Lexus NX: Lost Communication with Brake System Control Module (U0129,U0293,U1104)
DESCRIPTION
The power steering ECU assembly receives signals from the hybrid vehicle control ECU, skid control ECU(brake booster with master cylinder assembly) and forward recognition camera via the CAN communication system.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Return-to-normal Condition | Note |
|---|---|---|---|---|---|---|
| U0129 | Lost Communication with Brake System Control Module | Lost communication with skid control ECU (brake booster with master cylinder assembly) |
| On | After normal confirmation | - |
| U0293 | Lost Communication with Hybrid Control Module | Lost communication with hybrid vehicle control ECU |
| On | After normal confirmation | - |
| U1104 | Lost Communication with Driving Support ECU | Lost communication with Forward recognition camera |
| Off | After normal confirmation | - |
PROCEDURE
| 1. | GO TO CAN COMMUNICATION SYSTEM |
(a) Go to CAN Communication System.
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| NEXT | .gif) | END |
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Power Steering Warning Light Circuit
DESCRIPTION The power steering ECU is connected to the combination meter via CAN communication. If any of the following conditions are detected, the power steering warning light remains on.
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Steering wheel
Adjustment procedure
Manual type
1. Hold the steering wheel and push
the lever down.
2. Adjust to the ideal position by moving
the steering wheel horizontally
and vertically.
After adjustment, pull the lever up to
secure the steering wheel.
Power type
Operating the switch moves the s
Vehicle Control History
VEHICLE CONTROL HISTORY NOTICE: When checking the vehicle control history, first record the output codes and after clearing the history, check the output history again. CHECK VEHICLE CONTROL HISTORY (LANE TRACING ASSIST SYSTEM) (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG
