DTC P0234:00 [MZR 2.3 DISI Turbo]
id0102g4148400
DTC P0234:00 |
Turbo/supercharger overboost condition |
---|---|
DETECTION CONDITION
|
• If the manifold absolute pressure or charging efficiency are more than the specification for the specified period of time, the PCM determines that the turbocharger is in an over boost condition.
MONITORING CONDITIONS
Diagnostic support note
• This is a continuous monitor (other).
• The MIL does not illuminate.
• FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
• The DTC is stored in the PCM memory.
|
POSSIBLE CAUSE
|
• Wastegate control solenoid valve malfunction
• Vacuum hose malfunction
• PCM malfunction
|
Diagnostic procedure
STEP |
INSPECTION |
ACTION |
|
---|---|---|---|
1
|
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.
|
||
2
|
INSPECT WASTEGATE CONTROL SOLENOID VALVE
• Inspect the wastegate control solenoid valve.
• Is there any malfunction?
|
Yes
|
Replace the wastegate control solenoid valve, then go to Step 4.
|
No
|
Go to the next step.
|
||
3
|
INSPECT VACUUM HOSE
• Inspect the vacuum hose condition for the following:
• Is there any malfunction?
|
Yes
|
Repair or replace the malfunctioning part according to the inspection results, then go to the next step.
|
No
|
Go to the next step.
|
||
4
|
VERIFY DTC TROUBLESHOOTING COMPLETED
• Clear the DTC from the PCM memory using the M-MDS.
• Perform the KOEO or KOER self test.
• 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.
|
||
5
|
VERIFY AFTER REPAIR PROCEDURE
• Perform the “AFTER REPAIR PROCEDURE”.
• Are any DTCs present?
|
Yes
|
Go to the applicable DTC inspection.
|
No
|
DTC troubleshooting completed.
|