Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Verify the Park Assist Sensor is connected before proceeding with this diagnostic procedure.NOTE:
A disconnected sensor will set this DTC.
- With the scan tool, read PAM DTCs and record on the repair order.
- With the scan tool, erase DTCs.
- Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read PAM DTCs.
Did the DTC return?
Yes
- Go To 2
No
- The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. If no problems are found, test complete.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Verify the Park Assist Sensor is connected before proceeding with this diagnostic procedure.
- CHECK PARK ASSIST SENSOR 9 FOR INTERNAL SHORT
- Disconnect Park Assist Sensor 9.
- With the scan tool, read Park Assist Module DTCs.
Is the DTC active?
Yes
- Go To 3
No
- Replace Park Assist Sensor 9 in accordance with the Service Information. Refer to SENSOR, PARK ASSIST, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE (D703) PARK ASSIST SENSOR 9 SIGNAL CIRCUIT FOR A SHORT TO GROUND
- Turn the ignition off.
- Disconnect the Park Assist Module C2 harness connector.
- Check for continuity between ground and the (D703) Park Assist Sensor 9 Signal circuit at the Park Assist Module C2 harness connector.
Is there continuity between ground and the (D703) Park Assist Sensor 9 Signal circuit?
Yes
- Repair the (D703) Park Assist Sensor 9 Signal circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 4
- CHECK THE (D703) PARK ASSIST SENSOR 9 SIGNAL CIRCUIT FOR A SHORT TO VOLTAGE
- Turn the ignition on.
- Measure the voltage between ground and the (D703) Park Assist Sensor 9 Signal circuit at the Park Assist Module C2 harness connector.
Is there any voltage present?
Yes
- Repair the (D703) Park Assist Sensor 9 Signal circuit for a short to voltage
Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 5
- Repair the (D703) Park Assist Sensor 9 Signal circuit for a short to voltage
- CHECK THE (D703) PARK ASSIST SENSOR 9 SIGNAL CIRCUIT FOR AN OPEN
- Measure the resistance of the (D703) Park Assist Sensor 9 Signal circuit between the Park Assist Module C2 harness connector and the Park Assist Sensor 9 harness connector.
Is the resistance below 3.0 Ohms?
Yes
- Replace the Park Assist Module in accordance with Service Information. Refer to MODULE, PARK ASSIST, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Repair the (D703) Park Assist Sensor 9 Signal circuit for an open.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Measure the resistance of the (D703) Park Assist Sensor 9 Signal circuit between the Park Assist Module C2 harness connector and the Park Assist Sensor 9 harness connector.