Mazda CX-9 Grand Touring 2009 Manual page 1196

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
should be functioning properly.
Connect the M-MDS to the DLC-2.
Access RPM PID.
Crank the engine.
Is the reading more than 150 rpm?
INSPECT THE FRONT COVER, CKP
SENSOR AND CKP SENSOR PULSE
WHEEL FOR OBVIOUS PHYSICAL
DAMAGE
Turn the ignition switch off.
5
Visually inspect the front cover,
CKP sensor and CKP sensor pulse
wheel for obvious physical damage.
Do any parts appear physically
damaged?
INSPECT CKP SENSOR
CONNECTOR FOR POOR
CONNECTION
Disconnect the CKP sensor
6
connector.
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
Is there any malfunction?
INSPECT CKP SENSOR
Inspect the CKP sensor. (See
CRANKSHAFT POSITION
7
(CKP) SENSOR INSPECTION
[MZI-3.7] .)
Is there any malfunction?
INSPECT CMP SENSOR
CONNECTOR FOR POOR
CONNECTION
Disconnect the CMP sensor
8
connector.
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
Is there any malfunction?
INSPECT CMP SENSOR
2008 Mazda CX-9 Grand Touring
No
Yes Repair if necessary, then go to Step 11.
No
Repair or replace suspected part, then go to Step
Yes
11.
No
Replace the CKP sensor, then go to Step 11. (See
Yes CRANKSHAFT POSITION (CKP) SENSOR
REMOVAL/INSTALLATION [MZI-3.7] .)
No
Repair or replace suspected part, then go to Step
Yes
11.
No
Go to the next step.
Go to the next step.
Go to the next step.
Go to the next step.
Go to the next step.