DTC P2105:00 [SKYACTIV-D 2.2]

id0102s4851100

DTC P2105:00

Intake air shutter valve actuator control system malfunction (forced engine shutdown)
DETECTION CONDITION
•  After switching the ignition off, the PCM detects that the engine speed has not decreased for a specified time.
Diagnostic support note
•  This is a continuous monitor (other).
•  The check engine light does not illuminate.
•  FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
•  DTC is not stored in the PCM memory.
FAIL-SAFE FUNCTION
Not applicable
POSSIBLE CAUSE
•  Engine oil deterioration
•  Fuel injector malfunction
•  Internal engine part malfunction (burning or seizure, abnormal combustion)
•  PCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

STEP

INSPECTION

ACTION
1
VERIFY FREEZE FRAME DATA (MODE 2)/SNAPSHOT DATA HAS BEEN RECORDED
•  Has the FREEZE FRAME DATA (Mode 2)/snapshot data been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA (Mode 2)/snapshot data on the repair order, then go to the next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
VERIFY RELATED PENDING CODE AND/OR DTC
•  Switch the ignition off, then ON (engine off).
•  Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
•  Are any other PENDING CODEs and/or DTCs present?
Yes
Go to the applicable PENDING CODE or DTC inspection.
(See DTC TABLE [SKYACTIV-D 2.2].)
No
Go to the next step.
4
INSPECT ENGINE OIL LEVEL
•  Inspect the engine oil level.
•  Is the engine oil amount above X line on the dipstick?
Yes
Go to the next step.
No
Go to Step 12.
5
DETERMINE IF MALFUNCTION CAUSE IS BASE ENGINE OR OTHER
•  Remove the charge air cooler.
•  When tilting the charge air cooler, does engine oil drain from the charge air cooler?
Note
•  If the engine oil level has decreased only a small amount, go to Step “No” and replace the engine oil.
Yes
Go to the next step.
No
Replace the engine oil.
(See ENGINE OIL REPLACEMENT [SKYACTIV-D 2.2].)
Perform the “ENGINE OIL DATA RESET”, then go to Step 12.
(See ENGINE OIL DATA RESET [SKYACTIV-D 2.2].)
6
DETERMINE IF MALFUNCTION CAUSE IS ENGINE PART BURNING OR SEIZURE OR ABNORMAL COMBUSTION
•  Remove the glow plug.
•  Is the heat-generating area of the glow plug burnt out?
Yes
Go to the next step.
No
Replace the engine oil.
(See ENGINE OIL REPLACEMENT [SKYACTIV-D 2.2].)
Perform the “ENGINE OIL DATA RESET”, then go to Step 12.
(See ENGINE OIL DATA RESET [SKYACTIV-D 2.2].)
7
VISUALLY INSPECT FOR FUEL INJECTOR AND CYLINDER HEAD
•  Remove the fuel injector and cylinder head.
•  Visually inspect for the following.
―  There is nozzle deformation, damage to the opening of a fuel injector.
―  There are dents caused by piston impact, or adhesion of melt from glow plug, fuel injector, or piston on the cylinder head.
•  Is there any malfunction?
Yes
Go to the next step.
No
Go to Step 10.
8
VISUALLY INSPECT INSIDE OF CYLINDER
•  Is there any vertical scratching (such as one that a fingernail can detect by scratching), or a dent on the cylinder liner caused by valve impact?
Yes
Replace or overhaul the engine as a partial engine unit.
(See ENGINE REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)
Refer to the Mazda Workshop Manual.
No
Go to the next step.
9
INSPECT CRANKSHAFT BEARING FOR DAMAGE
•  Remove the belts for the engine accessories.
•  Install a wrench to the crankshaft pulley lock bolt and turn it clockwise.
•  Does the crankshaft rotate smoothly?
Yes
If damage to the fuel injector is detected in Step 8:
•  Replace the fuel injector.
If denting or adhesion of melted matter on the cylinder head is detected in Step 8:
•  Replace or overhaul the cylinder head.
Add genuine engine oil, then go to Step 12.
(See ENGINE OIL REPLACEMENT [SKYACTIV-D 2.2].)
No
Overhaul the engine, then go to Step 12.
10
VISUALLY INSPECT INSIDE OF CYLINDER
•  Is there any vertical scratching (such as one that a fingernail can detect by scratching), or a dent on the cylinder liner caused by valve impact?
Yes
Overhaul the engine, then go to Step 12.
No
Go to the next step.
11
INSPECT CRANKSHAFT BEARING FOR DAMAGE
•  Remove the belts for the engine accessories.
•  Install a wrench to the crankshaft pulley lock bolt and turn it clockwise.
•  Does the crankshaft rotate smoothly?
Yes
Engine internal parts are normal.
•  Add genuine engine oil, then go to the next step.
No
Overhaul the engine, then go to the next step.
12
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Always reconnect all disconnected connectors.
•  Clear the DTC from the PCM memory using the M-MDS.
•  Perform the “FUEL INJECTOR INJECTION AMOUNT CORRECTION”.
•  Start the engine and warm it up completely.
Caution
•  While performing this step, always operate the vehicle in a safe and lawful manner.
•  When the M-MDS is used to observe monitor system status while driving, be sure to have another technician with you, or record the data in the M-MDS using the PID/DATA MONITOR AND RECORD capturing function and inspect later.
•  Drive the vehicle under the FREEZE FRAME DATA (Mode 2)/snapshot data condition.
•  Perform the DTC Reading Procedure.
•  Is the same DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the PCM.
Go to the next step.
No
Go to the next step.
13
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [SKYACTIV-D 2.2].)
No
DTC troubleshooting completed.