Lexus NX: Horn System
Parts Location
PARTS LOCATION
ILLUSTRATION
| *1 | LOW PITCHED HORN ASSEMBLY | *2 | HIGH PITCHED HORN ASSEMBLY |
| *3 | HORN RELAY | *4 | SPIRAL CABLE SUB-ASSEMBLY |
| *5 | STEERING PAD SWITCH ASSEMBLY | *6 | HORN BUTTON ASSEMBLY |
| *7 | HORN FUSE | *8 | NO. 2 ENGINE ROOM RELAY BLOCK |
System Diagram
SYSTEM DIAGRAM
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Horn System| Symptom | Suspected Area | Link |
|---|---|---|
| Horn does not sound | HORN fuse | - |
| HORN relay | | |
| Low pitched horn assembly | | |
| High pitched horn assembly | | |
| Steering pad switch assembly | | |
| Spiral cable sub-assembly | | |
| Horn button assembly | | |
| Harness or connector | - |
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Relay
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT HORN RELAY ASSEMBLY (a) Remove the horn relay assembly. (b) Measure the resistance according to the value(s) in the tabl
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For your information
Main Owner's Manual
Please note that this manual applies to
all models and explains all equipment,
including options. Therefore, you may
find some explanations for equipment
not installed on your vehicle.
All specifications provided in this manual
are current at the time of printing.
How
Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Security Horn Assembly *B w/o Security Horn Assembly *1 HIGH PITCHED HORN ASSEMBLY *2 LOW PITCHED HORN ASSEMBLY *3 HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH) *4 SECURITY HORN ASSEMBLY *5 MAP LIGHT ASSEMBLY *6 THEFT WARNI
