Mazda CX-9 Grand Touring 2009 Manual page 1128

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
2
Verify related Service Bulletins and/or
on-line repair information availability.
Is any Service Bulletins available?
INSPECT BATTERY TERMINALS FOR
POOR CONNECTION
Turn the ignition switch off.
3
Inspect for poor connection and
corrosion.
Are there any malfunction?
INSPECT PCM CONNECTOR FOR
POOR CONNECTION
Turn the ignition switch off.
4
Disconnect the PCM connector.
Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
Is there any malfunction?
INSPECT MONITOR CIRCUIT FOR
OPEN CIRCUIT
Turn the ignition switch off.
Disconnect the battery cables.
5 Disconnect the PCM connector.
Inspect the continuity between battery
positive terminal (wiring harness-side)
and PCM terminal 1BB (wiring harness-
side).
Is there continuity?
INSPECT FOR CORRECT PCM
OPERATION
Disconnect all the PCM connectors.
6
Visually inspect for:
Pushed out pins
Corrosion
Connect all the PCM connectors and
verify that they seat correctly.
2008 Mazda CX-9 Grand Touring
Perform repair or diagnosis according to
available Service Bulletins.
Yes
No
Repair or replace suspected part, then go to
Yes
Step 7.
No
Repair or replace suspected part, then go to
Yes
Step 7.
No
Yes Go to the next step.
Repair or replace suspected part, then go to
No
Yes Go to the next step.
No The system is correctly. Go to the next step.
If vehicle is not repaired, go to the next
step.
Go to the next step.
Go to the next step.
Go to the next step.
Step 7.