Mazda CX-9 Grand Touring 2009 Manual page 1143

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Disable the inertia switch.
Turn the ignition switch to the ON
position (Engine off)
Access the PCM and monitor the RPM
PID.
Crank the engine.
Is the RPM greater than 150 rpm?
INSPECT FOR CORRECT PCM
OPERATION
Disconnect all the PCM connectors.
Visually inspect for:
Pushed out pins
5
Corrosion
Connect all the PCM connectors and
verify that they seat correctly.
Retrieve DTCs using the M-MDS.
Is the PENDING CODE for this DTC
present?
VERIFY TROUBLESHOOTING OF
DTC P061C 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
6
using the M-MDS.
Perform the "KOEO and KOER self-
test". (See KOEO/KOER SELF
TEST [MZI-3.7].)
Retrieve the DTCs using the M-MDS.
Is the PENDING CODE for this DTC
present?
VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
7
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
Are any DTCs present?
2008 Mazda CX-9 Grand Touring
Inspect the CKP sensor or related harness.
No Repair or replace suspected part, then go to the
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
No
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
No
Go to the applicable DTC inspection. (See DTC
Yes
TABLE [MZI-3.7].)
No
next step.
Go to the next step.
Go to the next step.
Troubleshooting completed.