- CAN communication system
- Vehicle stability control system
- Steering column assembly
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000001048M |
| Model Year Start: 2017 | Model: Sienna | Prod Date Range: [08/2016 - ] |
| Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: C1541; Vehicle Speed Signal Malfunction; 2017 - 2020 MY Sienna [08/2016 - ] | ||
|
DTC |
C1541 |
Vehicle Speed Signal Malfunction |
DESCRIPTION
The vehicle speed signal from the brake actuator assembly (skid control ECU) is input to the steering column assembly (power steering ECU) through CAN communication.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1541 |
Vehicle speed signal malfunction |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When the steering column assembly is replaced, perform the assist map writing (See page
![2016 - 2020 MY Sienna [12/2015 - ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: REGISTRATION](/t3Portal/stylegraphics/info.gif)
).
PROCEDURE
|
1. |
CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM) |
(a) Check for DTCs of the CAN communication system (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| B |
|
GO TO CAN COMMUNICATION SYSTEM (See page
|
|
|
2. |
CHECK DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Check for DTCs of the vehicle stability control system (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTCs are output |
B |
| A |
|
| B |
|
REPAIR CIRCUIT INDICATED BY OUTPUT CODE (See page
|
|
|