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
Inspection
1. Set the dial indicator (A) on the companion flange
(B).
2. Measure the transfer gear backlash.
Standard: 0.06-0.16 mm (0.02-0.06 in.)
3. Secure the transfer housing (A) in a bench vise (B)
with soft jaws. To prevent damage to the transfer
housing, always use soft jaws or equivalent
m
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NOTE: Always check the connectors for poor
connections or loose terminals between the audio unit,
audio disc changer, navigation unit, and XM receiver.
1. Check the No. 23 (10 A) fuse in the under-hood
fuse/relay box and No. 34 (7.S A) fuse in the under-dash
fuse/relay box, a