Toyota CH-R Service Manual: Problem Symptoms Table

Toyota CH-R Service Manual / Horn / Horn System / 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

Spiral cable sub-assembly

Steering pad switch assembly

Horn button assembly

Instrument panel junction block assembly

Wire harness

-

Horn sounds all the time

HORN relay

Spiral cable sub-assembly

Steering pad switch assembly

Horn button assembly

Instrument panel junction block assembly

Main body ECU (Multiplex network body ECU)

Wire harness

-
    Parts Location
    PARTS LOCATION ILLUSTRATION *1 LOW PITCHED HORN ASSEMBLY *2 HORN RELAY *3 NO. 1 ENGINE ROOM RELAY BLOCK *4 ...

    System Diagram
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