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:

TRAC OFF Indicator Light does not Come ON
DESCRIPTION Refer to TRAC OFF Indicator Light Remains ON (See page ). WIRING DIAGRAM Refer to TRAC OFF Indicator Light Remains ON (See page ). CAUTION / NOTICE / HINT NOTICE: When replacing the master cylinder solenoid, perform calibration (See page ...

Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2) (P0976,P0977)
DESCRIPTION Shifting from 1st to 5th is performed in combination with the ON and OFF operation of the shift solenoid valves SL1, SL2, S1, S2 and SR, which is controlled by the ECM. If an open or short circuit occurs in one of the shift solenoid valves, th ...

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