Mazda 6 2002, Руководство по ремонту

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F–72
ON-BOARD DIAGNOSTIC
DTC P0011
A6E397001084W02
Diagnostic procedure
End Of Sie
DTC P0011 CMP - Timing over-advanced
DETECTION
CONDITION
•
Actual valve timing is over-advanced by 30 deg. from target valve timing when the OCV is controlled in the
maximum valve timing retard condition.
Diagnostic support note
•
This is a continuous monitor (CCM).
•
MIL illuminates if PCM detects the above malfunction condition during first drive cycles.
•
PENDING CODE is available if PCM detects the above malfunction condition.
•
FREEZE FRAME DATA is available.
•
DTC is stored in PCM memory.
POSSIBLE
CAUSE
•
OCV malfunction
•
Spool valve in OCV is stuck in advance position.
•
Variable valve timing actuator is stuck in advance position.
•
Loose timing belt or improper valve timing due to timing belt slippage
•
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 FOR MALFUNCTION
•
Start engine.
•
Increase engine speed.
•
Stop engine.
•
Remove the OCV.
•
Inspect the position of spool valve in OCV.
•
Is spool valve located at valve retard position?
Yes Go to next step.
No Replace OCV, then go to Step 5.
3 INSPECT STOPPER PIN MECHANISM
•
Remove timing belt.
•
Inspect stopper pin.
(See
B–32 VARIABLE VALVE TIMING
ACTUATOR INSPECTION .)
•
Is stopper pin mechanism okay?
Yes Go to next step.
No Replace variable valve timing actuator, then go to Step 5.
4 INSPECT ROTOR POSITION
•
Remove variable valve timing actuator.
•
Is rotor position at maximum valve timing
retard?
Yes VARIABLE VALVE TIMING MECHANISM IS NORMAL
Note
•
This DTC detected by intermittent concern.
•
Intermittent concern might be removed by cleaning
mode of variable valve timing control function.
Go to next step.
No Replace variable valve timing actuator, go to next step.
5 VERIFY TROUBLESHOOTING OF DTC P0011
COMPLETED
•
Make sure to reconnect all disconnected
connectors.
•
Clear DTC from PCM memory using WDS or
equivalent.
•
Perform KOER self-test.
(See
F–66 KOEO/KOER SELF-TEST .)
•
Is same DTC present?
Yes Replace PCM, then go to next step.
(See F–43 PCM REMOVAL/INSTALLATION .)
No Go to next step.
6 VERIFY AFTER REPAIR PROCEDURE
•
Perform “After Repair Procedure”.
(See
F–66 AFTER REPAIR PROCEDURE .)
•
Is there any DTC present?
Yes Go to applicable DTC troubleshooting.
(See F–67 DTC TABLE .)
No Troubleshooting completed.