Injection Mode Active Test Diagnostics (T-SB-0015-21 REV1)

WARNING: This page is about the Highlander Hybrid LE, 2.5L Eng VIN A, which is a different variant/trim than selected.

Publication date: 2022-05-27
Reference number: T-SB-0015-21 REV1
Supersedes refnos: T-SB-0015-21

INJECTION MODE ACTIVE TEST DIAGNOSTICS

TECHNICAL SERVICE BULLETIN

Reference Number(s): T-SB-0015-21 Rev1, Date of Issue: May 27, 2022

TOYOTA:	2019 - 2022 Avalon, Corolla Hatchback, RAV4; 2018 - 2022 Camry; 2020 - 2022 Corolla; 2017 - 2022 Highlander; 2017 - 2020 Sienna; 2016 - 2022 Tacoma
SERVICE CATEGORY:	Engine/Hybrid System
SECTION:	Engine Control
MARKET:	USA
COPYRIGHT:	© 2022 Toyota, USA License Agreement TMS1002

Superceded Bulletin(s): T-SB-0015-21, Date of Issue: March 22, 2021

APPLICABILITY

YEAR(S)	MODEL(S)	ADDITIONAL INFORMATION
2019 - 2022	Avalon, Corolla Hatchback, RAV4
2018 - 2022	Camry
2020 - 2022	Corolla
2017 - 2022	Highlander
2017 - 2020	Sienna
2016 - 2022	Tacoma

REVISION NOTICE

May 27, 2022 Rev1:

Applicability has been updated to include 2022 model year Avalon, Camry, Corolla, Corolla Hatchback, Highlander, RAV4, and Tacoma vehicles.
Applicability has been updated to remove 2021 model year Sienna vehicles.
The Test Procedure section has been updated.

Any previous printed versions of this bulletin should be discarded.

INTRODUCTION

This Service Bulletin provides a procedure to properly perform the Techstream "Control the Injection Mode" active test in some 2016 - 2022 model year Toyota vehicles equipped with an FKS engine.

WARRANTY INFORMATION

OP CODE	DESCRIPTION	TIME	OFP	T1	T2
N/A	Not Applicable to Warranty	-	-	-	-

REQUIRED TOOLS & EQUIPMENT

PARTS INFORMATION

REQUIRED EQUIPMENT

SUPPLIER

PART NUMBER

QTY

Techstream ADVi⁽¹⁾

ADE

TSADVUNIT

Techstream 2.0

TS2UNIT

Techstream Lite

TSLITEPDLR01

Techstream Lite (Green Cable)

TSLP2DLR01

⁽¹⁾	Essential SST.

NOTE:

Only ONE of the Techstream units listed above is required.
Software version 17.00.020 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at 1-800-368-6787.

TEST PROCEDURE

Start the engine and turn OFF the A/C.
Connect Techstream to the vehicle and navigate to Engine Active Test - Control the Injection Mode .
Verify the execute conditions are met to perform the active test.
NOTE: The vehicle MUST be stopped with the engine idling, and the coolant temperature MUST be above 176°F (80°C).
Select OK.
Select the criteria desired for monitoring (see Figure 2).
1. Select Primary as the data set to be displayed.
2. Select the parameters.
  1. Engine speed
  2. Injection Mode
  3. Short FT(s)
  4. Long FT(s)
3. Select the graph button.
Press the record button to start recording.
Select Direct on the Control the Injection Mode window.
Raise the engine to 2,000 RPM.
Press Start.
Keep the engine RPM at 2,000 for 30 seconds.
Idle the engine for one minute.
Click Stop.
Select Port on the Control the Injection Mode window.
Raise the engine to 2,000 RPM.
Press Start.
Keep the engine RPM at 2,000 for 30 seconds.
Idle the engine for one minute.
Click Stop.
Click the record button to stop recording.
Utilizing the primary data list graph snapshot, confirm the switch occurred when commanded with the injection mode parameter.
Did the vehicle respond to the selected modes (direct and port) during the active test?
- YES - The active test is complete.
- NO - Retake the active test, return to step 2.
NOTE: If the active test is used multiple times without using this procedure to raise engine RPM, it may be necessary to reset learning values for fuel trim and air to fuel ratio before returning the vehicle to the customer.