1
BEEN RECORDED
z
Has FREEZE FRAME DATA been
recorded?
Yes Go to the next step.
No
Record FREEZE FRAME DATA on the repair
order, then go to the next step.
2
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
z
Verify related Service Bulletins and/or
on-line repair information availability.
z
Is any related Service Bulletins
available?
Yes
Perform repair or diagnosis according to the
available Service Bulletins.
z
If the vehicle is not repaired, go to the
next step.
No
Perform the PCM reprogramming procedure.
(See
PCM CONFIGURATION [MZI-3.7]
.)
Then go to the next step.
3
VERIFY RELATED PENDING CODE OR
STORED DTCs
z
Turn the ignition switch off then to the
ON position (Engine off).
z
Verify the related PENDING CODE or
stored DTCs using the M-MDS.
Yes Go to the appropriate DTC troubleshooting.
(See
DTC TABLE [MZI-3.7]
.)
No
Go to the next step.
4
IDENTIFY TRIGGER DTC FOR FREEZE
FRAME DATA
z
Is DTC P2270 or P2272 on the FREEZE
FRAME DATA?
Yes Go to the next step.
No
Go to the troubleshooting for the DTC on the
FREEZE FRAME DATA. (See
DTC TABLE
[MZI-3.7]
.)
5
INSPECT FOR EXHAUST GAS
LEAKAGE Visually inspect for exhaust gas
leakage between the TWC and the rear
HO2S.
z
Is there any malfunction?
Yes
Repair or replace the malfunctioning parts.
Then go to the next step.
No
Go to the next step.
6
INSPECT REAR HO2S
z
For DTC P02270 Inspect the rear HO2S
(RH)
z
For DTC P02272 Inspect the rear HO2S
(LH)
(See
REAR HEATED OXYGEN
SENSOR (HO2S) INSPECTION
[MZI-3.7]
.)
z
Is there any malfunction?
Yes Repair or replace the malfunctioning parts.
Then go to the next step.
No
Go to the next step.
VERIFY TROUBLESHOOTING OF DTC
P2270, P2272 HAS BEEN COMPLETED
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:43 AM
Page 417
© 2005 Mitchell Repair Information Company, LLC.
