Mazda CX-9 Grand Touring 2009 Manual page 1055

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or
2
on-line repair information availability.
Is any related Service Bulletins
available?
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.
3
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 10 s. Repeat this 3
times.
Retrieve the continuous memory
DTCs.
The same DTC present?
CHECK THE GENERATOR FOR
EXCESSIVE ELECTRICAL NOISE
NOTE:
If the generator/regulator is
electrically noisy, the noise
decreases when the terminal B is
disconnected.
4
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
disconnected.
2008 Mazda CX-9 Grand Touring
Perform repair or diagnosis according to the
available Service Bulletins.
Yes
No
Yes Go to the next step.
Perform the "INTERMITTENT CONCERN
No
TROUBLESHOOTING". Then go to Step 11.
Yes Go to the next step.
No
If the vehicle is not repaired, go to the
next step.
Go to the next step.
Inspect the charging system, then go to
Step 11.
Drive belt damaged and
misinstallation
Generator pulley or generator
misinstallation