NOTE:
Check the radio reception in an open area.
Compare it to a known-good vehicle of the same
model, year, and trim level whenever possible.
If necessary, have the customer demonstrate the
sym
1. With the ignition switch ON (II), push the power
switch ON to see if navigation unit turns ON.
Does the navigation unit display operate properly, and does the audio sound
normal? YES-Intermittent
NOTE:
Set the fader and balance positions to the center.
Before doing symptom troubleshooting, do the
power switch will not turn ON troubleshooting.
1. Check that the volume button is not set to
To load or play discs, the ignition
switch must be in the ACCESSORY
(I) or ON (II) position.
You operate the disc changer with
the same controls used for the radio.
To select the disc changer, press the
CD button (CD/AUX button on
models with satellite radio), the disc
and track number
Component Location Index
UNDER-DASH FUSE/
RELAY BOX
UNDER-HOOD FUSE/RELAY BOX
REAR WINDOW DEFOGGER RELAY
HVAC CONTROL UNIT
REAR WINDOW DEFOGGER SWITCH/
MIRROR DEFOGGER SWITCH
REAR WINDOW DEFOGGER
Circuit Diagram
Function Test
NOTE:
Be careful not to scratch or damage the defogger
wire