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:
REMOVAL CAUTION / NOTICE / HINT HINT: When removing the name plates, heat the vehicle body, back door outside garnish and name plates using a heat light. Heating Temperature Item Temperature
Vehicle Body
Back Door Panel
40 to 60°C (104 to 140°F)
Back Door Outside Garnish
Name Plates
20 to 30°C (68 to 86°F) CAUTION:
Do not touch the heat light and heated parts, touching the heat light may result in burns...
INSPECTION PROCEDURE 1. CHECK CANISTER (FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY) (a) Visually check the canister (fuel suction with pump and gauge tube assembly). (1) Visually check the canister (fuel suction with pump and gauge tube assembly) for cracks or damage...
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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