Suzuki SX4 Service Manual page 1181

Step
3 Contact coil circuit (horn and audio control switch
circuit) check (non cruise control model)
1) Check for continuity between each terminal of horn
switch terminals [A] and audio control switch terminals
[B] (if equipped) as shown in figure.
[A]
Terminal
E
F
Is each measured resistance 3
Action
A B C D E F
a b c d e f
[B]
Terminal
e
A a
f B b
C c
D d
I6RW0C820017-01
Ω
or less?
Air Bag System:
Yes
Go to Step 5.
8B-88
No
Replace contact coil.