10
INSPECT A/C RELAY
z
Inspect A/C relay.
(see
RELAY INSPECTION
.)
z
Is A/C relay normal?
Yes
Go to the next step.
No
Replace the A/C relay. Start the engine.
Turn on the A/C switch. Wait for
15 s
.
Turn off the A/C switch, then go to Step
12.
11
INSPECT FOR CORRECT PCM
OPERATION
z
Disconnect all the PCM
connectors.
z
Visually inspect for:
{
Pushed out pins
{
Corrosion
z
Connect all the PCM connectors
and verify that they seat correctly.
z
Retrieve DTCs using the M-MDS.
z
Is the PENDING CODE for this
DTC present?
Yes
Go to the next step.
No
The system is correctly. Go to the next
step.
12
VERIFY TROUBLESHOOTING OF
DTC P0645 HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors reconnected.
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Perform the "KOEO or KOER
self-test" using the M-MDS.
(See
KOEO/KOER SELF TEST
[MZI-35]
)
z
Is the PENDING CODE for the
DTC present?
Yes
Replace the PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
13
VERIFY AFTER REPAIR
PROCEDURE
z
Perform the "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.5]
.)
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Troubleshooting completed.
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
Page 323
© 2005 Mitchell Repair Information Company, LLC.