September 30: LEMON manuals is back up on a temporary server! Slowness is possible

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 P1607 displayed again?
  
  YES: Replace VVEL control module. Refer to "REMOVAL AND INSTALLATION ".
  
  NO: INSPECTION END