Lexus NX: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message (U012587,U012687,U012987,U014087,U029387)
DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U012587 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message | 3 seconds after the power switch is turned on (IG), while the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the airbag sensor assembly and the forward recognition camera is detected for approximately 5 seconds or more. |
|
| 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 5 seconds or more. |
|
| 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 brake booster with master cylinder assembly (skid control ECU) and the forward recognition camera is detected for approximately 5 seconds or more. |
|
| U014087 | Lost Communication with Body Control Module Missing Message | 3 seconds after the power switch is turned on (IG), a communication error between the main body ECU (multiplex network body ECU) and the front steering control ECU is detected for approximately 5 seconds or more. |
|
| U029387 | Lost Communication with Hybrid Powertrain Control Module Missing Message | While the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the hybrid vehicle control ECU and the forward recognition camera is detected for approximately 5 seconds or more. |
|
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:
DTCs U012587, U012687, U012987, U014087 and U029387 are not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO CAN COMMUNICATION SYSTEM |
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Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEAT ADJUSTER ASSEMBLY LH (w/o Memory) (a) Check the operation of the slide motor. (1) Apply auxiliary battery voltage to the slide motor connector, and check that the front seat adjuster assembly LH operates smoothly as follows. OK: Condition Specified
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. REMOVE SIDE MUDGUARD SUB-ASSEMBLY LH HINT: When removing the side mudguard sub-assembly LH, if the No. 3 moulding tape (double-sided tape) is diff
