| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000010RW9 |
| Model Year Start: 2017 | Model: Sienna | Prod Date Range: [08/2016 - ] |
| Title: CRUISE CONTROL: CRUISE CONTROL SYSTEM: P057504,P057549; Cruise Control System Internal Failure; 2017 - 2020 MY Sienna [08/2016 - ] | ||
|
DTC |
P057504 |
Cruise Control System Internal Failure |
|
DTC |
P057549 |
Cruise Control Internal Electronic Failure |
DESCRIPTION
This is output when the ECM detects malfunctions in the internal circuit.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
P057504 |
Cruise Control System Internal Failure |
Vehicle Condition: Cruise control in Malfunction Status: ECM internal cancel circuit malfunction |
ECM |
|
P057549 |
Cruise Control Internal Electronic Failure |
Vehicle Condition: Cruise control in Malfunction Status: ECM internal stop light switch circuit malfunction |
ECM |
PROCEDURE
|
1. |
CHECK FOR DTCs |
(a) Clear the DTCs.
(See page
![2016 - 2020 MY Sienna [12/2015 - ]; CRUISE CONTROL: CRUISE CONTROL SYSTEM: DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
)
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the malfunction cannot be detected.
(1) Drive the vehicle at a speed for which cruise control operation is possible.
(2) Turn the cruise control system on using the cruise control main switch (ON/OFF).
(3) Push the cruise control main switch to -SET to begin control of vehicle speed using the cruise control system.
(c) Check the DTCs.
(See page
)
Result |
Proceed to |
|---|---|
|
DTC P057504 and P057549 are not output |
A |
|
DTC P057504 or P057549 is output |
B |
| A |
|
USE SIMULATION METHOD TO CHECK (See page
|
| B |
|
|
|