Acura CSX. Manual — part 524
*01
SNR9A00J24200000000DAAT10
22-145
Horns
Component Location Index
HORN SWITCH
CABLE REEL
HORN RELAY CIRCUIT
(Built into the MICU)
HORN
UNDER-DASH FUSE/RELAY BOX
Test, page 22-147
Replacement, page 24-200
Test/Replacement, page 22-146
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SNR9A00J24200000000EAAT01
01
02
SNR9A00J24200032431FHAT02
22-146
22-146
Horns
Circuit Diagram
Horn Test/Replacement
F31
G16
G7
Q3
HORN
* : Ground through steering column.
*
MICU
ORN
LT GRN
(15 A)
No. 12
WHT
WHT
BATTERY
UNDER-DASH
FUSE/RELAY BOX
BRAKE
LIGHTS
CABLE
REEL
HORN
SWITCH
UNDER-HOOD
FUSE/RELAY BOX
D8
10
3
1
1
A
B
A
B
1. Remove the front bumper (see page 20-146).
2. Disconnect the 1P connector (A) from the horn (B).
3. Test the horn by connecting battery power to the
terminal (A) and grounding the bracket (B). The
horn should sound.
4. If it fails to sound, replace it.
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*01
02
SNR9A00J24200032411FEAT10
22-147
Horn Switch Test
A
A
B
C
1. Remove the steering column covers (see page
17-9).
2. Disconnect the cable reel 20P connector (A) from
the dashboard wire harness.
3. Using a jumper wire, connect dashboard wire
harness 20P connector terminal No. 10 to body
ground. The horn should sound.
• If the horn sounds, go to step 4.
• If the horn does not sound, check these items:
– No. 12 (15 A) fuse in the under-hood
fuse/relay box.
– MICU.
– Horn.
– An open in the wire.
4. Reconnect the cable reel 20P connector (A) to the
dashboard wire harness.
5. Remove the driver’s airbag assembly (see page
24-188), and disconnect the horn switch 1P positive
terminal (B) from the cable reel (C).
6. Using a jumper wire, connect the 1P connector to
body ground.
• If the horn sounds, replace the driver’s airbag
assembly.
• If the horn does not sound, check these items:
– Cable reel.
– An open in the wire.
Wire side of
female terminals
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*02
SNR9A00J32100000000DAAT00
22-148
Exterior Lights
Component Location Index
DAYTIME RUNNING LIGHTS CIRCUIT
(Built into the MICU)
HEADLIGHT
FRONT SIDE MARKER LIGHT
FRONT PARKING LIGHT
FRONT TURN SIGNAL LIGHT
FRONT SIDE TURN SIGNAL LIGHTS
HID UNIT
*1: With HID
*2: TYPE S and ’08 PREMIUM and ’09 models
FOG LIGHT RELAY
FOG LIGHT
TRANSMISSION RANGE SWITCH (A/T)
BACK-UP LIGHT SWITCH (M/T)
HIGH MOUNT BRAKE LIGHT
(Except TYPE S models)
LICENSE PLATE LIGHTS
INNER TAILLIGHT
TAILLIGHT and BRAKE LIGHT
REAR TURN SIGNAL LIGHT
BACK-UP LIGHT
REAR SIDE MARKER LIGHT
*1
*2
*2
Input Test, page 22-163
HID Bulb Replacement , page 22-168
Adjustment, page 22-173
Replacement, page 22-174
Bulb Replacement, page 22-177
Bulb Replacement, page 22-177
Bulb Replacement, page 22-178
Bulb Replacement, page 22-178
Replacement, page 22-192
HID Lamp System Troubleshooting,
page 22-170
Replacement, page 22-169
Test, page 22-70
Replacement, page 22-175
Adjustment, page 22-176
Test, page 14-265
Test,
• 5-speed, page 13-5
• 6-speed, page 13-83
Replacement, page 22-180
Replacement, page 22-180
Replacement, page 22-179
Replacement, page 22-179
Replacement, page 22-179
Replacement, page 22-179
Replacement, page 22-179
*1
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