DTC P0103 [MZI-3.7]
DTC P0103 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
10
connectors reconnected.
z
Turn the ignition switch to the
ON position (Engine off).
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Start engine and warm it up
completely.
z
Is same DTC present?
No
Go to the next step.
11
VERIFY AFTER REPAIR
PROCEDURE
z
Perform "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.7]
.)
z
Are any DTC present?
Yes
Go to the applicable DTC inspection. (See
DTC
TABLE [MZI-3.7]
.)
No
Troubleshooting completed.
DTC P0103
MAF circuit high input
DETECTION
CONDITION
z
The MAF sensor circuit is monitored by the PCM for high air flow (or voltage) input
through the CCM. If during KOEO, or KOER, the air flow (or voltage) changes
above a maximum calibrated limit, the test fails.
POSSIBLE
CAUSE
z
Short to power supply in wiring harness between MAF sensor terminal D and PCM
terminal 1AN
z
MAF sensor malfunction
z
Connector or terminal malfunction
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
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© 2005 Mitchell Repair Information Company, LLC.