DIAGNOSTIC PROCEDURE
DTC P0645 (MZI-3.5) 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 THAT THE ACCS PID IS
OFF
z
Turn ignition key to ON (Engine
running).
z
A/C switch and defroster switch
off.
z
Access the ACCS PID using M-
MDS.
z
Is the PID state off?
Yes
Go to the next step.
No
ACCS input to PCM is requesting A/C.
Inspect A/C system operation, then go to
Step 12.
(see
DIAGNOSTIC TROUBLE CODE
NUMBER INSPECTION
.)
(see
TROUBLESHOOTING INDEX
.)
4
INSPECT A/C RELAY
CONNECTOR FOR POOR
CONNECTOR
z
Turn the ignition switch off.
z
Disconnect the A/C relay
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 12.
No
Go to the next step.
5
INSPECT A/C RELAY POWER
SUPPLY CIRCUIT FOR OPEN
CIRCUIT
z
Turn the ignition switch to the ON
position (Engine off).
Yes
Go to the next step.
No
Repair or replace suspected part, then go to
Step 12.
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:35 AM
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© 2005 Mitchell Repair Information Company, LLC.