DIAGNOSTIC PROCEDURE
DTC P1001 (MZI-3.7) DIAGNOSTIC PROCEDURE
DTC P1001
KOER not able to complete, KOER aborted
DETECTION CONDITION
z
P1001 indicates any of the following
z
Unable to access Continuous Memory DTCs.
z
Unable to activate KOEO or KOER Self-Test.
z
M-MDS tester communication problem.
z
DTC displayed by M-MDS tester not listed.
z
KOER Self-Test cannot be completed.
POSSIBLE CAUSE
z
Damaged DLC-2.
z
Incorrect Self-Test procedure.
z
VREF is not in specification.
z
Idle RPM out of specification.
z
Open in DLC-2 wiring harness circuit.
z
Short in DLC-2 circuit or associated modules.
z
Damaged PCM power relay circuit
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
VERIFY RELATED PENDING CODE
OR STORED DTCs
z
Turn the ignition switch off then to
the ON position (Engine off).
z
Verify related pending code or stored
DTCs.
z
Are other DTCs present?
Yes
Go to the appropriate DTC troubleshooting. (See
DTC TABLE [MZI-3.7]
.)
No
Go to the next step.
INSPECT FOR CORRECT PCM
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:40 AM
Page 311
© 2005 Mitchell Repair Information Company, LLC.