2005–2007 Toyota Corolla R & R Camshaft Timing Gear

Under certain conditions, customers may experience a M.I.L. “ON” condition with DTC P0011, P0012, or P0016 stored in the Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM). In some cases, the cause of this DTC may be the VVT–i actuator. Use the procedures in this bulletin to verify the operation of the actuator and correct the condition.

Repair
1. Referring to the screen flow in Figure 1 below, connect the Toyota Diagnostic Tester Procedure to the vehicle and select the VVT Control Bank 1 Active Test (VVT CTRL B1) from the Active Test Menu.
2. Using the right arrow key, toggle the VVT actuator “ON”.
3. Does the engine run rough and/or stall?
YES: Proceed to step 4.
NO: Check the oil control valve operation.
Refer to the Technical Information System (TIS):
- 2005 model year Corolla or Matrix Repair Manual, Engine/Hybrid System – Engine Control – “1ZZ–FE / 2ZZ–GE: SFI System: Inspection”
- 2006 – 2007 model year Corolla or Matrix Repair Manual, Engine/Hybrid System – Engine Control – “1ZZ–FE / 2ZZ–GE: Engine Control System: Camshaft Timing Oil Control Valve Assembly: Inspection”

Source