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) Owner's Manual: Battery

Before performing battery maintenance, remove the battery cover by pressing the tab. WARNING Wash hands after handling the battery and related accessories Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Fail-safe Chart

FAIL-SAFE CHART PULSE FAILURE (a) If a pulse sensor built into the power window regulator motor assembly malfunctions, the following power window operations will be prohibited. Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly Power Window Operation Condition Ignition switch ON Ignition switch off (Key-off operation permitted) Ignition switch off (Key-off operation prohibited) Manual up (Switch on the door) ▲ X - Manual down (Switch on the door) ● X - Auto up (Switch on the door) X X - Auto down (Switch on the door) X X - Manual up (Remote switch operation) X X - Manual down (Remote switch operation) X X - Auto up (Remote switch operation) X X - Auto down (Remote switch operation) X X - Key-linked open and close - X X Wireless transmitter-linked open and close*1 - X X *1: w/ Wireless Transmitter-linked Close Function HINT: ●: Operates without catch protection ▲: Operates for approximately 0...