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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Engine compartment
Components
Fuse box
Engine coolant reservoir
Engine oil filler cap
Power control unit coolant reservoir
Brake fluid reservoir
Radiator
Condenser
Electric cooling fans
Engine oil level dipstick
Washer fluid tank
Engine compartment cover
■ Removing the engine compartmen
Invalid Data Received from Brake System Control Module Invalid Serial Data Received (U041881)
DESCRIPTION
The forward recognition camera receives signals from the skid control ECU (brake booster with master cylinder assembly) corresponding to the brake control status via the CAN communication line.
When a brake control system malfunction signal is received from the skid control ECU (bra
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