Mazda CX-9 Grand Touring 2007 Manual page 802

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Verify related Service Bulletins
and/or on-line repair information
availability.
Is any related Service Bulletins
available?
3 VERIFY RELATED PENDING
CODE OR STORED DTCs
Turn the ignition switch off then
to the ON position (Engine off).
Verify the related PENDING
CODE or stored DTCs using the
M-MDS.
4 IDENTIFY TRIGGER DTC FOR
FREEZE FRAME DATA
Is DTC P2270 or P2272 on the
FREEZE FRAME DATA?
5 INSPECT FOR EXHAUST GAS
LEAKAGE Visually inspect for exhaust
gas leakage between the TWC and the
rear HO2S.
Is there any malfunction?
6 INSPECT REAR HO2S
For DTC P02270 Inspect the rear
HO2S(RH)
For DTC P02272 Inspect the rear
HO2S(LH)
(see REAR HEATED OXYGEN
SENSOR (HO2S) INSPECTION
[MZI-3.5]. )
Is there any malfunction?
7 VERIFY TROUBLESHOOTING OF
DTC P2270, P2272 HAS BEEN
COMPLETED
Verify that all disconnected
connectors are reconnected.
Turn the ignition switch to the ON
2007 Mazda CX-9 Grand Touring
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
If the vehicle is not repaired, go to
the next step.
Perform the PCM reprogramming
procedure.
(see PCM CONFIGURATION [MZI-
3.5] .)
Then go to the next step.
Go to the appropriate DTC
troubleshooting.
(See DTC TABLE [MZI-3.5].)
Go to the next step.
Go to the next step.
Go to the troubleshooting for the DTC on
the "FREEZE FRAME DATA".
(See DTC TABLE [MZI-3.5].)
Repair or replace the malfunctioning parts.
Then go to the next step.
Go to the next step.
Repair or replace the malfunctioning parts.
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] .)