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Horns (4-cyl) Acura TSX II

Horns 7 illustrations ~386 words

Scheme 8

Scheme 8: Component Location Index
Scheme 8: Component Location Index

Scheme 9

Scheme 9: Circuit Diagram
Scheme 9: Circuit Diagram

Scheme 10

Scheme 10: Horn Test/Replacement
Scheme 10: Horn Test/Replacement

Scheme 11

Scheme 11
Scheme 11
  1. Remove the grille cover (see «FRONT GRILLE COVER REPLACEMENT»(/acura/tsx/ii-2008-2014/remont/exteriorinterior-trim/#exterior-trim-4-cyl__front-grille-cover-replacement) ).
  2. Disconnect the 1P connector (A) from each horn (B).
  3. Test the horn by momentarily connecting battery power to the terminal (A) and grounding the bracket (B). The horn should sound.
  4. If it fails to sound, replace it.

Horn Switch Test

Note. SRS components are located in this area. Review the SRS component locations (see COMPONENT LOCATION INDEX ), and precautions and procedures (see PRECAUTIONS AND PROCEDURES ) before doing repairs or servicing. Check for a blown No. 10(10 A) fuse in the under-hood fuse/relay box. If it is blown, check for a faulty horn relay.

Scheme 12

Scheme 12: Horn Switch Test
Scheme 12: Horn Switch Test

Scheme 13

Scheme 13
Scheme 13

Scheme 14

Scheme 14
Scheme 14
  1. Turn the steering wheel 180 degrees from the center position and remove the cover (A).
  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 «COLUMN COVER REMOVAL/INSTALLATION»(/acura/tsx/ii-2008-2014/remont/gauges-instrument-panels/#dashboard-4-cyl__column-cover-removalinstallation) ).
  6. Remove the driver's airbag assembly (see «REMOVAL»(/acura/tsx/ii-2008-2014/remont/airbag/#srs-supplemental-restraint-system-4-cyl__removal) ).
  7. Disconnect the 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). Wire side of female terminals
  10. Connect dashboard wire harness 20P connector terminals No. 1 and No. 2 with a jumper wire. The horns should sound.
  1. If the horns sound, replace the cable reel (see «CABLE REEL REPLACEMENT»(/acura/tsx/ii-2008-2014/remont/airbag/#srs-supplemental-restraint-system-4-cyl) ).
  2. If the horns do not sound, repair an open in terminal No. 2 or No. 1 wire, or a faulty driver's MICU, replace the driver's under-dash fuse/relay box, USA models (see «DRIVER'S UNDER-DASH FUSE/RELAY BOX (MICU)REMOVAL AND INSTALLATION»(/acura/tsx/ii-2008-2014/remont/fuses-circuit-breakers/#under-dash-fuserelay-box-4-cyl__drivers-under-dash-fuserelay-box-micu-removal) ), Canada models (see «SPECIAL TOOLS REQUIRED»(/acura/tsx/ii-2008-2014/remont/fuses-circuit-breakers/#under-dash-fuserelay-box-4-cyl__special-tools-required) ).

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