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:

Brake Signal Malfunction (B2284)
DESCRIPTION This DTC is stored when the brake signal information from the cable and the brake signal information from the CAN communication line are inconsistent HINT: When the power management control ECU is replaced with a new one and the cable is con ...

Wireless remote control
The wireless remote control can be used to lock and unlock the vehicle. Vehicles without a smart key system 1. Locks all the doors 2. Sounds the alarm (press and hold) 3. Unlocks all the doors Pressing the button unlocks the driver’s door. Pressing ...

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