DTC P0011: Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1); DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1): Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
5. Read the DTCs.

   Result

   Result	Proceed to
   DTC P0011 or P0012 is output	A
   DTC P0011 or P0012 and other DTCs are output	B

   HINT: 

   If any DTCs other than P0011 or P0012 are output, troubleshoot those DTCs first.

B → See step   10 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Start the engine.
3. Turn the Techstream on.
4. Turn the A/C switch to ON.
5. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Linear (Bank 1).
6. Check the engine speed while operating the camshaft timing oil control valve assembly (for intake camshaft) using the Techstream.

   Result

   Techstream Operation	Specified Condition
   0%	Normal engine speed
   100%	Engine idles roughly or stalls

   HINT: 

   If the result is not acceptable, cool the engine and perform the Active Test again.

7. Start the engine when the engine coolant temperature is 30°C (86°F) or less.
8. Turn the Techstream on.
9. Turn the A/C switch to ON.
10. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the VVT Linear (Bank 1).
11. Check the engine speed while operating the camshaft timing oil control valve assembly (for intake camshaft) using the Techstream with the engine coolant temperature is 50°C (122°F) or less.

    Result

    Techstream Operation	Specified Condition
    0%	Normal engine speed
    100%	Engine idles roughly or stalls

    HINT: 

    Refer to "Data List / Active Test" [VVT OCV Duty #1 and VVT Change Angle #1]. Refer to DATA LIST / ACTIVE TEST .

NG → See step   5 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Clear DTCs. Refer to DTC CHECK / CLEAR .
5. Start the engine and warm it up.
6. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
8. Read DTCs.

   Result

   Result	Proceed to
   DTC is not output	A
   DTC P0011 or P0012 is output	B

B → See step   8 

A → See step   4 

1. Inspect the camshaft timing oil control valve assembly (for intake camshaft). Refer to INSPECTION .

NG → See step   11 

OK: Go to next step 

1. Inspect the camshaft timing gear assembly (for intake camshaft). Refer to REMOVAL - Step 21 .

NG → See step   13 

OK: Go to next step 

1. Remove the oil control valve filter. Refer to DISASSEMBLY .
   Fig 1: Removing Oil Control Valve Filter

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check that the filter is not clogged.

   OK

   Filter is not clogged.

3. Reinstall the oil control valve filter. Refer to REASSEMBLY .

NG → See step   12 

OK: Go to next step 

HINT: 

There are no marks on the cylinder head to match-up for the purpose of checking valve timing. Valve timing can only be inspected by lining up the colored plates on the timing chain with the marks on the pulleys. It may be necessary to remove and reinstall the chain to match-up the alignment marks. Refer to DISASSEMBLY .

Fig 2: Identifying Valve Timing Marks

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NEXT: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Clear DTCs. Refer to DTC CHECK / CLEAR .
5. Start the engine and warm it up.
6. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
7. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes / Pending.
8. Read DTCs.

   Result

   Result	Proceed to
   DTC is not output	A
   DTC P0011 or P0012 is output	B

B → See step   14 

A → END