What is the cooling fan CODE 9 FAULT - 1986 Cadillac Seville

possible stuck fan relay relay remove relay and test with a meter

The cooling fans are computer controlled, the engine temperature at which they are turned on is about 225-230F, the signal comes from the ECT sensor. The fans are controlled through a relay in the underhood fuse and relay power distribution box, the location of the fan relay is shown on a sticker on the bottom of the lid over the power distribution box. The fan system is tested by the computer when you run a fault code test with a code reader or a scanner. Do this and see if a fault code comes up. DO NOT OVERHEAT THIS ENGINE OR YOU WILL DO SERIOUS DAMAGE TO THE CYLINDER HEAD GASKETS RESULTING IN A HUGELY BIG REPAIR BILL. Get this repaired ASAP.

Chrysler Cooling Fan Relay - YouTube

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Chrysler cooling fans are a common fault. However they can be a little puzzling to test. Review the electrical ... images for 1996 Chrysler New Yorker Where is ...




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Diagnose Engine Cooling Fan Relay Problem

if it is not EFI there will be no fault codes
if the fan is on the water pump then it will be a viscous fan (clutch ) hub and needs to be replaced.

check cooling fan fuse or fuse link.it all is good. fan relay or engine coolant temperature sensor.could have ECM FAULT it controls coolant fan relay and coolant fan.code scan for ECM FAULT YOU WILL SEE CHECK ENGINE FLASH IF PROBLEM IN THE ECM.but check cooling fan hot wire it using jumper wires to battery.if fan okay replace engine coolant temperature sensor.

You will find all Diagnostic Code details available at http://ww.bluejag.co.uk .

This code P0560

Fault Code:- P0560 Indicates a Power-train fault


The fault is generally due to a problem in the Vehicle Speed & Idle Control area


Fault Description: Battery power supply voltage malfunction Note: This DTC can be flagged due to fuel injection pressure sensor fault. If P0193 is also flagged, correct first.

Action of ECM:- none


After clearing the DTC, complete the Engine temperature cool (cooling fans not running) Remove ignition key for 20 seconds (cooling fans not running) Ignition key in, position II for 5 seconds (do not start) Repeat cycle two additional times
Check for a reoccurrence of fault DTC.

Possible Fault:- ECM battery power supply open circuit, high resistance

The code is cooling fan fault. Could be bad cooling fan, bad sensor(s) (there's more than 1 for your fan. Have a good shop look at it for you, it can get pretty detailed for diagnosis.

CHECK COOLING FAN FUSE AND RELAY.IF BOTH GOOD SCAN CAR TO CHECK COOLANT TEMPERATURE SENSOR FAULT CODE.THE PCM AND COOLANT TEMP. SENSOR IS WHAT CAUSE FAN TO RUN AT CERTAIN TEMPERATURE.IF ALL IS GOOD.HOT WIRE COOLING FAN USING JUMPER WIRES TO BATTERY.IF FAN DONT RUN REPLACE FAN MOTOR.IF FAN RUNS YOU HAVE SHORT OR BROKE WIRE IN THE COOLING FAN ELECTRICAL CONNECTOR.

That fault indicates a problem in the electronic cooling fan circuit. More specificly the output driver in the onboard computer has detected a problem with the control circuit of the electronic fans. First inspect for correct operation of both radiator mounted fans.

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