Lexus NX: Lost Communication With Multi-axis Acceleration Sensor Module Missing Message (U012587,U012687,U012987,U029387)
DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U012587 | Lost Communication With Multi-axis Acceleration Sensor Module Missing Message | While the vehicle is being driven at 5 km/h (3 mph) or more, a communication error between the airbag ECU assembly and the forward recognition camera is detected for approximately 4 seconds or more. | CAN communication system |
| U012687 | Lost Communication with Steering Angle Sensor Module Missing Message | 3 seconds after the power switch is turned on (IG), a communication error between the steering sensor and the forward recognition camera is detected for approximately 1 second or more. | CAN communication system |
| U012987 | Lost Communication with Brake System Control Module Missing Message | 3 seconds after the power switch is turned on (IG), a communication error between the skid control ECU (brake booster with master cylinder assembly) and the forward recognition camera is detected for approximately 1 second or more. | CAN communication system |
| U029387 | Lost Communication with Hybrid Powertrain Control Module Missing Message | While the vehicle is being driven at 5 km/h (3 mph) or more, a communication error between the hybrid vehicle control ECU and the forward recognition camera is detected for approximately 6 seconds or more. | CAN communication system |
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Click here .gif)
(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) Recheck for DTCs and check that no DTCs are output.
Click here
OK:
U012587, U012687, U012987 and U029387 are not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO CAN COMMUNICATION SYSTEM |
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DESCRIPTION
The forward recognition camera receives vehicle information from the hybrid vehicle control ECU via the CAN communication line.
When the forward recognition camera is unable to determ
SEE MORE:
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The following procedure is for the LH side.
NOTICE:
While the auxiliary battery is connected, even if the power switch is off, the brake control system activates when the brake pedal is depressed or the
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the power mirror control system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS CHECK HINT:
In troubleshooting, confirm that the
