Toyota Camry (XV70): 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 |
DTC Output from |
|---|---|---|---|---|
|
U040181 | Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received |
Approximately 17 seconds or more after the ignition switch is turned to ON, the ECM cannot recognize the forward recognition camera for approximately 2 seconds or more. |
ECM | Radar Cruise2 |
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the ECM, refer to Registration.
w/ Smart Key System: Click here
.gif)
w/o Smart Key System: Click here
PROCEDURE
| 1. |
CHECK FOR DTC (Radar Cruise2) |
(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 |
.gif) | USE SIMULATION METHOD TO CHECK
|
| B |
| REPLACE ECM for A25A-FKS: Click here for 2GR-FKS: Click here
|
READ NEXT:
Steering Pad Switch Circuit
DESCRIPTION
The steering pad switch assembly outputs the on/off signal and various control signals to the ECM.
The ECM performs cruise control according to the signals received from the stee
Distance Control Switch Circuit
DESCRIPTION The vehicle-to-vehicle distance control switch is used to set the distance for vehicle-to-vehicle distance control mode. The vehicle-to-vehicle distance control switch is installed in the
Cruise Main Indicator Light Circuit
DESCRIPTION When the dynamic radar cruise control system is turned on using the cruise control main switch, the cruise control indicator (vehicle-to-vehicle distance control mode) illuminates. The ECM
SEE MORE:
Voice is not Recognized
PROCEDURE
1. CHECK CONDITION
(a) While paying attention to the condition of the spoken voice command, perform a voice recognition operation.
OK: Voice command is recognized normally.
HINT:
When the voice command is recognized, the content of the voice command is displayed in t
Accelerator Pedal
ComponentsCOMPONENTS ILLUSTRATION
*1 ACCELERATOR PEDAL
*2 ACCELERATOR PEDAL PAD
*3 ACCELERATOR PEDAL SENSOR ASSEMBLY
*4 NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
Tightening torque for "Major areas involving basic vehicle performance such as
