Symptom Chart

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The Parking Aid Module (PAM) does not respond to the scan tool	Fuse Wiring, terminals or connectors PAM	REFER to MODULE COMMUNICATIONS NETWORK .
The parking aid is inoperative/does not operate correctly	Parking aid sensors alignment PAM Rear bumper cover	GO to PINPOINT TEST A .
Continuous or intermittent tone when no obstacles or fault codes are present(certain obstacles may not be detected or recognized due to their shape, size or material)	Dirty or iced over parking aid sensor (s)	CLEAN the rear bumper and sensors with high-pressure water.
	Ice between parking aid sensor (s) and bezel(s)	Allow time for the ice between the parking aid sensor(s) and bezel (s) to melt.
	Parking aid sensor bezel(s) or parking aid sensor (s) locked into the rear bumper incorrectly Parking aid sensors are not aligned correctly	REMOVE and correctly INSTALL the parking aid sensor(s) and or bezel(s) as necessary. REFER to PARKING AID SENSOR .
	Parking aid sensor(s) PAM	CARRY OUT the azimuth system check and elevation system check. REFER to AZIMUTH SYSTEM CHECK and ELEVATION SYSTEM CHECK .
The Audio Does Not Reduce When The Parking Aid Tone Sounds	Wiring, terminals or connectors PAM ACM	GO to PINPOINT TEST I .