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Altima: Drove car to my garage and removed alt and exhaust,

Customer Question
Drove car to my garage...
Drove car to my garage and removed alt and exhaust, welded exhaust and reinstalled on car . After installing alt I then welded on front heat shield ,for got to remove battery cable now car won't start.
Submitted: 3 years ago.Category: Nissan
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Customer reply replied 3 years ago
I installed a new cam and crank sensors,as well as a new timing chain
Answered in 12 minutes by:
6/1/2015
Nissan Mechanic: Rick, Nissan Master Technician replied 3 years ago
Rick
Rick, Nissan Master Technician
Category: Nissan
Satisfied Customers: 503
Experience: 27 Years working in Nissan Dealerships Currently working for Nissan Dealer
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Hi my name is***** will answer your question the best I can if I have helped please remember to leave a positive rating
I'm assuming that the welding was done with an arc welder. Unfortunately with the battery connected the excessive voltage on the car probably fried the ECM I would like to know if the security light is on solid red when the key is in the on position, also if your able to check are there any codes in the ecm
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Customer reply replied 3 years ago
The service engine light is yellow and no codes
Customer reply replied 3 years ago
And the welding was done with a mig welder
Customer reply replied 3 years ago
The security light is also yellow
Customer reply replied 3 years ago
Also when I removed the alt I had pull up on the power disturb ion box to remove the bottom alt bolt
Nissan Mechanic: Rick, Nissan Master Technician replied 3 years ago
Is the radiator fans coming on when you turn the key to on?
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Nissan Mechanic: Rick, Nissan Master Technician replied 3 years ago
There should be a light on the top of the dash near the defroster vents that usually flashes red
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Customer reply replied 3 years ago
I will go a and check There are no security lights on in the car
Customer reply replied 3 years ago
When the key is on the light goes out
Customer reply replied 3 years ago
Also the fans don't come on
Nissan Mechanic: Rick, Nissan Master Technician replied 3 years ago
So we have spark and the engine cranks normally no codes in the ecm, and were able to access the ecm for diagnosis, those are all good things, If there is no pulse for the injectors, is there power for the injectors?
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Customer reply replied 3 years ago
No
Nissan Mechanic: Rick, Nissan Master Technician replied 3 years ago
Okay so no power to the injectors there is probably a fuse blown , I will try to get a diagram to show which fuse
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Nissan Mechanic: Rick, Nissan Master Technician replied 3 years ago
Have you been able to get the car started?
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