Lexus NX: Lost Communication with Brake System Control Module (U0129,U0142,U0293)
Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Asc System / Lost Communication with Brake System Control Module (U0129,U0142,U0293)
DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0129 | Lost Communication with Brake System Control Module | No communication with brake booster with master cylinder assembly (skid control ECU) |
|
| U0142 | Lost Communication with Body Control Module "B" | No communication with main body ECU (multiplex network body ECU) |
|
| U0293 | Lost Communication With Hybrid Powertrain Control Module | No communication with hybrid vehicle control ECU |
|
PROCEDURE
| 1. | CHECK DTC |
(a) Clear the DTCs.
Click here .gif)
(b) Recheck for DTCs and check that no DTCs are output.
Click here
OK:
U0129, U0142 and U0293 are not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO CAN COMMUNICATION SYSTEM |
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Main Switch Circuit
DESCRIPTION The stereo component equalizer assembly detects vehicle sound switch signals. The ASC system can be turned on and off by operating the vehicle sound switch. WIRING DIAGRAM CAUTION / NOTIC
Power Source Circuit
DESCRIPTION This circuit is the power source circuit for the stereo component equalizer assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system
SEE MORE:
Dynamic radar cruise control with
full-speed range
In vehicle-to-vehicle distance control
mode, the vehicle automatically
accelerates, decelerates and
stops to match the speed changes
of the preceding vehicle even if the
accelerator pedal is not depressed.
In constant speed control mode,
the vehicle runs at a fixed speed.
Use the dynamic
Lost Communication with Drive Motor Control Module "A" (U0110-159,U0110-656,U0110-657)
DESCRIPTION For a description of the inverter. Click here The MG ECU, which is built into in the inverter with converter assembly, controls motor (MG2) based on commands from the hybrid vehicle control ECU. The MG ECU monitors communication data and detects malfunctions. The hybrid vehicle control
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