DIAGNOSTIC PROCEDURE
DTC P0480 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP
INSPECTION
ACTION
1
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
z
Has FREEZE FRAME DATA been
recorded?
Yes Go to the next step.
No
Record FREEZE FRAME DATA on the repair
order, then go to the next step.
2
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
z
Verify related Service Bulletins and/or
on-line repair information availability.
z
Is any related Service Bulletins
available?
Yes
Perform repair or diagnosis according to the
available Service Bulletins.
z
If the vehicle is not repaired, go to the
next step.
No
Go to the next step.
3
INSPECT FAN CONTROL MODULE
CONNECTOR FOR POOR
CONNECTION
z
Turn the ignition switch off.
z
Disconnect fan control module
connector.
z
Inspect for poor connection (such as
damaged, pulled-out pins, corrosion,
etc.).
z
Are there any malfunction?
Yes
Repair or replace suspected part, then go to
Step 10.
No
Go to the next step.
INSPECT FAN CONTROL MODULE
POWER SUPPLY CIRCUIT FOR OPEN
CIRCUIT
z
Turn the ignition switch to the ON
position (Engine off).
z
Measure voltage between the following
circuits:
Dual fan control module
Yes Go to the next step.
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:38 AM
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