Lexus ES: Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received (U040181)
DESCRIPTION
If the ECM cannot recognize the forward recognition camera. DTC U040181 is stored.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from |
U040181 | Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received | Approximately 17 seconds or more after the engine switch is turned on (IG), the ECM cannot recognize the forward recognition camera for approximately 2 seconds or more. | ECM | Does not come on | Radar Cruise2 |
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the ECM, refer to Registration.
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PROCEDURE
(a) Clear the DTCs.
Powertrain > Radar Cruise2 > 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 > Radar Cruise2 > Trouble Codes
Result | Proceed to |
DTC U040181 is not output | A |
DTC U040181 is output | B |
A | | USE SIMULATION METHOD TO CHECK |
B | | REPLACE ECM |
READ NEXT:
DESCRIPTION If the ECM cannot recognize the forward recognition camera. DTC U040181 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from U040181
DESCRIPTION
The steering pad switch assembly outputs the dynamic cruise control on/off signal and various control signals to the ECM.
The ECM controls the dynamic cruise control system according
DESCRIPTION
The steering pad switch assembly outputs the dynamic cruise control on/off signal and various control signals to the ECM.
The ECM controls the dynamic cruise control system according
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