Lexus NX: Acoustic Vehicle Alerting System
Lexus NX Service Manual / Vehicle Exterior / Acoustic Vehicle Alerting System / Acoustic Vehicle Alerting System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Speaker Circuit (B1350)
- Lost Communication with Brake System Control Module (U0129,U0140,U0293)
- There is No Sound Made
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Precaution
PRECAUTION PRECAUTIONS FOR VEHICLE PROXIMITY NOTIFICATION SYSTEM (a) In the following cases, the volume or tone of the sound might change: (1) If the vehicle is parked in a very hot or cold environmen
Parts Location
PARTS LOCATION ILLUSTRATION *1 VEHICLE APPROACHING SPEAKER ASSEMBLY *2 VEHICLE APPROACHING SPEAKER CONTROLLER *3 HYBRID VEHICLE CONTROL ECU *4 INSTRUMENT PANEL JUNCTION BLOCK ASSEM
System Diagram
SYSTEM DIAGRAM
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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)
CAN communication system
Brake booster with master cylinder a
Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH side.
The procedure listed below is for the LH side.
PROCEDURE 1. PRECAUTION NOTICE: After turning the power switch off, waiting time may be required before disconnecting the cable from the auxiliary battery n
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