1999 Nissan Altima electrical circuit cutoff

1999 NISSAN ALTIMA
140,000 MILES • 4 CYL • 2WD • AUTOMATIC
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HEMANT
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Nissan Altima 1999 GLE

All electrical and electronic circuits gets cut off automatically. sometime it

comes back within 5 min but sometime its comes only after the car parked for a day.
When circuits gets cut off, odometer, left and right indicators, vipor, power

windows, AC stops working. The only thing that works is hazard light, audio tape
and head light.

I tried changing Oxygen sensor, ECM,idle controller ,Alternator, ignition relay,
starter switch etc but dosent help. The services engine light keep coming and goes automatically after 500 miles.

The observation is that I get this problem in the month of May & June when there is hot outsite. Rest of the 10 months, my car really works fine without any issues.
May 15, 2011 at 3:32 AM
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KHLOW2008
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Was any trouble codes retrieved for the CEL indicating?

May 15, 2011 at 11:41 AM
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HEMANT
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Twice I tried to check the codes, mechanic inform me that its not showing any codes. The code reader does not get any signals from ECM.

Today morning after parking car for 12 hrs, everything started working again. I drove to the mechanic and came back. The moment I turned off my car/engine, the electronic circuit stops working again (realize when tried to auto locke the doors)
May 15, 2011 at 3:17 PM
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KHLOW2008
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It is a problem with power distribution interruption and you should start checking from the fusible links and underhood fuse box connections.
May 15, 2011 at 3:57 PM
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HEMANT
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Thanks, I will try to look around the fuse box.Is it possible that moisture is getting form somewhere which is causing some relay to trip off. Once the car parked, the moisture is getting off and the relay start working again ?
May 16, 2011 at 5:34 PM
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KHLOW2008
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It is possible but the circuits that you mentioned are not controlled by any relays.
May 16, 2011 at 9:04 PM