Mazda CX-9 Grand Touring 2009 Manual page 1100

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
DIAGNOSTIC PROCEDURE
DTC P0480 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins and/or
2
on-line repair information availability.
Is any related Service Bulletins
available?
INSPECT FAN CONTROL MODULE
CONNECTOR FOR POOR
CONNECTION
Turn the ignition switch off.
Disconnect fan control module
3
connector.
Inspect for poor connection (such as
damaged, pulled-out pins, corrosion,
etc.).
Are there any malfunction?
INSPECT FAN CONTROL MODULE
POWER SUPPLY CIRCUIT FOR OPEN
CIRCUIT
Turn the ignition switch to the ON
position (Engine off).
Measure voltage between the following
circuits:
Dual fan control module
2008 Mazda CX-9 Grand Touring
INSPECTION ACTION
Yes Go to the next step.
Record FREEZE FRAME DATA on the repair
No
order, then go to the next step.
Perform repair or diagnosis according to the
available Service Bulletins.
Yes
If the vehicle is not repaired, go to the
next step.
No Go to the next step.
Repair or replace suspected part, then go to
Yes
Step 10.
No Go to the next step.
Yes Go to the next step.