Mazda 6 2002, Workshop Manual

Page: 199 / 1248

F–70
ON-BOARD DIAGNOSTIC
DTC P0010
A6E397001084W01
Diagnostic procedure
DTC P0010 CMP actuator circuit
DETECTION
CONDITION
•
PCM monitors OCV voltage. If PCM detects OCV control voltage (calculated from OCV) is above or below
the threshold voltage (calculated from battery positive voltage), PCM determines that OCV circuit has
malfunction.
Diagnostic support note
•
This is a continuous monitor (CCM).
•
MIL illuminates if PCM detects the above malfunction condition during first drive cycle.
•
PENDING CODE is available if PCM detects the above malfunction.
•
FREEZE FRAME DATA is available.
•
DTC is stored in PCM memory.
POSSIBLE
CAUSE
•
OCV circuit malfunction
•
Open circuit between OCV terminal B and main relay
•
Short to GND between OCV terminal A and PCM terminal 4M
•
Short to power between OCV terminal A and PCM terminal 4M
•
Open circuit between OCV terminal A and PCM terminal 4M
•
Poor connection of OCV connector or PCM connector
•
PCM malfunction
STEP INSPECTION ACTION
1 PERFORM DTC CONFIRMATION PROCEDURE
•
Perform DTC CONFIRMATION PROCEDURE.
(See
F–66 DTC CONFIRMATION
PROCEDURE .)
•
Is same DTC present?
Yes Go to next step.
No Intermittent concern exists. Go to INTERMITTENT
CONCERN TROUBLESHOOTING procedure.
(See
F–227 INTERMITTENT CONCERN
TROUBLESHOOTING .)
2 INSPECT OCV CONNECTOR FOR POOR
CONNECTION
•
Turn ignition key to OFF.
•
Disconnect OCV connector.
•
Inspect for poor connection (damaged, pulled-
out terminals, corrosion, etc.).
•
Are there any malfunctions?
Yes Repair or replace terminal, then go to Step 9.
No Go to next step.
3 INSPECT OCV (OIL CONTROL VALVE)
ELECTRICAL MALFUNCTION
•
Inspect OCV.
(See
B–33 OIL CONTROL VALVE (OCV)
INSPECTION .)
•
Is OCV okay?
Yes Go to next step.
No Replace OCV, then go to Step 9.