Mazda CX-9 Grand Touring 2007 Manual page 508

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
stored DTCs.
Are other DTCs present?
4 VERIFY CURRENT INPUT
SIGNAL STATUS (KEY TO
ON/IDLE)
Access APP1, APP2, APP3,
ECT, IAT, MAF, RPM, TP_REL
and VSS PIDs using the M-MDS.
(see PCM INSPECTION [MZI-
3.5] .)
Is there any signal that is far out
of specification when the ignition
switch is in the ON position and
engine runs at idle?
5 VERIFY CURRENT INPUT
SIGNAL STATUS UNDER
TROUBLE CONDITION
Inspect the same PIDs as in Step
4 when simulating the FREEZE
FRAME DATA condition.
Is there any signal which causes
drastic changes?
6 INSPECT CMP SENSOR
Inspect the CMP sensor.
(see CAMSHAFT POSITION
(CMP) SENSOR INSPECTION
[MZI-3.5]. )
Is there any malfunction?
7 VERIFY CKP SENSOR
INSTALLATION CONDITION
Inspect for CKP sensor looseness.
Is the CKP sensor loose?
2007 Mazda CX-9 Grand Touring
Yes
No
Yes
No
Yes
No
Yes
Inspect the suspected circuit or part or both
according to inspection results.
(see PCM INSPECTION [MZI-3.5] .)
Then go to Step 18.
Go to the next step.
Inspect the suspected circuit or part or both
according to inspection results.
(see PCM INSPECTION [MZI-3.5] .)
Then go to Step 18.
Go to the next step.
Inspect the installation condition for damage
to the timing belt and gears, and repair
malfunctioning parts.
If it is normal, replace CMP sensor.
(see CAMSHAFT POSITION
(CMP) SENSOR
REMOVAL/INSTALLATION
[MZI-3.5]. )
Then go to Step 18.
Go to the next step.
Retighten the CKP sensor, then go to Step
18.
(see CRANKSHAFT POSITION (CKP)
SENSOR REMOVAL/INSTALLATION
[MZI-3.5]. )