Injection Mode Active Test Diagnostics (L-SB-0021-21 REV1)
Publication date: 2022-07-20Reference number: L-SB-0021-21 REV1
Supersedes refnos: L-SB-0021-21
INJECTION MODE ACTIVE TEST DIAGNOSTICS
TECHNICAL SERVICE BULLETIN
Reference Number(s): L-SB-0021-21 Rev1, Date of Issue:
July 20, 2021
| LEXUS: | 2021 ES250; 2019 - 2021 ES350; 2017 - 2020 GS350; 2017 - 2021 IS300, IS350; 2017 - 2021 RC300, RC350; 2016 - 2021 RX350; 2019 - 2021 UX200 |
| SERVICE CATEGORY: | Engine/Hybrid System |
| SECTION: | Engine Control |
| MARKET: | USA |
| COPYRIGHT: | © 2022 Lexus, a division of Toyota Motor Sales, USA License Agreement TMS1002 |
APPLICABILITY
APPLICABILITY
| YEAR(S) | MODEL(S) | ADDITIONAL INFORMATION |
|---|---|---|
| 2021 | ES250 | VDS(s): B11D1 Engine(s): A25 |
| 2019 - 2021 | ES350 | VDS(s): BZ1B1 Engine(s): 2GR |
| 2017 - 2020 | GS350 | VDS(s): BZ1BL Engine(s): 2GR |
| 2017 - 2021 | IS300, IS350 | VDS(s): A81F2 Engine(s): 2GR |
| 2017 - 2021 | RC300, RC350 | VDS(s): A85EC Engine(s): 2GR |
| 2016 - 2021 | RX350 | VDS(s): AZKEA Engine(s): 2GR |
| 2019 - 2021 | UX200 | VDS(s): E3JBH Engine(s): M20 |
INTRODUCTION
This Service Bulletin provides a procedure to properly perform the Techstream "Control the Injection Mode" active test in some 2016 - 2021 model year Lexus vehicles equipped with an FKS engine.
WARRANTY INFORMATION
WARRANTY INFORMATION
| OP CODE | DESCRIPTION | TIME | OFP | T1 | T2 |
|---|---|---|---|---|---|
| N/A | Not Applicable to Warranty | - | - | - | - |
REQUIRED TOOLS & EQUIPMENT
REQUIRED TOOLS & EQUIPMENT
| REQUIRED EQUIPMENT | SUPPLIER | PART NUMBER | QTY | ||
|---|---|---|---|---|---|
| Techstream ADVi(1) | ADE | TSADVUNIT | 1 | ||
| Techstream 2.0 | TS2UNIT | ||||
| Techstream Lite | TSLITEPDLR01 | ||||
| Techstream Lite (Green Cable) | TSLP2DLR01 | ||||
|
|||||
NOTE:
- Only ONE of the Techstream units listed above is required.
- Software version 16.00.021 or later is required.
- Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE) at 1-800-368-6787.
TEST PROCEDURE
- Using Techstream, select 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 the figure below).
- Select Primary as the data set to be displayed.
- Select the parameters.
- Select the graph button.
- Select Direct on the Control the Injection Mode window.
- Raise 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 and repeat steps 6 - 10 once BEFORE continuing to step 12.
- 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 1.
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.