Engine - MIL ON/Multiple VVT-i DTC's Set

T-SB-0105-11

August 26, 2011

MIL "ON" VVT-i DTCs - Oil Control Valve (OCV)

Service Category
Engine/Hybrid System

Section
Engine Control

Market
USA





Applicability

Introduction

Some 2005 - 2011 model year 2GR-FE equipped 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 if any of the DTCs listed below are stored remove the affected QCV and visually inspect the spool valve for debris or sticking in its bore.





Refer to the chart below for applicable QCV by DTC:





Refer to the Technical Information System (TIS) applicable model and model year Repair Manual:

2. If debris is present or the valve is sucking proceed to step 3.

If no debris is present or the spool valve does not appear to be sucking this TSB does NOT apply. Refer to Repair Manual procedures.

3. Remove the valve cover from the affected bank and temporarily remove both OCVs.

Inspect the OCV filter for any debris or damage upon removal.








Refer to TIS applicable model and model year Repair Manual:

4. Clean the QCV and oil pipe union oil passages using compressed air.

5. Confirm no debris is present around the QCV mounting hole and install a new QCV in the affected location. Reinstall the original QCV in the location that was NOT affected (no DTCs stored).





Refer to TIS applicable model and model year Repair Manual:

6. Clear all DTCs start the engine and test drive to verify the repair.