Honda CR-V: Horns
Component Location Index
- HORN
- HORN SWITCH
- HORN RELAY CIRCUIT (Built into the MICU)
- CABLE REEL
- UNDER-DASH FUSE/RELAY BOX
Circuit Diagram
Horn Switch Test
1. Remove the steering column covers.
2. Disconnect the dashboard wire harness 20P connector (A) from the cable reel (B).
3. Using a jumper wire, connect the dashboard wire harness 20P connector No.1 terminal to body ground. The horns should sound.
- If the horns sound, go to step 4.
- If the horns do not sound, check these items:
- No. 12 (15 A) fuse in the under-hood fuse/relay box.
- Horn.
- MICU.
- An open in the wire.
4. Reconnect the dashboard wire harness 20P connector (A) to the cable reel (B).
5. Remove the driver's airbag assembly, and disconnect the horn switch 1P positive terminal (C) from the driver's airbag.
6. Check for continuity between the dashboard wire harness 20P connector No.1 terminal and the cable reel subharness 20P connector No. 11 terminal.
- If there is continuity, go to step 7.
- If there is no continuity, replace the cable reel.
7. Check for continuity between the cable reel subharness 20P connector No. 11 terminal and the horn switch 1P positive terminal.
- If there is continuity, check the installation of the
driver's airbag assembly and the steering wheel.
If OK, replace the driver's airbag assembly.
- If there is no continuity, repair an open in the wire.
Horn Test/Replacement
1. Remove the front bumper.
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.
READ NEXT:
Exterior Lights
Component Location Index
DAYTIME RUNNING LIGHTS CIRCUIT
HEADLIGHTS
FRONT SIDE MARKER/PARKING/
TURN SIGNAL LIGHTS
HIGH MOUNT BRAKE LIGHT
LICENSE PLATE LIGHT
TAILLIGHT and BRAKE LIGHT
REA
System Description
Headlights System Description
The headlight system is composed of the MICU, the headlight and
dimmer/flash-to-pass switches (inside the
combination light switch), the left and right headlights, and t
DTC Troubleshooting
DTC B1078: Daytime Running Lights Signal
Error (Canada)
DTC B1079: Daytime Running Lights Signal
Error (USA)
NOTE: If you are troubleshooting multiple DTCs, be
sure to follow the instructions in B-CAN
SEE MORE:
Carbon Monoxide Hazard
Your vehicle’s exhaust contains
carbon monoxide gas. Carbon
monoxide should not enter the
vehicle in normal driving if you
maintain your vehicle properly and
follow the information on this page.
Have the exhaust system inspected
for leaks whenever:
The vehicle is raised for an
Emissions Testing
Testing of Readiness Codes
If you take your vehicle for an
emissions test shortly after the
battery has been disconnected or
gone dead, it may not pass the test.
This is because of certain ‘‘readiness
codes’’ that must be set in the onboard
diagnostics for the emissions
systems
