Diagnosis Procedure

With CONSULT-III 

1. Turn ignition switch ON.
2. Select "SELF-DIAG RESULTS" mode with CONSULT-III.
3. Touch "ERASE".
4. Perform DTC Confirmation Procedure.

   See "DTC LOGIC ".

With GST 

1. Turn ignition switch ON.
2. Select Service $04 with GST.
3. Perform DTC Confirmation Procedure.

   See "DTC LOGIC ".

Is the DTC P1606 displayed again? 

YES: GO TO 2.

NO: INSPECTION END

1. Replace VVEL control module.
2. Go to "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (VVEL CONTROL MODULE) : SPECIAL REPAIR REQUIREMENT ".

   INSPECTION END