INFORMATION AVAILABILITY
z
Verify related Service Bulletins
availability.
z
Is any related Service Bulletins
available?
available Service Bulletins.
z
If vehicle is not repaired, go to next
step.
No
Go to the next step.
3
VERIFY RELATED PENDING
CODE OR STORED DTC
z
Verify the related PENDING
CODE or stored DTCs.
z
Are other DTCs present?
Yes
Go to appropriate DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Go to the next step.
4
INSPECT MAP SIGNAL SENT TO
PCM
z
Turn the ignition switch to the ON
position (Engine running).
z
Access MAP PID using the M-
MDS
z
Is the voltage between 0.46-2.44
V
Yes
Perform the "INTERMITTENT
CONCERN TROUBLESHOOTING".
Then go to Step 10.
No
Go to the next step.
5
INSPECT MAP SENSOR AND PCM
CONNECTOR FOR POOR
CONNECTION
z
Turn the ignition switch off.
z
Disconnect the MAF/IAT sensor
and PCM connector.
z
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
z
Are there any malfunction?
Yes
Repair or replace suspected part, then go to
Step 10.
No
Go to the next step.
6
INSPECT MAF SENSOR GROUND
CIRCUIT FOR OPEN CIRCUIT
z
Turn the ignition switch off.
z
Inspect continuity between MAF
sensor terminal B (wiring harness-
side) and body ground.
z
Is there continuity?
Yes
Go to the next step.
No
Repair or replace suspected part, then go to
Step 10.
7
INSPECT MAF SENSOR SIGNAL
CIRCUIT FOR OPEN CIRCUIT
z
Turn the ignition switch off.
Yes
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 9:26:36 AM
Page 340
© 2005 Mitchell Repair Information Company, LLC.