Confirmation Procedure
- CHECK DTC PRIORITY
If DTC P0234 is displayed with DTC P0237 or P0238, first perform the 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.
- PERFORM COMPONENT FUNCTION CHECK NOTE: Use component function check to check the overall function of turbocharger system circuit.
With CONSULT
- Turn ignition switch ON and engine stopped.
- On CONSULT screen, select "ENGINE">>"Active Test">>"WASTEGATE ACTUATOR".
- Operate "Up" or "Down", set "W/G ACTUATOR POSITION B1" to 0.002 m, and make a quick short note of value "V1" of "W/G ACTUATOR POSI SEN B1".
- Operate "Up" or "Down", set "W/G ACTUATOR POSITION B1" to 0.006 m, and make a quick short note of value "V2" of "W/G ACTUATOR POSI SEN B1".
Do the values of "V1" and "V2" change (visually, ACTUATOR SHAFT operates) and "V2" minus "V1" becomes equal to or more than 1.3 V?
YES
To check malfunction symptom before repair: Refer to Inspection .
YES
Confirmation after repair: INSPECTION END
NO
Refer to DTC Diagnosis Procedure .