Question about 2003 Honda Pilot
My guess, its a dead horn? both dead?
no actual question asked????????
the fuse is blow? in fuse box, eng. bay box.?
if no power to horn, (voltmeter)
we check power in and out of relay if there is one.
then at the horn button wire, (air bags can kill any mech. defeat them
first if heck bent to fiddly steering column parts in any why)
all this info is convered in in the FSM, get one. or login to alldata dot come. and read it.
here, ill look at yours. now.... a fast look.
ok 2 horns, hi/lo, and 1 relay in the under hood fuse box.
it should be labeled in the box, HORN
the relay can not work if the fuse is blown
or the horn enable line is dead. button.
the button grounds (0v) the relay via wire color lt.green-blu pin a11 on relay. if the a11 is at 12v the fuse is good.
if you push the horn button this A11 goes from 12v to 0v, and the relay energizes (click) and the horns both blow.
if no power makes it to the horns, the relay is bad no 12v
if by chance the relay output to horns go to 12v, then the horns are both dead.
Posted on Nov 11, 2013
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Posted on Jan 02, 2017
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Nov 18, 2016 | Saturn Cars & Trucks
If the test lamp illuminates, refer to the Horn Test.
Ignition OFF, disconnect the inline harness connector C275. Ignition ON, test for B+ between the horn relay control circuit terminal B and ground.
If less than B+, test the control circuit for an open/high resistance. If the circuit tests normal, replace the underhood fuse block.
Momentarily connect a 3-A fused jumper wire between the control circuit terminal B and ground. The horns should work.
If the horns do not work, replace the underhood fuse block.
If all circuits test normal, test or replace the horn switch
The PCB relay horn system consists of the following components:
Horn PCB relay
Body control module (BCM)
HORN fuse 15 A
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