- Vehicle stability control system
- Skid control ECU (brake actuator assembly)
- ECM
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000018WS0 |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: P157800; Brake System; 2018 - 2020 MY Sienna [11/2017 - ] | ||
|
DTC |
P157800 |
Brake System |
DESCRIPTION
This DTC is stored when a malfunction is detected in the vehicle stability control system. Check the vehicle stability control system when DTC P157800 is stored.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
MIL |
|---|---|---|---|
|
P157800 |
While the vehicle speed is 36 km/h (22 mph) or more and the dynamic radar cruise control system is operating, a malfunction in the vehicle stability control system is detected for 0.2 seconds or more. |
|
Does not come on |
HINT:
First check the CAN communication system by following How to Proceed with Troubleshooting. After checking that there are no malfunctions in the CAN communication system, proceed with troubleshooting.
Click here
![2018 - 2020 MY Sienna [11/2017 - ]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK DTCs (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Check for DTCs.
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTC is output |
B |
| B |
|
|
|
2. |
CHECK FOR DTCs (RADAR CRUISE 1) |
(a) Clear the DTCs.
Click here
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT:
If the following conditions are not met, the malfunction cannot be detected.
- Drive the vehicle at a speed for which dynamic radar cruise control operation is possible.
- Turn the cruise control system on using the cruise control main switch (ON-OFF button).
- Drive the vehicle at 36 km/h (22 mph) or more for 0.2 seconds or more.
(c) Check for DTCs.
Click here
|
Result |
Proceed to |
|---|---|
|
DTC P157800 is not output |
A |
|
DTC P157800 is output |
B |
| A |
|
|
|
3. |
REPLACE ECM |
(a) Replace the ECM.
Click here
|
Proceed to |
|---|
|
NEXT |
|
|
4. |
CHECK FOR DTCs (RADAR CRUISE 1) |
(a) Clear the DTCs.
Click here
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT:
If the following conditions are not met, the malfunction cannot be detected.
- Drive the vehicle at a speed for which dynamic radar cruise control operation is possible.
- Turn the cruise control system on using the cruise control main switch (ON-OFF button).
- Drive the vehicle at 36 km/h (22 mph) or more for 0.2 seconds or more.
(c) Check for DTCs.
Click here
|
Result |
Proceed to |
|---|---|
|
DTC P157800 is not output |
A |
|
DTC P157800 is output |
B |
| A |
|
END |
| B |
|
|
|