Diagnosis Procedure

WARNING: This page is about a different car, the 2010 Infiniti G37. However, it is still accessible from the selected car via links, so may be relevant.

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: GO TO 2.
  
  NO: INSPECTION END
REPLACE VVEL CONTROL MODULE
1. Replace VVEL control module.
2. Go to "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (VVEL CONTROL MODULE) : SPECIAL REPAIR REQUIREMENT ".
  INSPECTION END