z
Repair or replace the pins and/or
the connector.
8
z
Remove the car-navigation unit.
z
Inspect the connection of the car-navigation unit
connector (6-pin).
z
Is the connection securely connected?
Yes Go to the next step.
No
Securely connect the car-navigation
unit connector.
9
z
Disconnect the car-navigation unit connector (6-
pin).
z
Inspect both car-navigation unit connector and
wiring harness-side connector for poor
connection (such as damaged/pulled-out pins,
corrosion).
z
Are all the pins normal?
Yes Go to the next step.
No
If the car-navigation unit connector
is wrong:
z
Replace the car-navigation unit.
If the wiring harness-side connector
is wrong:
z
Repair or replace the pins and/or
the connector.
10
z
Inspect the following wiring harnesses between
the microphone and HF/TEL unit.
{
Terminal A (6-pin, MIC+)-terminal B
(24-pin, MIC IN+)
{
Terminal B (6-pin, MIC-)-terminal D (24-
pin, MIC IN-)
{
Terminal C (6-pin, MIC +B)-terminal U
(24-pin, MIC+B)
{
Terminal D (6-pin, GND)-terminal F (24-
pin, MIC IN SHIELD)
{
Terminal E (6-pin, MIC SENSE)-terminal
J (24-pin, MIC SENSE)
z
Is there open or short circuit?
Yes
Repair or replace suspect wiring
harness.
No
Go to the next step.
11
z
Inspect the following wiring harnesses between
the hands-free unit and car-navigation unit.
{
Terminal A (24-pin, MIC OUT+)-
terminal A (6-pin, MIC+)
{
Terminal C (24-pin, MIC OUT-)-terminal
B (6-pin, MIC-)
{
Terminal E (24-pin, MIC OUT SHIELD)-
terminal D (6-pin, GND)
{
Terminal J (24-pin, MIC SENSE)-
terminal E (6-pin, MIC SENSE)
z
Is there open or short circuit?
Yes
Repair or replace suspect wiring
harness.
No
Replace the microphone, then go to
the next step.
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
Page 19
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