Dtc P2006 - Mazda 6 2002 Workshop Manual

STEP
7 VERIFY AFTER REPAIR PROCEDURE
• Perform “After Repair Procedure”.
(See F–66 AFTER REPAIR
• Is there any DTC present?
End Of Sie

DTC P2006

DTC P2006 Variable tumble control system (VTCS) shutter valve stuck closed
• PCM monitors mass air amount. If actual air flow amount is below estimated air flow amount when the
following monitoring conditions are met. PCM determines that VTCS shutter valve has been stuck closed.
MONITORING CONDITIONS
— Engine coolant temperature is above 63 ° ° ° ° C {145 ° ° ° ° F}.
— Engine speed is below 3,750 rpm.
— Throttle valve opening angle is above threshold
*
DETECTION
: Maimum calculated load valve varies depending on engine speed.
CONDITION
Diagnostic support note
• This is a continuous monitor (CCM).
• MIL illuminates if PCM detects the above malfunction condition in two consecutive drive cycles or in one
drive cycle while the DTC for the same malfunction has been stored in the PCM.
• PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle.
• FREEZE FRAME DATA is available.
• DTC is stored in PCM memory.
• ECT sensor malfunction
• TP sensor malfunction
• CKP sensor malfunction
POSSIBLE • Variable tumble control solenoid valve malfunction
CAUSE • VTCS shutter valve malfunction (stuck closed)
• VTCS shutter valve actuator malfunction (stuck closed).
• Short to ground circuit between variable tumble control solenoid valve terminal B and PCM terminal 4T
• PCM malfunction
Diagnostic procedure
STEP
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
• Has FREEZE FRAME DATA been recorded?
2 VERIFY RELATED SERVICE INFORMATION
AVAILABILITY
• Check for related Service Information
availability.
• Is any related Service Information available?
F–166
ON-BOARD DIAGNOSTIC
INSPECTION
PROCEDURE.)
INSPECTION
Yes Go to applicable DTC troubleshooting.
(See F–67 DTC TABLE.)
No Troubleshooting completed.
*
.
Yes Go to net step.
No Record FREEZE FRAME DATA on repair order, then go to
net step.
Yes Perform repair or diagnosis according to available Service
Information.
• If vehicle is not repaired, go to net step.
No Go to net step.
ACTION
A6E397001083W03
ACTION