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Horn System Acura TL III

Horns 6 illustrations ~246 words

Scheme 1

Scheme 1: Component Location Index
Scheme 1: Component Location Index

Scheme 2

Scheme 2: Circuit Diagram
Scheme 2: Circuit Diagram

Scheme 3

Scheme 3: Horn Test/Replacement
Scheme 3: Horn Test/Replacement

Scheme 4

Scheme 4
Scheme 4
  1. Remove the inner fender (see «FRONT INNER FENDER REPLACEMENT»(/acura/tl/iii-2003-2006/remont/exterior-body-panels/#fenderwell__front-inner-fender-replacement) ).
  2. Disconnect the 1P connector (A) from each 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.

Scheme 5

Scheme 5: Horn Switch Test
Scheme 5: Horn Switch Test

Scheme 6

Scheme 6
Scheme 6
  1. Remove the steering column covers (see «STEERING COLUMN REMOVAL AND INSTALLATION»(/acura/tl/iii-2003-2006/remont/manual-power-steering/#power-steering-system__steering-column-removal-and-installation) ).
  2. Disconnect the cable reel 13P connector (A) from the dashboard wire harness.
  3. Using a jumper wire, connect the No. 1 terminal of the dashboard wire harness 13P connector to body ground. If the horns sound, go to step 4. If the horns don't sound, check these items: No. 13 (20 A) fuse in the underhood fuse/relay box. Relay control module in the underhood fuse/relay box. Horns (see «HORN TEST/REPLACEMENT»(/acura/tl/iii-2003-2006/remont/horns/#horn-system) ). An open in the wire.
  4. Reconnect the cable reel 13P connector (A) to the dashboard wire harness.
  5. Remove the driver's airbag assembly (see «DRIVER'S AIRBAG REPLACEMENT»(/acura/tl/iii-2003-2006/remont/airbag/#air-bag-srs-supplemental-restraint-system) ), and disconnect the horn switch 1P positive terminal from the cable reel (B).
  6. Using a jumper wire, connect the cable reel side 1P connector (C) to body ground. If the horns sound, replace the driver's airbag assembly. If the horns do not sound, check these items: Cable reel. An open in the wire (cable reel sub harness).