Pinpoint Test F: The Parking Aid Module Does Not Respond To The Diagnostic Tool

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

F1 CHECK THE PARKING AID MODULE C4014 FOR DAMAGE
- Key in OFF position.
- Disconnect: Parking Aid Module C4014.
- Inspect the parking aid module C4014 for damage.
- Is the parking aid module C4014 OK?
Yes

GO to F2.

No

REPAIR the parking aid module C4014. CARRY OUT the data link diagnostics test.
F2 CHECK CIRCUIT 70 (LB/WH) BETWEEN THE DLC C251 AND THE PARKING AID MODULE C4014 FOR AN OPEN
- Measure the resistance between the parking aid module C4014-5, circuit 70 (LB/WH), harness side and the DLC C251-7, circuit 70 (LB/WH), harness side.
  
  Fig 1: Measuring Resistance Between Parking Aid Module C4014-5, Circuit 70 (LB/WH), Harness Side And DLC C251-7, Circuit 70 (LB/WH), Harness Side
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
Yes

GO to F3.

No

REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test. CARRY OUT the data link diagnostics test.
F3 CHECK FOR CORRECT PARKING AID MODULE OPERATION
- Disconnect all the parking aid module connectors.
- Check for:
  - corrosion
  - push-out pins
- Connect all the parking aid module connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes

INSTALL a new parking aid module. REFER to INFORMATION, GAUGES & WARNING DEVICES . CLEAR the DTCs. REPEAT the self-test. CARRY OUT the data link diagnostics test.

No

The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test. CARRY OUT the data link diagnostics test.