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
NOTE: Before you troubleshoot, record all freeze data and any on-board
snapshot, and review the general troubleshooting information.
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs with the HDS.
Is DTC U0028 indicated? YES-Update the PCM i
Fuel economy is not a fixed number.
It varies based on driving conditions,
driving habits and vehicle condition.
Therefore, it is not possible for one
set of estimates to predict fuel
economy precisely for all drivers in
all environments.
The EPA fuel economy estimates
shown in the exam