Honda Accord: Horn Switch Test - Horns - Body Electrical - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Horn Switch Test

NOTE: Check for a blown No. 10 (20 A) fuse in the under-hood fuse/relay box. If it is blown, check for a faulty horn relay.

1. Turn the steering wheel 180 degrees from the center position and remove the cover (A).

Wire side of female terminals


Wire side of female terminals

2. Disconnect the horn switch 2P connector (B).

3. Connect horn switch 2P connector terminals No. 1 and No. 2 with a jumper wire. The horns should sound.

• If the horns sound, check or adjust the installation of the driver's airbag assembly and the horn switch plate.

• If the horns don't sound, go to step 4.

4. Remove the jumper wire from the horn switch 2P connector.

5. Remove the steering column covers (see page 20-181).

6. Remove the driver's airbag assembly (see page 24-211).

7. Disconnect cable reel subharness 2 0 P connector (A).

8. Connect cable reel subharness 20P connector (A)


8. Connect cable reel subharness 20P connector (A) terminals No. 11 and No. 12 with a jumper wire. The horns should sound.

• If the horns sound, replace the cable reel subharness.

• If the horns don't sound, go to step 9.

9. Disconnect the dashboard wire harness 20P connector (A).

10. Connect dashboard wire harness 20P connector


10. Connect dashboard wire harness 20P connector terminals No. 1 and No. 2 with a jumper wire. The horns should sound.

• If the horns sound, replace the cable reel.

• If the horns don't sound, repair an open in terminal No. 2 or No. 1 wire, or a faulty driver's MICU.

    Horn Test/Replacement
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    Exterior Lights
    ...

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