Subaru Legacy (2005 year). Service manual — part 947
COMMUNICATION SYSTEM
COM
Page
General Description . . . . . . . . . . . . . . . . . . . . . 2
Horn System . . . . . . . . . . . . . . . . . . . . . . . ...3
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Horn Switch. . . . . . . . . . . . . . . . . . . . . . . . .5
COM-2
Vehicle-id:
SIE-id:S904001a03:A:CAUTION
∼
COMMUNICATION SYSTEM
General Description
1. General Description
A: CAUTION
• Before disassembling or reassembling parts, al-
ways disconnect the battery ground cable from bat-
tery. When replacing audio, control module, and
other parts provided with memory functions, record
memory contents before disconnecting the battery
ground cable. Otherwise, the memory will be
erased.
• Reassemble in reverse order of disassembly, un-
less otherwise indicated.
• Adjust parts to the given specifications.
• Connect the connectors securely during reas-
sembly.
• After reassembly, make sure functional parts op-
erate smoothly.
B: PREPARATION TOOL
1. GENERAL TOOLS
TOOL
NAME
REMARKS
Circuit
tester
Used for measuring resistance and voltage.
TORX
®
BIT
T30
Used for removing and installing driver’s air-
bag module.
COM-3
COMMUNICATION SYSTEM
Horn System
2. Horn System
A: WIRING DIAGRAM
1. HORN
<Ref. to WI-294, WIRING DIAGRAM, Horn Sys-
tem.>
B: INSPECTION
1. HORN RELAY
Measure the horn relay resistance between termi-
nals (indicated in table below) when connecting the
terminal No. 4 to battery positive terminal and ter-
minal No. 3 to battery ground cable.
Current
Terminal No.
Standard
Flow
1 and 2
Less than 1
Ω
No Flow
More than 1 M
Ω
COM00001
(1)
(2)
(1)
(4)
(2)
(3)
(3)
(4)
COM-4
Vehicle-id:
SIE-id:S904437a18:A:REMOVAL
∼
COMMUNICATION SYSTEM
Horn
3. Horn
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the two clips and turn up the lower mud
guard RH.
3) Remove the horn bracket mounting bolt (A).
4) Disconnect the harness connector and remove
the horn assembly (B).
B: INSTALLATION
Install in the reverse order of removal.
C: INSPECTION
With 12 V direct current supplied between horn ter-
minals, check that the horn sounds properly.
LI-00288
COM00016
(B)
(A)
COM00020
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