Mazda CX-9 Grand Touring 2007 Manual page 620

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Disconnect the PCM connector.
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
Are there any malfunction?
7 INSPECT CRUISE CONTROL
SWITCH CIRCUIT FOR OPEN
Disconnect the PCM connector.
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
Are there continuity?
8 INSPECT CRUISE CONTROL
SWITCH
Inspect the cruise control switch.
(see CRUISE CONTROL
SWITCH INSPECTION [MZI-
3.5] .)
Is there malfunction?
9 VERIFY TROUBLESHOOTING OF
DTC P0579 HAS BEEN
COMPLETED
Verify that all disconnected
connectors are reconnected.
Turn the ignition switch to the ON
position (Engine off).
Clear the DTC from the PCM
memory using the M-MDS.
Perform the "KOEO and KOER
self-test".
(See KOEO/KOER SELF TEST
[MZI-3.5].)
2007 Mazda CX-9 Grand Touring
No
Yes
No
Yes
No
Yes
No
Go to the next Step.
Go to the next step.
Repair or replace suspected part, then go to
Step 9.
Replace the cruise control switch, then go
to the next step.
Go to the next step.
Replace the PCM, then go to the next step.
(see PCM
REMOVAL/INSTALLATION [MZI-
3.5] .)
Go to the next step.