z
Disconnect the PCM connector.
z
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
z
Are there any malfunction?
No
Go to the next Step.
7
INSPECT CRUISE CONTROL
SWITCH CIRCUIT FOR OPEN
z
Disconnect the PCM connector.
z
Inspect for continuity between the
following terminals:
{
Cruise control switch
terminal B and PCM
terminal 1AT
{
Cruise control switch
terminal C and PCM
terminal 1AP
z
Are there continuity?
Yes
Go to the next step.
No
Repair or replace suspected part, then go to
Step 9.
8
INSPECT CRUISE CONTROL
SWITCH
z
Inspect the cruise control switch.
(see
CRUISE CONTROL
SWITCH INSPECTION [MZI-
3.5]
.)
z
Is there malfunction?
Yes
Replace the cruise control switch, then go
to the next step.
No
Go to the next step.
9
VERIFY TROUBLESHOOTING OF
DTC P0579 HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors are reconnected.
z
Turn the ignition switch to the ON
position (Engine off).
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Perform the "KOEO and KOER
self-test".
(See
KOEO/KOER SELF TEST
[MZI-3.5]
.)
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:34 AM
Page 273
© 2005 Mitchell Repair Information Company, LLC.
