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:

IG Power Source Circuit
DESCRIPTION The main power source is supplied to the air conditioning amplifier assembly when the ignition switch is turned to ON. The power source is used for operating the air conditioning amplifier assembly, servo motors, etc. WIRING DIAGRAM CAUTIO ...

Cruise control
Use the cruise control to maintain a set speed without depressing the accelerator pedal. 1. Indicators 2. Cruise control switch Setting the vehicle speed Press the “ON-OFF” button to activate the cruise control. Cruise control indicator will co ...

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