Toyota Yaris: 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. | |
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...
Other information:
REASSEMBLY PROCEDURE 1. INSTALL BRAKE MASTER CYLINDER RESERVOIR STRAINER (a) Install the brake master cylinder reservoir strainer to the brake master cylinder reservoir assembly. 2. INSTALL BRAKE MASTER CYLINDER RESERVOIR FILLER CAP ASSEMBLY (a) Install the brake master cylinder reservoir filler cap assembly to the brake master cylinder reservoir assembly...
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Categories
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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