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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Inspection
INSPECTION PROCEDURE 1. INSPECT SEAT MEMORY SWITCH (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Switch Condition Specified Condition 1(MRY) - 5(E) SET switch pressed Below 1 Ω SET switch not pressed 10 kΩ o
Terminals Of Ecu
TERMINALS OF ECU CHECK DCM (TELEMATICS TRANSCEIVER) Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition I183-1 (+B) - I183-20 (E) Y - W-B Power source (+B) Power switch off 11 to 14 V I183-3 (SIG-) - I183-20 (E) G - W-B Ground Alway
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