Mazda CX-9 Grand Touring 2007 Manual page 401

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Turn the ignition switch to the ON
position (Engine off).
Clear the DTC from the PCM
memory using the M-MDS.
Start engine and warm it up
completely.
Is same DTC present?
11 VERIFY AFTER REPAIR
PROCEDURE
Perform "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR
PROCEDURE [MZI-3.5].)
Are any DTC present?
DTC P0103 [MZI-3.5]
DTC P0103 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P0103
DETECTION
CONDITION
POSSIBLE CAUSE
2007 Mazda CX-9 Grand Touring
MAF circuit high input
The MAF sensor circuit is monitored by the PCM for high air flow (or voltage) inp
through the CCM. If during KOEO, or KOER, the air flow (or voltage) changes ab
a maximum calibrated limit, the test fails.
Short to power supply in wiring harness between MAF sensor terminal D and PCM
terminal 1AN
MAF sensor malfunction
Connector or terminal malfunction
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.5].)
No Troubleshooting completed.