Toyota Yaris: Horn / Relay

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Exterior / 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

Condition

Specified Condition

3 - 5

Auxiliary battery voltage not applied between terminals 1 and 2

10 kΩ or higher

3 - 5

Auxiliary battery voltage applied between terminals 1 and 2

Below 1 Ω

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

    Horn System

    Parts LocationPARTS LOCATION ILLUSTRATION *1 LOW PITCHED HORN ASSEMBLY *2 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - HORN RELAY - HORN FUSE ILLUSTRATION *1 HORN BUTTON ASSEMBLY *2 SPIRAL CABLE SUB-ASSEMBLY *3 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *4 POWER DISTRIBUTION BOX ASSEMBLY *5 DLC3 - - System DiagramSYSTEM DIAGRAM Problem Symptoms TablePROBLEM SYMPTOMS TABLE NOTICE: If the main body ECU (multiplex network body ECU) is replaced, refer to the Registration...

    Lighting (ext)

    ..

    Other information:

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    Categories

    Key Suspend Function

    If a key is left in the vehicle, the functions of the key left in the vehicle are temporarily suspended to prevent theft of the vehicle.

    To restore the functions, press the unlock button on the functions-suspended key in the vehicle.

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