NO.6 DISPLAY SCREEN DOES NOT CHANGE TO THE NIGHT MODE.
(FRONT AND REAR COMBINATION LIGHTS OPERATE NORMALLY.) [CAR-
NAVIGATION SYSTEM]
TROUBLESHOOTING CHART
wrong:
z
Repair or replace the pins and/or the
connector.
9
z
Remove the audio amplifier.
z
Inspect connection of the audio amplifier
connector (40-pin).
z
Is the connector securely connected?
Yes Go to the next step.
No
Securely connect the audio amplifier.
10
z
Disconnect the audio amplifier connector
(40-pin).
z
Inspect the audio amplifier and wiring
harness connector terminal 3B, 3G and
3H for poor connection (such as
damaged/pulled-out pins, corrosion).
z
Are all the pins normal?
Yes Go to the next step.
No
Repair or replace the pins and/or the
connector.
11
z
Inspect the continuity between following
car-navigation unit and audio amplifier at
harness-side connector.
{
Car-navigation unit terminal F (16-
pin, MUTE) and audio amplifier
terminal 3B (40-pin, NAVI INT)
{
Car-navigation unit terminal I (16-
pin, PRE SP OUT+) and audio
amplifier terminal 3G (40-pin,
NAVI-)
{
Car-navigation unit terminal K (16-
pin, PRE SP OUT-) and audio
amplifier terminal 3H (40-pin,
NAVI+)
z
Is there continuity?
Yes
Inspect for short circuit in wiring harness.
If there is a short circuit, repair or replace the
suspect wiring harness.
If the wiring harness is okay, go to the next
step.
No
Repair or replace the wiring harness.
12
z
Replace the audio amplifier. (See
AUDIO AMPLIFIER
REMOVAL/INSTALLATION
.)
z
Does the voice navigation operate
properly.
Yes
Troubleshooting completed. (The audio
amplifier malfunction)
No
Replace the car-navigation unit.
Display screen does not change to the night mode. (Front and rear combination
2008 Mazda CX-9 Grand Touring
2008 BODY & ACCESSORIES Symptom Troubleshooting (Car Navigation System) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:40:44 AM
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