| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJT8 |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 11/2017] |
| Title: PRE-COLLISION: PRE-COLLISION SYSTEM: C1A01; Driving Support ECU; 2016 - 2017 MY Sienna [12/2015 - 11/2017] | ||
|
DTC |
C1A01 |
Driving Support ECU |
DESCRIPTION
The driving support ECU uses the millimeter wave radar sensor to detect obstacles in front of the vehicle.
Based on this information, the driving support ECU calculates the risk of a collision and operates the pre-collision system when it determines that the risk is high.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1A01 |
When the ignition switch is ON, the driving support ECU detects an internal malfunction for approximately. 1 second. |
Driving support ECU |
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
(b) Clear the DTCs (See page
![2016 - 2017 MY Sienna [12/2015 - 11/2017]; PRE-COLLISION: PRE-COLLISION SYSTEM: DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
).
(c) Check for DTCs (See page
).
OK:
DTC C1A01 is not output.
| OK |
|
CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) (See page
|
| NG |
|
|
|