Does anybody have any idea on how to get the Wiring Diagram for NISSAN SENTRA 2002. The Horn is not working. Both fuses and Horn by itself are OK. I couldn't find the Horn Relay location. Advise....

go to pepboys or discount auto zone , and under the books isle, u should see a book for ur car and year that gives u the installation instructions for every screw till every wire >>>>>

hey i gotta call b.s. on that one cuz ive already checked everywhere for my wiring diagrahm and got no luck and as far as the books go i got a 02 ser non spec v and they dont make any of the chiltons or haynes books for my car yet becuz its still to new
sorry

yeah, they're not out yet... bad luck

Thanks guys, for the advises.... Maybe somebody knows where the Horn relay is located. I think, the problem is with the relay, because if I press Panick Alarm button, the light is flashing, but the horn is dead. So,
something is wrong with the relay-not with the horn button...
Anybody has a clue on how to find the Horn Relay?

go to ur dealer they should do it no charge is if is just a relay

Automakers don't let out their information until 3 years out so that's why you can't find anything. Law makers are trying to change that. Anyway, there is no horn relay for your car. It is a direct feed. You'll see a white/green wire comming out of the column. THat circuit should rest at 12v+ and will trigger the horn when it goes to ground. The horn is also found at the Time Control Unit or the SECU (smart entrance control unit) and is to the right of the steering column.

Ponchonutty, thanks for the information. Maybe you know why the horn circuit has two (2) fuses. How are they connected? The voltage +12 is on both fuses and horn is working, if apply the +12V directly.

igofman , did you check if the cable behind the steering wheel is correctly fitted?? maybe yo push the horn and just it is un-pluged

Did you ever get anywhere with this. I have the same problem on a 2002 Sentra....no horn...fuses ok....thanks!

Thanks People For Your Advises. I've Bought A Cd With A Repair Manual For Nissan Swntra 2001-2004 (all Pdf Files) On Ebay For Just $0.50 (!). So, I've Fixed The Problem. It Was A Bad Wire Between Fuse Box And Relay Box.

Igofman, thanks for the info. Can you tell me where the relay is located? Thanks.

Hello greatone7,
If you give me your email, I can send you this schematic (and location chart) as a pdf attachment.

Hey Igofman....thanks! I PM'ed you my email address.

Did you ever get anywhere with this. I have the same problem on a 2002 Sentra....no horn...fuses ok....thanks!
Hi I am having troubles with wiring on my 2002 Nissian sentra. Could you send me a copy of the wiring diagram.

095giqt02@sneakemail.com

Thanks Ray

Thanks People For Your Advises. I've Bought A Cd With A Repair Manual For Nissan Swntra 2001-2004 (all Pdf Files) On Ebay For Just $0.50 (!). So, I've Fixed The Problem. It Was A Bad Wire Between Fuse Box And Relay Box.

Hey,
I have a wiring problem with 2002 Sentra. Could you send me a copy of the wiring diagram? Iwould be happy to pay for CD.

anyone have something like that for 99?

Thanks People For Your Advises. I've Bought A Cd With A Repair Manual For Nissan Swntra 2001-2004 (all Pdf Files) On Ebay For Just $0.50 (!). So, I've Fixed The Problem. It Was A Bad Wire Between Fuse Box And Relay Box.

Just for posterity (and anyone else searching the forums as I did) I've just encountered the same situation on a 2001 Sentra. The dark green wire in the brown bundle between the underhood fuse panel and the underhood relay center is open. There are no connectors, just copper all the way, and this piece failed. What is more disconcerting is the size of the wire. It is 18 ga. at best, probably smaller. And even worse, it appears to be solid wire instead of stranded, which is about the worst thing to do in a harness which may be subjected to movement and vibration.

Hopefully, this will help someone else. That's two instances reported here alone, and probably countless others that aren't represented here.

horn problem ... Check wiring harness by the bottom left corner ( driver side ) of radiator . Wire normally breaks down there .. GL

Thanks for the hint. Do you mean in that white plastic guide/corner where everything gets jammed through? I had that all out, unclipped, and opened up along with the battery, fuse panel, cables, grille, coolant overflow and relay center, etcetera, so I could cleanly access the whole harness that routes under/in front of the lower radiator support. It's a good thing it all comes apart easily. I just ran a new wire - 11 strand 16 Ga.- and soldered/shrink tubed it at the fuse panel and relay center. I didn't have the correct green, but the next unfortunate soul working on this should be able to figure it out, since it's an obviously different wire from everything else.

I was mistaken about the OEM wire being solid. It is actually five strand - Still not very flexible.