Toyota Camry (XV70): Cruise Control System Internal Failure (P057504,P057549)
DESCRIPTION
When the ECM detects an internal malfunction, DTC P057504 or P057549 is stored.
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
DTC Output from |
|---|---|---|---|---|
|
P057504 | Cruise Control System Internal Failure |
When the dynamic radar cruise control system is operating, the ECM detects a malfunction in the internal cancel circuit for 0.4 seconds or more. |
ECM | Cruise Control |
|
P057549 | Cruise Control Internal Electronic Failure |
When the dynamic radar cruise control system is operating, the ECM detects a malfunction in the internal STP signal circuit for 0.2 seconds or more. |
ECM | Cruise Control |
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the ECM, refer to Registration.
w/ Smart Key System: Click here
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w/o Smart Key System: Click here
PROCEDURE
| 1. |
CHECK FOR DTCs (Radar Cruise1) |
(a) Clear the DTCs.
Powertrain > Cruise Control > Clear DTCs(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Powertrain > Cruise Control > Trouble Codes|
Result | Proceed to |
|---|---|
|
DTC P057504 and P057549 are not output |
A |
| DTC P057504 or P057549 is output |
B |
| A |
.gif) | USE SIMULATION METHOD TO CHECK
|
| B |
| REPLACE ECM for A25A-FKS: Click here for 2GR-FKS: Click here
|
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