DTC P2128 [MZI-3.5]
DTC P2128 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
POSITION (APP) SENSOR
INSPECTION [MZI-3.5].
)
z
Is there any malfunction?
No
Go to the next step.
6
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
z
Turn the ignition switch off.
z
Disconnect the PCM connector.
z
Inspect for poor connection (such
as damaged/pulled-out pins,
corrosion).
z
Are there any malfunction?
Yes
Repair or replace suspected part, then go to
Step 7.
No
Go to the next step.
7
VERIFY TROUBLESHOOTING OF
DTC P2127 HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors reconnected.
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Start the engine.
z
Is the same DTC present?
Yes
Replace the 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 the "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
DTC troubleshooting completed.
DTC P2128
APP sensor No.2 circuit high input
DETECTION
CONDITION
z
APP sensor No.2 is out of self-test range high.
z
Open circuit wiring harness between APP sensor terminal F and PCM terminal 1B
z
Open circuit wiring harness between APP sensor terminal D and PCM terminal 1Y
z
Open circuit wiring harness between APP sensor terminal G and PCM terminal 1A
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:39 AM
Page 430
© 2005 Mitchell Repair Information Company, LLC.