Toyota Yaris: Horn / Relay

Toyota Yaris XP210 (2020-2025) 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:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Vsc Off Switch

ComponentsCOMPONENTS ILLUSTRATION *1 VSC OFF SWITCH (COMBINATION SWITCH ASSEMBLY) - - InspectionINSPECTION PROCEDURE 1. INSPECT VSC OFF SWITCH (COMBINATION SWITCH ASSEMBLY) (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Vehicle Control History

VEHICLE CONTROL HISTORY FUNCTION OVERVIEW (a) The vehicle control history is a function that records control data (record data) when triggered by specific vehicle behavior or user input. Checking the vehicle control history may provide, quantitative diagnostic information that can be used as a reference to proceed with a malfunction diagnosis...