Question about 2005 Toyota Corolla

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2005 toyota corolla horn doesn't work

Horn stopped working several months ago; have tested fuse and circuit box in fuse box under hood; what next? how expensive? seems a lot of Corollas have horn issues

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  • elpo Apr 21, 2012

    what's a test light? a co-worker said to use a voltimeter (?) to make sure the 12 v were making it to the horn?

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  • Contributor
  • 13 Answers

You can replace the horn. Check to see if the wires connected to the horn have power. Check with a test light. If power is present then the horns are bad.

Posted on Apr 19, 2012

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Would appreciate help for a Toyota Corolla 2007 non-working horn.

If the horn works with direct connection, and fuse, relay, and circuit breaker are all good, it's the switch in the steering wheel. If it is anything like the chrysler auto's, the switch and the air bag module is all one unit, can't replace just the switch, the whole thing, and it's about $700 to $800 for those units, at least it is here, and can only get them at a dealer.

Posted on Mar 24, 2009

  • 1986 Answers

SOURCE: Horn location for 2005 Toyota Corolla?

It should be under your hood somewhere near the front grill

Posted on Sep 30, 2009

nampaboat
  • 150 Answers

SOURCE: I have a toyota camry 2000 and since I bought it

The click you here is the horn relay, You need to find the horns and check for power at the wire connectors. But you probably have a bad low and now a bad high not horn. since the relay clicks your fuse is good so that eliminates the fuse.

Posted on Feb 17, 2011

Testimonial: "The horns were bad and as you stated the relay and fuse were good. Thanks for your help!!"

cansmo
  • 2431 Answers

SOURCE: my radio and clock stopped

There are 2 fuse are of concern in the driver are youll see an area that is like a drawer,where you can put thing in like small stuff ,money (well i do) remove that drawer and behind there is a fuse and comes with a white looking pick use that to pull and inspect the fuse on at a time, are any broken replace it, now the other fuse location from the driver section underneath is another set of fuses and comes with a white pick pull each fuse till you find the broken one, The fuses in the hood is called the battery junction,that s for alternator brake ABS, 02 sensor heater.

Posted on Apr 24, 2011

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Make my horn honk


I looked at info for a Silverado 1500. Use a test light to check for voltage at horn fuse in under hood fuse box. According to this diagram, the horn relay has to be energized. Have a helper hit the horn switch when you check voltage at horn fuse. If hot, have to check wiring circuit to horn. In the diagram, dark green wire is voltage and black wire is ground. You could actually use jumper wires from battery for voltage and ground to horn, for testing.

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Is the air bag light lit on the instrument cluster ? The horn relay isn't under the hood in the engine compartment , it's in the SJB - smart junction box located inside the passager compartment . Under the dash panel left side . You can take the relay back to autozone because it's not the right one ! The relay is inside the smart junction box ,soldered to the printed circuit board !
Horn Horn
The vehicle is equipped with dual horns. The horns are mounted in the LF frame rail corner behind the front bumper.
The horn system consists of the following components:
  • steering wheel horn switches
  • clockspring
  • horns
  • smart junction box (SJB)
Horn Switch, Steering Wheel Mounted
The horn switches are incorporated within the driver side air bag module in the steering wheel. The switches are grounded and control the horns through the clockspring. For removal and installation of the driver side air bag module, refer to Section 501-20B .
Visual Inspection Chart Mechanical Electrical
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  • Horn switch
  • Battery junction box (BJB) fuse 1 (60A)
  • Smart junction box (SJB) fuse 38 (15A).
  • Circuitry
  • Speed control actuator
  • Clockspring
  • SJB

Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index
DTC Description Source Action B1217 Horn relay coil circuit failure Smart junction box (SJB) If the horn is inoperative, Go To Pinpoint Test A . If horns sound continuously, Go To Pinpoint Test B . B1218 Horn relay coil circuit short to battery Smart junction box (SJB) Go To Pinpoint Test A .
Any codes ?
Symptom Chart NOTE: Refer to Wiring Diagrams for connector numbers stated in the pinpoint test. Condition Possible Sources Action
  • The horn is inoperative
  • Battery junction box (BJB) fuse 1 (60A).
  • Smart junction box (SJB) fuse 38 (15A).
  • Circuitry.
  • SJB.
  • Horn switch.
  • Horn.
  • Speed control actuator.
  • Go To Pinpoint Test A .

Your best bet , take it to a qualified ford service center .

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1 Answer

Location of horn fuse


There should be a fuse for the horns. Your owner's manual would give the location. It may be in the fuse/relay block under the hood. Is there another fuse panel under the driver's side dash?
There is also a horn relay in the horn circuit. This should be in the under hood relay block, but they only rarely are the problem. The most common problem with no horn is the horn switch under the horn pad on the steering wheel. The metal contact strips often get bent out of shape. You would have to pull the horn pad off to check. The pad may be held on by plastic clips, or maybe Phillips head screws from the back of steering wheel. If that part looks good, you would probably need a voltmeter or test light to start checking for power along the circuit. Sometimes just finding the horns themselves can be difficult. Maybe behind the grill, or seen from inside a fender well (behind the fender inner liner), or mounted to a lower radiator support...somewhere on the front of car.

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