes
  - Repair the Front Outer Left Signal circuit for an open.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 8
PARK ASSIST SENSOR
1. Turn the ignition on.
2. Reconnect the Park Assist Module harness connector.
3. Connect a jumper wire between the Front Park Assist Sensor Supply and Front Outer Left Signal circuit at the Park Assist Sensor harness connector.
4. Turn the ignition on.
5. With the scan tool, read PAM DTCs.
  Does the scan tool display DTC: C1001-12-SENSOR FRONT OUTER LEFT-CIRCUIT SHORT TO BATTERY?
  
  Yes
  - Replace the Park Assist Sensor in accordance with the Service Information. Refer to SENSOR, PARK ASSIST, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Park Assist Module in accordance with the Service Information. Refer to MODULE, PARK ASSIST, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .