Subaru Impreza 2002 Service Manual page 3446

4. Horn Switch
A: REMOVAL
WARNING:
Before servicing, be sure to read the notes in
the AB section for proper handling of the driver
airbag module. <Ref. to AB-3, CAUTION, Gener-
al Description.>
1) Disconnect the ground cable from battery.
2) Remove the driver's airbag module. <Ref. to AB-
12, Driver's Airbag Module.>
3) Remove the horn switch from the steering wheel
as shown.
B: INSTALLATION
Install in the reverse order of removal.
HORN SWITCH
C: INSPECTION
Measure the horn switch resistance.
Switch position
When horn switch
is pushed.
When horn switch
is not pushed.
S6M0095
COM-5
COMMUNICATION SYSTEM
B6M1493
Terminal No. Resistance
Less than 1Ω
1 and Body
ground
More than 1MΩ