Toyota Tacoma (2015-2018) Service Manual: High Pitched Horn

Toyota Tacoma (2015-2018) Service Manual / Horn / High Pitched Horn

Components

COMPONENTS

ILLUSTRATION

Removal

REMOVAL

PROCEDURE

1. REMOVE RADIATOR GRILLE

Click here 2. REMOVE HIGH PITCHED HORN ASSEMBLY

2. REMOVE HIGH PITCHED HORN ASSEMBLY

(a) Disconnect the connector.

(b) Remove the bolt and high pitched horn assembly.

Inspection

INSPECTION

PROCEDURE

1. INSPECT HIGH PITCHED HORN ASSEMBLY

(a) Check the operation.

(1) Apply battery voltage to the terminal 1 and body ground, and check that the high pitched horn assembly sounds.

Text in Illustration

Component without harness connected

(High Pitched Horn Assembly)

Body Ground

OK:

Measurement Condition

Specified Operation

Battery positive (+) - Terminal 1

Battery negative (-) - Body ground

High pitched horn sounds

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

Installation

INSTALLATION

PROCEDURE

1. INSTALL HIGH PITCHED HORN ASSEMBLY

(a) Install the high pitched horn assembly with the bolt.

Torque:

20 N·m {199 kgf·cm, 14 ft·lbf}

(b) Connect the connector.

2. INSTALL RADIATOR GRILLE

Click here Horn Relay

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 ...

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Open in Pump Motor Circuit (C1251)
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Dtc Combination Table
DTC COMBINATION TABLE HOW TO INTERPRET COMMUNICATION DTCS (DTCS THAT START WITH U) (a) If a CAN communication error cannot be reproduced, determine the suspected malfunctioning part using the DTCs stored in ECUs that are connected to the CAN buses by following the procedure below. HINT: Comm ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FUEL CUT OPERATION (a) Start the engine and warm it up. (b) Increase the engine speed to at least 3500 rpm. (c) Use a sound scope to check for fuel injector assembly operation noise. (d) Check that when the accelerator pedal is released, fuel injector ...