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P22AA CODE CAR NOT POWER + THE RADIATOR FAN ON AN OFF

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IS THERE ONLY ONE RADIATOR FAN RELAY FUSE I CAN ONLY FIND ONE


GAS ENGINES
Radiator fan operation is controlled by the Total Integrated Power Module (TIPM) with inputs from the Powertrain Control Module (PDC). Inputs for coolant temperature and vehicle speed are sent to the the Powertrain Control Module (PCM) (1). This information is then sent via the communication bus to the TIPM which turns on the radiator fans.
Refer to Radiator Fan Operation Chart for fan operation specifications. For fan circuit wiring diagrams, refer to WIRING DIAGRAMS.
If the cooling fan is inoperative or a Diagnostic Trouble Code (DTC) related to fan control has been set, (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Diagnosis and Testing) for diagnostic procedures
One fuse #15 50 amp. No relay , controlled by the TIPM ,computer controlled .

Nov 07, 2017 | Chrysler Cars & Trucks

1 Answer

02 dodge ram 1500 4.7L p1491 code Radiator fan control relay


Pretty hard to offer advice on mystery vehicles, especially since they're all wired differently.

Thanks for the extra info. Chrysler uses a digital radiator fan controller to vary the speed of the fan. Since it's digital they mount it to a frame member as a heat sink to keep it cool. When rust forms, the controller overheats and shorts out, resulting in no power to the fan. Check the fan controller as your first step.

http://ricksfreeautorepairadvice.com/car-overheats-chrysler-vehicles/

Jul 21, 2017 | Cars & Trucks

1 Answer

What is code 35 and 76 for 1993 grand cherokee


35 is p1491 which is Radiator fan control relay circut (bad relay).... An open or shorted condition detected in the low speed radiator fan relay control circut

I dont have 76 i have 77 is p1683 which is Speed control power relay or s/c 12v driver ckt...... Malfunction detected with power feed to speed control servo solenoids. MAYBE another bad relay

Mar 25, 2013 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Radiator fan switch or coolant temp sensor however it is called is not activating the radiator fan when temperature is high. . .iS THERE a way to by pass this switch or sensor so it can activate the...


CHECK COOLING FAN FUSE AND RELAY.IF ALL IS GOOD.HOT WIRE COOLING FAN TO MAKE SURE COOLING FAN MOTOR IS WORKING. IF COOLING FAN RUNS WHEN YOU HOT WIRE FAN MOTOR.CODE SCAN FOR ECM FAULT CODES.REPLACE THE ENGINE COOLANT TEMPERATURE SENSOR NO NEED TO BYPASS THE SENSOR.

Aug 22, 2011 | 2004 Suzuki Aerio

4 Answers

What does the diagnostic test code P1491 means?


Hello jhonney21,

The P1491 is Radiator fan control relay circuit code. It is set if an open or short circuit is detected in the radiator fan relay control circuit.

Regards,
netvan

Feb 25, 2011 | 2001 Chrysler Voyager

2 Answers

2001 suzuki esteem engine code p0481 how do i fix it


Radiator cooling fan 2, control system malfunction. Check fuses under hood & in fuse panel under dash. If all are good check for power & ground to radiator fan motors. Verify motors work by powering up with jumper wires. If they work may have bad relay. If they dont work will need to replace motor.

Jan 24, 2011 | Suzuki Esteem Cars & Trucks

2 Answers

P1491 diagnostics code for 2003 Jeep Grand Cherokee



Trouble Code: P1491 You PCM does not sense current to radiator fan when it turns it on. Is the fan coming on or not? Usually not when you have this code. Problem can be with the fuse, relay, wiring or fan itself. First check the fuse. If good, next try swapping the relay with another one in the engine compartment relay box, such as the horn relay.
Let the car warm up and see if the fan will come on. If yes, get a new relay. If not, either use a test light to see if there is voltage at the fan connector when the engine is on and hot, or else test the fan motor by hotwiring it to the battery. If none of this works, please get back to me for how to troubleshoot the wiring.


Radiator Fan Control Relay Circuit Malfunction
Possible Causes:


Radiator fan control relay circuit is open or shorted to ground Radiator fan control relay circuit is open (test power to IGN) Radiator fan control relay is damaged or has failed PCM has failed

Nov 10, 2010 | 2003 Jeep Grand Cherokee

1 Answer

Radiator fan is missing wire or electrical connection. my 1998 civic ex is overheating and has lost all coolant in the rediator. The wiring from the fan to the power source is misdsing. Where does the wire...


Is your Civic air-conditioned (have two fans: radiator(on the left, facing the car) and condenser (on the right, facing the car)?
Does your radiator fan run at all, when the car gets hot?
Have you checked your radiator fan relay in your underhood fuse box (far upper left, facing the car, locations on cover)?
Have you investigated the thermostat?

Leave a comment in answer and I will try to help you

Dec 18, 2009 | 1998 Honda Civic

1 Answer

Radiator fans will not go on


check fuses and relay to fan, if not it, check wiring to fans.

Mar 14, 2009 | 2001 Dodge Grand Caravan

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