Horn Circuit

DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: Horn Circuit

Horn Circuit

DESCRIPTION

The multiplex network body ECU activates the horn when a panic signal is detected from the door control transmitter.
HINT: The horn for the panic alarm function can be set to OFF.

WIRING DIAGRAM





INSPECTION PROCEDURE
HINT: The horn circuit uses BEAN for communication. If there are any malfunctions in this circuit, check for DTCs in the multiplex communication system
.

PROCEDURE

1. CHECK STEERING PAD
(a) When pushing the steering pad switch, check that the vehicle horn sounds normally.
OK:
The horn sounds normally.
NG -- GO TO HORN SYSTEM
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE