DTC Diagnosis Procedure
- CHECK DTC PRIORITY
If DTC P0234 is displayed with DTC P0237 or P0238, first perform the confirmation procedure (trouble diagnosis) for DTC P0237 or P0238.
Is DTC P0237 or P0238 detected?
YES
Perform diagnosis of applicable. Refer to DTC Description .
NO
GO TO 2.
- CHECK TURBOCHARGER BOOST SENSOR
Perform diagnosis procedure for turbocharger boost sensor. Refer to DTC Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace error-detected parts.
- CHECK ELECTRIC WASTEGATE CONTROL ACTUATOR
Perform trouble diagnosis for electric wastegate control actuator. Refer to DTC Diagnosis Procedure .
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace error-detected parts.
- PERFORM ELECTRIC WASTEGATE CONTROL ACTUATOR INITIALIZATION
- Perform electric wastegate control actuator initialization. Refer to Work Procedure .
- Perform drive test.
- Check DTC.
Is DTC P0234 detected again?
YES
Replace ECM. Refer to ECM : Removal & Installation .
NO
INSPECTION END