Engine - MIL ON/VVT-i DTC's Set - Oil Control Valve
L-SB-0033-11June 20, 2011
MIL "ON" VVT-i DTCs - Oil Control Valve (OCV)
Service Category
Engine/Hybrid System
Section
Engine Control
Market
USA
Applicability
Introduction
Some 2007 - 2011 model year ES 350 and RX 350 vehicles may exhibit a MIL "ON" condition with one or more VVT-i related Diagnostic Trouble Codes (DTCs) stored in the Engine Control Module or ECM (SAE term: Powertrain Control Module/PCM). Please use the following repair procedure to address this condition.
Warranty Information
Parts Information
Required Tools & Equipment
Repair Procedure
1. Using TIS Techstream confirm one or more of the following DTCs are stored:
2. If any of the above DTCs are stored remove the affected OCV and visually inspect the spool valve for debris or sticking in its bore.
Refer to the chart for applicable OCV by DTC:
Refer to the Technical Information System (TIS) applicable model and model year Repair Manual:
3. If debris is present or the valve is sucking proceed to step 4.
If no debris is present or the spool valve does not appear to be sucking this TSIB does NOT apply. Continue diagnosis per the Repair Manual.
4. Remove the valve cover from the affected bank and temporarily remove both OCVs.
NOTE
Inspect the OCV filter for any debris or damage upon removal.
Refer to TIS applicable model and model year Repair Manual:
5. Clean the OCV and oil pipe union oil passages using compressed air.
6. Confirm no debris is present around the OCV mounting hole and install a new OCV in the affected location. Reinstall the original OCV in the non-affected location.
Refer to TIS applicable model and model year Repair Manual:
7. Clear any DTCs start the engine and test drive to verify the repair.