Question about 1998 Nissan Altima

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I am working on a 1998 nissan altima. The fan for heat and A/C quit, checked fuses, have no power to the fan speed switch and can't find the relay.

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Posted on Jun 25, 2009



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1995 nissan altima se fans not working

If you mean the cooling fan on the radiator, the computer grounds the fan relay when the fan is needed. If the engine temp reaches 220 degrees or you turn on the ac and the fan does not come on, check the relay first.

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Go to the fuse block and check 15A fuse D which feeds power to the blower motor. Then check 10A fuse K which feeds power to the blower relay and the fan (blower) speed select relays. If the fuses check OK, the blower relay, the fan switch or the speed control relays may be defective. also, the fan speed resistor may be defective

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1 Answer

Heater blower stop working

First thing would be to check the fuse.
If the fuse is good, test the power to the fan with a voltmeter. If there is no power to the fan, then the switch or relay is at fault. You can test the relay itself with an ohmmeter.
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1 Answer

Windshield Wipers on 2007 Altima Quit on High

It might be either switch itself or wiper relay.
Ufortunatly I don't know location of the relay.
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2003 Nissan Altima. A/C quit & engine overheated.

verify the radiator fans, fuses, relays of fans. when you turn on the a/c all the radiator fan turn on too, if not you have a problem with it.

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1 Answer

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2 Answers


only it you is employed at the number 4 for which you have the fan bad control amplifer this one serves for the control of the speeds and eta located behind lower right side of dash. Thanks

Jan 03, 2010 | 2005 Nissan Altima

1 Answer

Why dot't the radiatop fans in 1998 nissan altima work?

There are two possibilities first there is a coolant temperature switch that activates the fan relay that could be bad, second the fan relay may be faulty. It is doubtful that the fan itself is bad. I would use a voltmeter on the OHM setting which looks like an upside down U to check for continuity after the motor heats up check and see if the coolant switch is ok by touching the two probes to the terminals on the switch the voltmeter should read zero after the motor heats up if not replace the coolant temperatur switch for the fan if the switch is good replace the relay for the fan.

Oct 27, 2009 | 1998 Nissan Altima

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