Mazda CX-9 Grand Touring 2007 Manual page 522

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
and/or on-line repair information
availability.
Is any related Service Bulletins
available?
3 VERIFY RELATED PENDING
CODE OR STORED DTCs
Turn the ignition switch off then
to the ON position (Engine off).
Verify related pending code or
stored DTCs.
Are other DTCs present?
4 INSPECT CKP SENSOR SIGNAL
SENT TO PCM
NOTE:
The battery should be fully
charged and the starting system
should be functioning properly.
Disable the inertia switch.
Turn the ignition switch to the ON
position [(Engine off).
Access the PCM and monitor the
RPM PID.
Crank the engine.
Is the engine speed more than 150
rpm?
5 INSPECT TIMING COVER, CKP
SENSOR AND EXTERNAL
TRIGGER WHEEL (OUTSIDE
TIMING COVER) FOR OBVIOUS
PHYSICAL DAMAGE
Visually check the timing cover,
CKP sensor and external trigger
wheel (outside the timing cover)
for obvious physical damage.
Do any parts appear physically
damaged?
6 INSPECT FOR PROPER CKP BIAS
VOLTAGES IN PCM
Disconnect the CKP sensor
2007 Mazda CX-9 Grand Touring
No
Yes
No
Yes
No
Yes
No
Yes
the next step.
Go to the next step.
Go to the appropriate DTC
troubleshooting.
(See DTC TABLE [MZI-3.5].)
Go to the next step.
Go to Step 13.
Go to the next step.
Repair if necessary. Then go to Step 13.
Go to Step.
Go to the next step.