1
z
Has FREEZE FRAME DATA been
recorded?
No
Record FREEZE FRAME DATA on the repair
order, then go to next step.
2
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
z
Verify related Service Bulletins
availability.
z
Is any related Service Bulletins
available?
Yes
Perform repair or diagnosis according to
available Service Bulletins.
z
If vehicle is not repaired, go to next step.
No
Go to 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-3.7]
.)
No
Go to next step.
4
INSPECT AIR SUCTIONING
BETWEEN MAF SENSOR AND TP
SENSOR
z
Inspect for major leaks, cracks and
openings between MAF sensor and
throttle body.
z
Are there any malfunction?
Yes
Repair or replace the malfunctioning part, then
go to Step 10.
No
Go to next step.
5
INSPECT MAF SENSOR CONNECTOR
FOR POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect the MAF/IAT sensor
connector.
z
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
z
Are there any malfunction?
Yes
Repair or replace the malfunctioning part, then
go to Step 10.
No
Go to next step.
6
INSPECT MAF SIGNAL CIRCUIT FOR
SHORT TO POWER SUPPLY
z
Turn the ignition switch to the ON
position (Engine off).
z
Measure voltage between the following
terminals:
{
MAF sensor terminal C (wiring
harness-side) and body ground
{
MAF sensor terminal D (wiring
harness-side) and body ground
Yes
Repair or replace the malfunctioning part, then
go to Step 10.
No
Go to next step.
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:34 AM
Page 60
© 2005 Mitchell Repair Information Company, LLC.
