Subaru IMPREZA GD 2007 Series Manual page 3680

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4. Horn Switch
A: REMOVAL
WARNING:
Before servicing, be sure to read the notes in
the AB section for proper handling of the driv-
er's airbag module. <Ref. to AB-3, CAUTION,
General Description.>
NOTE:
Horn switch is a unit with the driver's airbag mod-
ule.
1) Disconnect the ground cable from the battery.
2) Remove the driver's airbag module. <Ref. to AB-
13, 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 airbag module bracket.
(2)
(1) Horn switch terminal
(2) Airbag module bracket
Switch position Terminal No.
The airbag
module bracket
Horn switch
being pushed
terminal and
airbag module
The airbag
bracket
module bracket
being separated
Horn Switch
(1)
COM00037
Resistance
Less than 1 Ω
1 MΩ or more
COM-5
COMMUNICATION SYSTEM