Toyota 4Runner manuals

Toyota 4Runner: Horn System

Parts Location

PARTS LOCATION

ILLUSTRATION


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

See page

Horn does not sound

HORN fuse


Low pitched horn assembly


High pitched horn assembly


Engine room relay block (No. 1 integration relay)


Steering pad (Horn button assembly)


Steering pad switch assembly*

-

Spiral cable sub-assembly


Harness or connector

-

  • *: w/ Steering Pad Switch Assembly

System Diagram

SYSTEM DIAGRAM


Horn
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT HIGH PITCHED HORN ASSEMBLY (a) Apply battery voltage and check the operation of the horn according to the ...

Integration Relay
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE NO. 1 RELAY BLOCK COVER (a) Remove the No. 1 relay block cover. 2. INSPECT NO. 1 INTEGRATION RELAY (a) Using a screwd ...

Other materials about Toyota 4Runner:

Unable To Connect To Call Center
DESCRIPTION This may occur when the intensity of the telephone radio frequency was very weak, PRL updates are required or the Safety Connect system has a malfunction, and a DTC is stored. PROCEDURE 1. CHECK COMMUNICATION SERVICE C ...

ABS Warning Light Remains ON
DESCRIPTION If any of the following is detected, the ABS warning light remains on. The skid control ECU connectors are disconnected from the skid control ECU. There is a malfunction in the skid control ECU internal circuit. There is an ...

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