Mazda CX-9 Grand Touring 2009 Manual page 1175

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
DTC P1001
DETECTION CONDITION
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC P1001 (MZI-3.7) DIAGNOSTIC PROCEDURE
STEP INSPECTION
VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED
1
Has FREEZE FRAME DATA been
recorded?
VERIFY RELATED REPAIR
INFORMATION AVAILABILITY
Verify related Service Bulletins
2
and/or on-line repair information
availability.
Is any related Service Bulletins
available?
VERIFY RELATED PENDING CODE
OR STORED DTCs
Turn the ignition switch off then to
3
the ON position (Engine off).
Verify related pending code or stored
DTCs.
Are other DTCs present?
INSPECT FOR CORRECT PCM
2008 Mazda CX-9 Grand Touring
KOER not able to complete, KOER aborted
P1001 indicates any of the following
Unable to access Continuous Memory DTCs.
Unable to activate KOEO or KOER Self-Test.
M-MDS tester communication problem.
DTC displayed by M-MDS tester not listed.
KOER Self-Test cannot be completed.
Damaged DLC-2.
Incorrect Self-Test procedure.
VREF is not in specification.
Idle RPM out of specification.
Open in DLC-2 wiring harness circuit.
Short in DLC-2 circuit or associated modules.
Damaged PCM power relay circuit
Yes Go to the next step.
Record FREEZE FRAME DATA on the repair
No
Perform repair or diagnosis according to the
available Service Bulletins.
Yes
No
Go to the appropriate DTC troubleshooting. (See
Yes
DTC TABLE [MZI-3.7].)
No
ACTION
order, then go to the next step.
If the vehicle is not repaired, go to the next
step.
Go to the next step.
Go to the next step.