Subaru Impreza 2003 Service Manual page 2999

4. Horn Switch
A: REMOVAL
WARNING:
Before servicing, be sure to read the notes in
AB section for proper handling of driver airbag
module. <Ref. to AB-3, CAUTION, General De-
scription.>
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 steering wheel as
shown in the figure.
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.
COM00004
COM-5
COMMUNICATION SYSTEM
2
1
5 4
Terminal No.
1 and Body
ground
More than 1 MΩ
COM00005
Resistance
Less than 1 Ω