Mazda CX-9 Grand Touring 2007 Manual page 552

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Disconnect PCM connector.
Check for poor connection (such
as damaged, pulled-out pins, and
corrosion).
Are there any malfunction?
9 INSPECT CMP SENSOR (LH)
CIRCUIT FOR OPEN CIRCUIT
Turn the ignition switch off.
Check continuity between the
following circuits:
CMP sensor (LH) terminal
A and PCM terminal 2AB
CMP sensor (LH) terminal
B and PCM terminal 2C
Is there continuity?
10 INSPECT CMP SENSOR (LH)
Inspect CMP sensor (LH).
(see CAMSHAFT POSITION
(CMP) SENSOR INSPECTION
[MZI-3.5]. )
Is there any malfunction?
11 VERIFY TROUBLESHOOTING OF
DTC P0349 COMPLETED
Verify that all disconnected
connectors reconnected.
Turn ignition switch to the ON
position (Engine off).
Clear the DTC from the PCM
memory using the M-MDS.
Start the engine.
Access the MAF PID using the M-
MDS.
Is same DTC present?
12 VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
PROCEDURE".
2007 Mazda CX-9 Grand Touring
No
Yes
No
Yes
No
Yes
No
Yes
Go to the next step.
Go to the next step.
Repair or replace suspected part, then go
to Step 11.
Replace CMP sensor (LH), then go to the
next step.
(see CAMSHAFT POSITION (CMP)
SENSOR
REMOVAL/INSTALLATION [MZI-
3.5]. )
Go to the next step.
Replace the PCM, then go to the next step.
(see PCM
REMOVAL/INSTALLATION [MZI-
3.5] .)
Go to the next step.
Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.5].)