Troubleshooting the Audiovox PSD100D Front or Rear Sensing System

Troubleshooting the Audiovox PSD100D Parking Sensing System
Problem:	Solution:
Why isn't there any sound when reverse is engaged?	Check if ignition/reverse light on. Check power cable connection. Check switch on speaker.
What does 1 Beep mean?	Rear system is functioning correctly
What does 2 Beeps mean?	1 sensor is disconnected/damaged
What does 3 Beeps mean?	2-3 Sensors are disconnected/damaged
What does 4 Beeps mean?	No sensors are connected
Why is the PSD100D beeping without any obstacles behind the vehicle?	Ensure sensor is mounted upright. Remove anything mounted on the vehicle that may be in the detection area. Verify sensor is installed at the correct height. Verify sensor is in the correct position. Check all connections. Ensure module is not mounted near electrical components with high current. Verify supporter was used if required (angled/metal bumpers).