| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM10000000103RC |
| Model Year Start: 2017 | Model: Sienna | Prod Date Range: [08/2016 - ] |
| Title: MF1A (TRANSFER / 4WD / AWD): ACTIVE TORQUE CONTROL 4WD SYSTEM: AWD Warning Light does not Come ON; 2017 - 2020 MY Sienna [08/2016 - ] | ||
|
AWD Warning Light does not Come ON |
DESCRIPTION
Refer to "AWD Warning Light Remains ON" (See page
![2017 - 2020 MY Sienna [08/2016 - ]; MF1A (TRANSFER / 4WD / AWD): ACTIVE TORQUE CONTROL 4WD SYSTEM: AWD Warning Light Remains ON+](/t3Portal/stylegraphics/info.gif)
).
WIRING DIAGRAM
Refer to "AWD Warning Light Remains ON" (See page
).
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
HINT:
Check the condition of each related circuit connector before troubleshooting (See page
).
PROCEDURE
|
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output.
Result
|
Result |
Proceed to |
|---|---|
|
CAN communication system DTC is not output |
A |
|
CAN communication system DTC is output |
B |
HINT:
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.
| B |
|
GO TO CAN COMMUNICATION SYSTEM (See page
|
|
|
2. |
INSPECT AWD WARNING |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Four Wheel Drive / Active Test.
(e) According to the display on the Techstream, perform the Active Test.
Four Wheel Drive
|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
4WD Warning Light |
AWD warning (multi-information display) / ON or OFF |
ON: Warning on OFF: Warning off |
Observe combination meter |
(f) When performing the 4WD Warning Light Active Test, check 4WD Warning Light in the Data List.
Four Wheel Drive
|
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|
|
4WD Warning Light |
AWD warning (multi-information display) / ON or OFF |
ON: Warning on OFF: Warning off |
- |
Result
|
Result |
Proceed to |
|---|---|
|
Does not change between ON and OFF |
A |
|
Changes between ON and OFF |
B |
| A |
|
| B |
|
|
|