T-SB-0015-21

T-SB-0015-21
March 22, 2021
Injection Mode Active Test Diagnostics
Service
Category
Engine/Hybrid System
Section
Engine Control
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2019 - 2021
Avalon, Corolla Hatchback,
RAV4
VDS(s): A1RFV, A4MBE, AZ1FB
Engine(s): A25, M20, 2GR
2018 - 2021
Camry
VDS(s): BZ1HK, FZ1AK
Engine(s): A25, 2GR
2020 - 2021
Corolla
VDS(s): M4MCE
Engine(s): M20
2017 - 2021
Highlander, Sienna
VDS(s): CZRAH
Engine(s): 2GR
2016 - 2021
Tacoma
VDS(s): AZ5CN
Engine(s): 2GR
Introduction
This Service Bulletin provides a procedure to properly perform the Techstream “Control the
Injection Mode” active test in some 2016 – 2021 model year Toyota vehicles equipped with an
FKS engine.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
N/A
Not Applicable to Warranty
–
–
–
–
© 2021 Toyota Motor Sales, USA
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Injection Mode Active Test Diagnostics
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVi*
Techstream 2.0
Techstream Lite
PART NUMBER
QTY
TSADVUNIT
ADE
Techstream Lite (Green Cable)
TS2UNIT
TSLITEPDLR01
1
TSLP2DLR01
*Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 15.30.027 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
Test Procedure
1. Using Techstream, navigate to Active Test – Control the Injection Mode.
2. Verify the execute conditions are met to perform the active test.
NOTICE
The vehicle MUST be stopped with the engine idling, and the coolant temperature MUST be
above 176°F (80°C).
3. Select OK.
© 2021 Toyota Motor Sales, USA
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Injection Mode Active Test Diagnostics
Test Procedure (continued)
Figure 1.
1
1
z
Active Test Selection
2
z
2
© 2021 Toyota Motor Sales, USA
Execute Conditions
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Injection Mode Active Test Diagnostics
Test Procedure (continued)
4. Select the criteria desired for monitoring (see the figure below).
A. Select Primary as the data set to be displayed.
B. Select the parameters.
C. Select the graph button.
Figure 2. Example of Selecting Criteria for Monitoring
2
1
z
z
3
1
Data Set to Be Displayed
2
Parameters
3
© 2021 Toyota Motor Sales, USA
z
Graph Button
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Injection Mode Active Test Diagnostics
Test Procedure (continued)
5. Select Direct on the Control the Injection
Mode window.
Figure 3.
6. Raise engine to 2,000 RPM.
Figure 4.
7. Press Start
8. Keep the engine RPM at 2,000 for
30 seconds.
9. Idle the engine for one minute.
10. Click Stop.
Figure 5.
11. Select Port on the Control the Injection Mode
window and repeat steps 6 – 10 once before
continuing to step 12.
Figure 6.
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Injection Mode Active Test Diagnostics
Test Procedure (continued)
Figure 7. Primary Data List Graph Snapshot
1
z
2
z
3
1
Injection Mode Parameter
2
3
Port Injection Mode Confirmation
z
Direct Injection Mode Confirmation
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.
© 2021 Toyota Motor Sales, USA