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What is pcm on a Honda accord cooling system the cooling fans are not working and it can be a faulty pcm

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  • Honda Master
  • 2,306 Answers

First thing to check is the relay under the hood in the fuse boIfpop the lid off and flip it over to see the diagram of what fuses/ relays control what. If it is air-conditioned turn it on and see if the fans start up.if so change the relay and your good.

Posted on Apr 24, 2017

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Posted on Jan 02, 2017

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What does a po1259 code for a 2001 honda accord 3.0 litre, v-tec b-1 sys. failure mean


Here is the explanation from engine-codes.com

P1259 Honda Description
The VTEC system activates the VTEC solenoid valve by command from the powertrain control module (PCM), and it charges/discharges the hydraulic circuit of the VTEC mechanism that is installed in the valve system to switch valve timing between Low and High. The PCM monitors oil pressure conditions in the hydraulic circuit of the VTEC mechanism according to the VTEC oil pressure switch downstream of the VTEC solenoid valve. If there is a disparity between oil pressure condition in the hydraulic circuit that is determined by the PCM command, and the oil pressure condition that is determined by the status of the VTEC oil pressure switch, the system is considered faulty and a DTC is stored.

Read more: http://engine-codes.com/p1259_honda.html#ixzz3aiInXy9j

May 20, 2015 | 2001 Honda Accord

1 Answer

Cooling fans do not come on 1994 honda accord


turn on a/c if they still dont come one unplug and use jumper wires to ck fans if they dont work replace both fans if fans work ck fuse and relays if fuse and relay have power ck pcm/ecm

Jul 29, 2012 | Honda Cars & Trucks

1 Answer

I have a 1993 Honda Accord four door EX, and my problem is my fan is not not working and my car is over heating. So what could be the problem?


Most likely the fan is dead but before you change the cooling fan, just check the fuse to ensure it is not bown. You can also try to knock the fan motor with some kind of hard object like metal rod, if it works then it is time for the fan motor replacement as there is some faulty parts inside the fan motor.

Oct 29, 2011 | 1993 Honda Accord

1 Answer

My 99 Honda Accords keeps overheating on and off when my car is on park or at a long stop. What can be the problem?


FIRST OF ALL I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP THEN CHECK SEE IF COOLING FAN RUNNING.WHILE CAR OVERHEATING. IF NOT CHECK COOLING FAN FUSE AND RELAY.IF ALL IS GOOD THE ENGINE COOLANT TEMPERATURE SENSOR COULD BE FAULTY.HOT WIRE SEE COOLANT FAN WORKS IF NOT, COOLING FAN MOTOR BAD NEED REPLACING.IF COOLING FAN MOTOR WORKING PROBLEM COULD BE IN FAN MOTOR WIRING OR PCM FAILED.

Sep 20, 2011 | 1999 Oldsmobile Alero

1 Answer

Could a faulty IAT sensor on a Honda Accord LX 1997 cause over-hearting?


A faulty Intake Air Temperature sensor would not cause overheating. Have your cooling fans, fan relay, thermostat, and cooling fan switch checked. These are possible causes and are known to cause this problem on these models.

Aug 31, 2011 | 1997 Honda Accord

1 Answer

Engine cooling fans don't come on


COOLING FANS DONT TURN COULD BE FAULTY FAN RELAY.FAULTY PCM AND FAULTY COOLANT TEMPERATURE SENSOR.CODE SCAN FOR FAULTY PCM CODE AND A FAULTY COOLANT TEMPERATURE SENSOR.SEE IF ENGINE COOLANT TEMPERATURE SENSOR IS GIVING CORRECT COOLANT TEMPERATURE USING A CODE SCANNER.IF ENGINE IS 190 DEGREES AND THE ENGINE COOLANT TEMPERATURE SENSOR READING 100 TO 80 DEGREES COOLANT SENSOR IS BAD.HOT WIRE COOLING FAN TO SEE IF FAN MOTOR WORKS.BECAUSE COOLING FAN MOTOR COULD HAVE OPEN CIRCUIT CAUSING ELECTRIC MOTOR NOT TO TURN ON.

May 13, 2011 | 2003 Dodge Stratus

1 Answer

1995 honda accord ex auxiliary cooling fan not engaging


The accy fan you are refurring to is actually the a/c consensor fan.The only time that fan operates is with the cycling of the a/c system.Verify by turning a/c on ,fan should come on & off with a/c cycles..

Oct 17, 2009 | 1995 Honda Accord

1 Answer

I HAVE A 91 HONDA ACCORD WHICH HAS TWO ELEC FANS


Both fans cool the motor. If you have the air conditioner on both fans will run because the cars cooling system will have to disapate more heat. If you have the air conditioner off only one fan will run because the heat load on the engine isn't as great.

Jan 01, 2009 | 1991 Honda Accord

2 Answers

Radiator cooling fan


Just fixed this problem. Replace the sensor or switch on the thermostat housing and viola!

Sep 19, 2008 | 1994 Honda Civic

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