DTC P119E: Bank 1 Air-Fuel Ratio Imbalance for Port Injection; DTC P119F: Bank 1 Air-Fuel Ratio Imbalance for Direct Injection; DTC P219A: Bank 1 Air-Fuel Ratio Imbalance: 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 / Trouble Codes.
5. Read the DTCs.
   RESULT
   
   

   Result	Proceed to
   DTC P119E, P119F or P219A is output	A
   DTC P119E, P119F, P219A and other DTCs are output	B

   HINT: 

   If any DTCs other than P219A are output, troubleshoot those DTCs first.

B → See step   14 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Using the Techstream, confirm the vehicle conditions recorded in the freeze frame data which were present when the DTC was stored. Refer to FREEZE FRAME DATA [07/2013 - ] .

   Freeze Frame Data Items for DTC P119E, P119F and P219A 

   • Vehicle Speed
   • Engine Speed
   • Calculate Load
   • Accelerator Idle Position
   • Short FT #1
   • Long FT #1
   • Cylinder #1 Misfire Count to Cylinder #4 Misfire Count

   HINT: 

   When the sum of Short FT and Long FT is positive, the engine is running lean, and when the sum is negative, the engine is running rich.

   DTC stored during idling	It is possible to conclude that the problem was detected due to a "lean imbalance" (detected using crankshaft speed variation).
   DTC stored while vehicle being driven	It is possible to conclude that the problem was detected due to a "rich imbalance" (detected using the air fuel ratio sensor).

NEXT: Go to next step 

1. Connect the Techstream to the DLC3.
2. Start the engine.
3. Turn the Techstream on.
4. Warm up the engine.

   HINT: 

   The A/C switch and all accessory switches should be off and the shift lever should be in P, N or neutral position.

5. Enter the following menus: Powertrain / Engine / Active Test / Control the Injection Volume / Cylinder #1 to #4 Misfire Count.

   HINT: 

   When the "Control the Injection Volume" Active Test is selected (injection volume is 0%), if a misfire count increases, proceed to step 6 (Check Intake System).

6. Perform the Control the Injection Volume operation with the engine idling.
7. Check the misfire counts ("Cylinder #1 Misfire Count" to "Cylinder #4 Misfire Count") while decreasing the injection volume in 5% increments.
   NOTE:

   Do not decrease the injection volume by higher than 20%.

   Result

   The cylinder whose misfire count has not increased can be assumed to be running rich. Therefore, perform inspections while focusing on that cylinder.

NEXT: Go to next step 

1. Check for exhaust gas leaks.

   OK

   No gas leaks.

NG → REPAIR OR REPLACE EXHAUST SYSTEM 

OK: Go to next step 

1. Check the intake system for vacuum leaks. Refer to ON-VEHICLE INSPECTION [07/2013 - ] .

   OK

   No leaks in the intake system.

NG → REPAIR OR REPLACE INTAKE SYSTEM 

OK: Go to next step 

1. Inspect the spark plug of the cylinder causing the imbalance. Refer to ON-VEHICLE INSPECTION [07/2013 - ] - Step 3 .

NG → See step   15 

OK: Go to next step 

1. Perform a spark test. Refer to ON-VEHICLE INSPECTION [07/2013 - ] - Step 1 .

   HINT: 

   If the result of the spark test is normal, proceed to the next step.

NEXT: Go to next step 

1. Measure the cylinder compression pressure of the misfiring cylinder. Refer to ON-VEHICLE INSPECTION [07/2013 - ] - Step 9 .

NG → CHECK ENGINE TO DETERMINE CAUSE OF LOW COMPRESSION 

OK: Go to next step 

1. Disconnect the fuel injector assembly (for port injection) connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Turn the ignition switch to ON.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   C8-1 - Body ground	Ignition switch ON	11 to 14 V
   C30-1 - Body ground	Ignition switch ON	11 to 14 V
   C9-1 - Body ground	Ignition switch ON	11 to 14 V
   C31-1 - Body ground	Ignition switch ON	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Fuel Injector Assembly)
   *b	No. 1 cylinder
   *c	No. 2 cylinder
   *d	No. 3 cylinder
   *e	No. 4 cylinder

NG → See step   16 

OK: Go to next step 

1. Check the harness and connector of fuel injector assembly (for port injection). Refer to PROCEDURE - Step 3 .
2. Check the harness and connector of fuel injector assembly (for direct injection). Refer to INSPECTION PROCEDURE .

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Check the fuel injector assembly (for port injection) [whether fuel volume is high or low, and whether injection pattern is poor]. Refer to INSPECTION [07/2013 - ] .
2. Check the fuel injector assembly (for direct injection) [whether fuel volume is high or low, and whether injection pattern is poor]. Refer to INSPECTION [07/2013 - ] .

   DTC	Check the fuel injector
   P219A	For port injection and direct injection
   P119E and P219A	For port injection
   P119F and P219A	For direct injection
   P119E, P119F and P219A	For port injection and direct injection

   RESULT
   
   

   Result	Proceed to
   OK	A
   Fuel injector assembly (for port injection) is NG.	B
   Fuel injector assembly (for direct injection) is NG.	C

B → See step   17 

C → See step   18 

A: Go to next step 

1. If the cause of the problem has not been found even after performing the troubleshooting procedure, perform the inspection below.
2. Check the intake valve for deposits.

   HINT: 

   As the DTC may have been stored due to deposits on the intake valve, remove the cylinder head and check the intake valve.

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 the DTCs. Refer to DTC CHECK / CLEAR [07/2013 - ] .
5. Turn the ignition switch off and wait for at least 30 seconds.
6. Turn the ignition switch to ON.
7. Turn the Techstream on.
8. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
9. Enter the following menus: Powertrain / Engine / Trouble Codes.
10. Check for DTCs.

    Result

    P219A is not output.

NEXT → END