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
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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
|
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Removal
REMOVAL CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during parking brake pedal assembly removal/installation are shown below. Necessary Procedures After Parts R
Removal
REMOVAL PROCEDURE 1. REMOVE FRONT FENDER APRON SEAL RH
Click here
2. DRAIN ENGINE OIL Click here
3. REMOVE ENGINE OIL PRESSURE SWITCH ASSEMBLY
(a) Disengage the clamp to disconnect the wire harness protector.
*1 Wire Harness Protector
