Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Horn Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT HORN RELAY ASSEMBLY

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Connection

Specified Condition

3 - 5

Battery voltage not applied between terminals 1 and 2

10 kΩ or higher

3 - 5

Battery voltage applied between terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the horn relay assembly.

High Pitched Horn
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Horn System
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Other materials:

Reassembly
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Dtc Check / Clear
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System Description
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