2002 Ford Explorer Rear sensing system

DZFBKS

MEMBER
2002 FORD EXPLORER
6 CYL
4WD
AUTOMATIC
96,000 MILES

It appears that someone may have very very slightly tapped my rear bumper. Soon after, I noticed that when I place the vehicle in reverse, my rear sensing system turns itself off instead of sensing objects behind the vehicle. Is there a way to re-set this sensing system? Is there a fuse or relay in the electrical system for this system? Is there a way to check the sensors and/or eliminate a bad sensor from the 4 that are mounted on the bumper? Can you guide me in a way to troubleshoot this system?

Thanks
Tony Serio

1 Reply

TTRAN

MEMBER
45 POSTS

There is a way you can test those sensors.
Try to put your shift into the reverse while you have someone touches every sensor unit. If you have every single one vibrate, you know for sure that they are working ok. Then you may need to check the speaker, the one the sensor circuit send the tone to it.
If you don't have any of them vibrate at all, you may need to check the power drives the sensor circuit. Normally, the rear brake lights are the power source that drive the sensor circuitry.
Tran