Subaru Legacy 2004 Service Manual page 3725

4. Horn Switch
A: REMOVAL
WARNING:
Before servicing, be sure to read the notes in
AB section for proper handling of driver's air-
bag module. <Ref. to AB-4, CAUTION, General
Description.>
NOTE:
Horn switch is a unit with the driver's airbag mod-
ule.
1) Disconnect the ground cable from battery.
2) Remove the driver's airbag module. <Ref. to AB-
14, REMOVAL, Driver's Airbag Module.>
B: INSTALLATION
Install in the reverse order of removal.
C: INSPECTION
Measure the resistance between horn switch termi-
nal and chassis ground.
3 2
7 6 5 4
Switch position Terminal No.
When horn switch
is pushed.
3 and Chassis
ground
When horn switch
is not pushed.
1
COM00018
Resistance
Less than 1 !
More than 1 M!
Horn Switch
COM-5
COMMUNICATION SYSTEM