Diagnostic procedure

DTC P0234 DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Has the FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related service Bulletins and/or on-line repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	INSPECT WASTEGATE CONTROL SOLENOID VALVE Inspect the wastegate control solenoid valve. (See WASTEGATE CONTROL SOLENOID VALVE INSPECTION ). Is there any malfunction?	Yes	Replace the wastegate control solenoid valve, then go to Step 5. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
3		No	Go to the next step.
4	INSPECT VACUUM HOSE Inspect the vacuum hose condition for the following: Looseness Damage Improper installation Is there any malfunction?	Yes	Repair or replace the suspected part, then go to the next step.
4		No	Go to the next step.
5	VERIFY TROUBLESHOOTING OF DTC P0234 COMPLETED Make sure to reconnect all the disconnected connectors. Clear the DTC from the PCM memory using the WDS or equivalent. Start the engine. Is the same DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION ).
5		No	Go to the next step.
6	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE ). Are any DTCs present?	Yes	Go to the applicable DTC troubleshooting. (See DTC TABLE ).
6		No	DTC troubleshooting completed.