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Wiring for power source of ecu on pathfinder 1999

Hi my name is gaby of gabysgarage in haitiihave a nissan pathfinder 1999 se wich immobiliser when itry to program a new key cause the key has been loost[ i use an sbbscanner ]but ihave to teel you to they have many bad electrician working on before me light stay on when i try to diag it which aCarman 2 scanner ihave acode like i need awiring diagram to repair but cant find it here in haiti pease help me

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Posted on Jan 02, 2017

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SOURCE: Need an ecu wiring diagram

what is the car doing?? by you saing "need a ECM diagram?" what is the problem with the car. that car is pretty bulletproof and I have't seen any ECM issues unless your A/C drain is clogged up and water leaked onto/into your ECM frying it up. Let me know what your symptoms are.

Posted on Sep 01, 2008

  • 99 Answers

SOURCE: 2004 nissan altima key code

You have to take it to the dealer to get the new key programmed. Try holding the old key near the ignition switch and see if it will start. That way at least you could drive it to the dealer instead of paying for a tow truck.

Posted on Nov 26, 2008

  • 125 Answers

SOURCE: need fuse diagram for 97 nissan pathfinder

sorry I wasnt able to locate fuse diagram but safe bet and for sure solution my advice is to purchase a repair manual for any vehicle you own ex:haynes or chiltons will do from local parts store for about $20.00 or on or direct from haynes or chiltons sorry I searched for awhile nothing online I could find I'll keep trying though and check back if I get anything.

Posted on Feb 06, 2009

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SOURCE: A/C compressor in 1999 nissan pathfinder quit

its not the fuse, check the A/C control relay under the pocket , take out the pocket you can see the temp .control above the evaporator coil ducting.

Posted on Jun 14, 2009

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SOURCE: Where is the ECU located on the Nissan 94 Terrano

dont know for sure but all nissans ive worked on are behind the passengers side kick panel ( passengers left foot )

Posted on Aug 26, 2009

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"I have a 2006 Nissan Pathfinder 4.0 V6... Had ECU replaced . Now is throwing a random misfire code P300... what are these code and can one cause the other? Help!"

code p300 refers to random/multiple misfires--misfire detected==causes--spark plugs--HT leads --injectors--ignition coils--low compression--wiring
If you are only now experiencing the problem after changing the ECU, I would suspect that wiring and connections to the new ECU may not have been fitted properly. There may be problems in the ECU CPU (chip) and it may be necessary to use a scanner to reset the CPU program to recognize the sensors of the vehicle correctly

Nov 22, 2014 | 2006 Nissan Pathfinder

1 Answer

1999 nissan pathfinder brakes lights stays lit when ignition switch is turned off

the brake light switch will work without the key in the ignition if you push on the brake pedal, its just the way its designed. if you were to test the switch with a test light one wire is always powered up and the second wire is only powered when the brake pedal is pushes to activate the switch. if you test both wires without pushing the pedal I think you will find you have power on both wires indicating the brake switch has shorted and is working all the time. replace the brake switch.

Aug 22, 2014 | 1999 Nissan Pathfinder

1 Answer

My 1999 Nissan Pathfinder first just shut off on me, and computer said to replace some sort of sensor, then after we fixed that one it would tell us another one to replace, after we replaced every sensor,...

Sorry but you can't rely on fault codes or fault code readers.

If you have a problem it is best practice to initially forget the electronics and begin with the basics - visual and physical checks as if there was no electronics. Verify the presence of fuel and good delivery and the presence of a good spark, etc. etc.

Your car may be old but it is young enough to be fitted with an immobiliser. Immobilisers can be unreliable...

If you get a fault code it is a clue and nothing more. Don't spend money until the sensor, distributor or whatever has been checked and found to be faulty using meters, scanners, live data, oscilloscope...

When you get a fault code, erase it and try again. If at any time test results are inconsistent then remember when a code says a sensor is faulty it often means the sensor and/or the circuit, which could mean wiring, connectors or even the ECU. An ECU is quite capable of telling lies, they aren't bullet-proof and can sustain damage in all sorts of ways but continue to work satisfactorily for a further year or more and then suddenly for no apparent reason begin causing trouble.

No way should you need to replace every sensor or need 3 distributors. It is hard, tedious work checking an entire management system circuit for continuity and the cleanliness of every single connection but if the results of testing are inconsistent the ECU must be suspected and due to the expense, the groundwork must be done before replacement can be justified.

Jun 04, 2017 | 1999 Nissan Pathfinder

1 Answer

Where is the starter in a 1999 Nissan Pathfinder SE 4 wd

follow the positive battery wire under the hood it leads to the starter

Sep 22, 2012 | 1999 Nissan Pathfinder

1 Answer

Where is the started in a 1999 nissan pathfinder se 4wd

Should be under the exhaust manifold where the engine and transmission connect.

Sep 22, 2012 | 1999 Nissan Pathfinder

1 Answer

92 nissan pathfinder radio

need a diagram of wires. can buy manual of go to local auto zone and they may be able to print you out one at no cost...good luck

Aug 13, 2012 | 1992 Nissan Pathfinder

1 Answer

My nissan pathfinder se 1999 is overheating while in idle what couls cause this

NEED HELP....I have a 2006 Nissan pathfinder is getting over heat, already do the flash and change thermostat.. you can run it everything is ok but if you go to a far place it get over heat, I lead cold down and I can use it but then happen the same.. so I need your help please

Jul 29, 2010 | 1999 Nissan Pathfinder

1 Answer

1999 nissan pathfinder, won't turn over.

By using a prob/test light(make sure that battery is fully charged) If not sure if battery is fully charged try boosting with jumper cables. Then try cranking if not sound like a clicking is heard check power wire at the starter check the fthick one thats bolted on to starter for constant power (should have power all the time as long as battery is connected) then with ignition on and in cranking postion(attenpt to crank)check second wire for power there should be power when key is in crank position and will go out when key is released. IF YOU GET POWER WHEN IN CRANK POSITION .. then the starter is BAD. Replace and that will fix you atrating problem. If ther is NO power from constant power wire then it coul mean a loose positive batter pole or corrosion on terminals or may be a bad fusible link, these links are on the positive battery poll. check and make sure NONE of them are burnt out/broken. This problem could also mean a bad ignition switch too or blown ignition fuse please check all fuse. Good luck and thanks for using FIX YA, conatct if you need more help.

Mar 20, 2009 | 1999 Nissan Pathfinder

1 Answer


what is the problem with the truck?? let me know.

Aug 30, 2008 | 2006 Nissan Pathfinder

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