6
{
MAF sensor terminal C
(wiring harness-side)
and PCM terminal 1AJ
(wiring harness-side)
{
MAF sensor terminal D
(wiring harness-side)
and PCM terminal 1AN
(wiring harness-side)
z
Are there continuity?
No
Repair or replace suspected part, then go to Step 10.
7
INSPECT MAF SENSOR
SIGNAL CIRCUIT FOR SHORT
TO GROUND
z
Turn the ignition switch off.
z
Disconnect the MAF/IAT
sensor and PCM connector.
z
Inspect continuity between
following circuits:
{
MAF sensor connector
terminal D and body
ground
z
Are there continuity?
Yes Repair or replace suspected part, then go to the Step 10.
No
Go to the next step.
8
INSPECT MAF SENSOR
GROUND CIRCUIT FOR OPEN
CIRCUIT
z
Inspect continuity between
MAF sensor terminal B and
body ground.
z
Are there continuity?
Yes Go to the next step.
No
Repair or replace suspected part, then go to Step 10.
9
INSPECT THE MAF SENSOR
z
Inspect the MAF sensor
(See
MASS AIR FLOW
(MAF) SENSOR
INSPECTION [MZI-3.7]
.)
z
Are there any malfunction?
Yes
Replace the MAF/IAT sensor, then go to the next step.
(See
MASS AIR FLOW (MAF)/INTAKE AIR
TEMPERATURE (IAT) SENSOR
REMOVAL/INSTALLATION [MZI-3.7]
.)
No
Go to the next step.
VERIFY TROUBLESHOOTING
OF DTC P0102 HAS BEEN
COMPLETED
z
Verify that all disconnected
Yes
Replace PCM, then go to the next step. (See
PCM
REMOVAL/INSTALLATION [MZI-3.7]
.)
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 54
© 2005 Mitchell Repair Information Company, LLC.
