Mazda CX-9 Grand Touring 2007 Manual page 540

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
been recorded?
2 VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins
and/or on-line repair information
availability.
Is any related Service Bulletins
available?
3 CLEAR AND ATTEMPT TO
RETRIEVE THE DTC
NOTE:
If DTCs P0340, P0344, P0345 or
P0349 are present, ignition,
alternator noise, radio frequency
interference and CKP concerns
should be considered.
Clear the DTC from the PCM
memory using the M-MDS.
Turn the ignition switch to the ON
position (Engine running).
Increase engine speed to more
than 1,500 rpm for 10s. Repeat
this 3 times.
Retrieve the continuous memory
DTCs.
The same DTC present?
4 CHECK THE GENERATOR FOR
EXCESSIVE ELECTRICAL NOISE
NOTE:
If the generator/regulator is
electrically noisy, the noise
decreases when the terminal B
is disconnected.
Turn the ignition switch to the ON
position (Engine running).
Monitor the generator for an
audible electric noise.
Turn the ignition switch off.
Generator/regulator terminal B
2007 Mazda CX-9 Grand Touring
Yes
No
Yes
No
Yes
No
Perform repair or diagnosis according to
the available Service Bulletins.
If the vehicle is not repaired, go to
the next step.
Go to the next step.
Go to the next step.
Perform the "INTERMITTENT
CONCERN TROUBLESHOOTING".
Then go to Step 11.
Go to the next step.
Inspect the charging system, then go
to Step 11.
Drive belt damaged and
misinstallation
Generator pulley or generator
misinstallation