DTC P0104 [MZI-3.5]
DTC P0104 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
(see
MASS AIR FLOW (MAF.)
SENSOR INSPECTION [MZI-
3.5].)
z
Is there malfunction?
3.5].
), then go to Step 7.
No
Go to the next step.
7
VERIFY TROUBLESHOOTING OF
DTC P0103 HAS BEEN
COMPLETED
z
Verify that all disconnected
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?
Yes
Replace PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
8
VERIFY AFTER REPAIR
PROCEDURE
z
Perform "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.5]
.)
z
Are any DTC present?
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Troubleshooting completed.
DTC P0104
MAF circuit intermittent/erratic
DETECTION
CONDITION
z
A concern exists in the MAF sensor circuit, or the air tube containing the sensor,
causing an incorrect air flow reading.
POSSIBLE CAUSE
z
Air leaks in the tube from the MAF to the throttle body
z
Open circuit wiring harness between MAF sensor terminal C and PCM terminal 1
z
Open circuit wiring harness between MAF sensor terminal D and PCM terminal 1
z
Short to power supply in wiring harness between MAF sensor terminal C and PCM
terminal 1AJ
z
Short to power supply in wiring harness between MAF sensor terminal D and PCM
terminal 1AN
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:29 AM
Page 57
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