Mazda CX-9 Grand Touring 2009 Manual page 1184

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
[ADVANCED KEYLESS
SYSTEM] .)
(See IMMOBILIZER SYSTEM
COMPONENT
3 REPLACEMENT/KEY
ADDITION AND CLEARING
[KEYLESS ENTRY SYSTEM] .)
Have all other PATS DTCs been
diagnosed?
INSPECT FOR OTHER
POWERTRAIN DTCs
Repair all other powertrain DTCs
4
before P1260.
Have all other powertrain DTCs
been diagnosed?
ATTEMPT TO START ENGINE
Complete the keep alive memory.
Reset to clear DTC 1260.
5
This reset initializes the PCM to
communicate with the PATS.
Attempt to start the engine.
Does the engine start?
VERIFY TROUBLESHOOTING OF
DTC P1260 HAS BEEN COMPLETED
6
Verify that all disconnected
connectors are reconnected.
Turn the ignition switch to the ON
position (Engine off).
2008 Mazda CX-9 Grand Touring
ADDITION AND CLEARING [ADVANCED
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING [KEYLESS
No
Yes Go to the next step.
No Go to the appropriate DTC troubleshooting.
No system malfunctions exists at this time.
For intermittent No Starts or Start Stalls, verify
intermittent PATS faults.
Then go to the next step.
NOTE:
Yes
DTC P1260 is not the cause of the No Start. (See
No
QUICK DIAGNOSTIC CHART [MZI-3.7] .)
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
KEYLESS SYSTEM] .)
(See IMMOBILIZER SYSTEM
ENTRY SYSTEM] .)
PATS cannot stall the engine after 1
second of operation. For intermittent
Stalls while driving, verify the M-MDS
tester to PCM communication during
concern. If a PCM communication error
occurs, possible causes are:
Loss of PWRS or grounds to the
PCM.
Malfunctioning PCM PWR relay.
Malfunctioning EEC PWR diode.
Repair if necessary and return the vehicle
to customer.