Symptom Chart

Condition	Possible Sources	Action
The audio unit is inoperative/does not operate correctly	Fuse(s) Circuitry Audio unit	Go to Pinpoint Test A .
Poor reception	Circuitry Antenna Antenna connections Noise suppression equipment Power antenna module Antenna grid Audio unit	Go to Pinpoint Test B .
Continuous seek/scan in AM/FM	Circuitry Antenna Antenna connections Power antenna module Antenna grid Audio unit	Go to Pinpoint Test B .
Poor quality/distorted/no sound from one or more speakers	Speaker(s) Circuitry Audio unit	Go to Pinpoint Test C .
The auxiliary audio control is inoperative/does not operate correctly - steering wheel controls	Circuitry Audio unit Steering wheel controls Clockspring	Go to Pinpoint Test D .
The video system does not operate correctly - no picture	Source incorrect Disc DVD player	PRESS the source button (screen is blank in auxiliary module with no video source connected). TEST the system for normal operation. If the concern is still present, INSTALL a new DVD player. REFER to Digital Versatile Disc (DVD) Player . TEST the system for normal operation.
The video system is inoperative/does not operate correctly	Fuse Circuitry DVD player	Go to Pinpoint Test E .
The video system does not operate correctly - remote control does not function correctly	Video system	INSTALL new batteries in the remote control and TEST the system. If the concern is no longer present, the system is operating correctly at this time. If the concern is still present, CONTACT an authorized audio system repair facility for further diagnostic test procedures.