Engine - MIL ON/DTC P0011/P0012 or P0016 Set
ENGINEEG003-07
Title:
M.I.L. "ON" DTC P0011, P0012, OR P0016
Models:
'05 - '06 Scion xA & Scion xB
February 9, 2007
Introduction
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.
Applicable Vehicles
^ 2005 - 2006 model year Scion XA and Scion xB vehicles produced BEFORE the Production Change Effective VINs shown below.
Production Change Information
Parts Information
Warranty Information
Applicable Warranty*:
This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Required SSTs
Repair Procedure
1. Referring to the screen flow in Figure 1 below, connect the Toyota Diagnostic Tester 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 Scion XA or Scion xB Repair Manual, Engine/Hybrid System - Engine Mechanical - "1NZ-FE: Engine: Inspection"
^ 2006 model year Scion XA or Scion xB Repair Manual, Engine/Hybrid System - Engine Control - "1NZ-FE Engine Control System: SF1 System: P0010: Camshaft Position "A" Actuator Circuit (Bank 1)"
4. Remove and replace the camshaft timing gear assembly. Refer to TIS:
^ 2005 model year Scion XA or Scion xB Repair Manual, Engine/Hybrid System - Engine Mechanical - "1NZ-FE: Camshaft: Replacement"
^ 2006 model year Scion XA or Scion xB Repair Manual, Engine/Hybrid System - Engine Mechanical - "1NZ-FE Engine Mechanical: Cylinder Head: Replacement"
NOTE:
The timing gear MUST be in the unlocked position when installing on the camshaft.
Please see step 5 for instructions to unlock the camshaft timing gear.
5. Identify whether the camshaft timing gear is unlocked or locked. (See Figure 2.)
^ If the camshaft timing gear is unlocked, it is ready to install.
^ If it is LOCKED, follow the steps below to unlock the camshaft timing gear before installing.
A. To disengage the camshaft timing gear lock pin, apply and hold approximately 21 psi of air pressure at the oil feed hole located 90 degrees clockwise of the oval slot. (See Figure 3.)
NOTE:
The lock pin is inside the gear, NOT the one located in the oval slot.
B. With the 21 psi of air still applied to the gear, turn the interior assembly counterclockwise. (See black arrow in Figure 3.)
C. Install the timing gear assembly onto the camshaft with the straight pin slightly to the right of the key groove as shown in Figure 4.
D. Turn the camshaft timing gear assembly while pushing it lightly against the camshaft until the straight pin engages the key slot.
E. Check that the camshaft timing gear is fully seated on the camshaft and that there is no clearance between the end of the camshaft and the timing gear. Install the camshaft bolt finger tight.
F. While holding the camshaft with a wrench, tighten the camshaft bolt.
Torque: 64 N.m (653 kgf.cm, 47 ft.lbf)
G. After torquing the camshaft bolt, rotate the camshaft timing gear in a clockwise direction while holding the camshaft stationary until the dots are aligned, thereby engaging the camshaft timing gear lock pin.
H. The timing gear is now ready for installation of the timing chain.
NOTE:
Camshaft timing is performed with the camshaft timing gear in the locked position (dots aligned).