Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Erase DTC.
3. Perform DTC Confirmation Procedure.
  See "DTC LOGIC ".
  
  Is the DTC P1606 displayed again?
  
  YES: GO TO 2.
  
  NO: INSPECTION END
REPLACE VVEL CONTROL MODULE
1. Replace VVEL control module. Refer to "REMOVAL AND INSTALLATION ".
2. Perform additional service when replacing VVEL control module. Refer to "WORK PROCEDURE ".
  : INSPECTION END