Lincoln Corsair: Engine Cooling - 2.0L EcoBoost (177kW/240PS) – MI4 / Diagnosis and Testing - Cooling Fan Control
Diagnostic Trouble Code (DTC) Chart
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Module |
DTC |
Description |
Action |
PCM |
P0480:00 |
Fan 1 Control Circuit: No Sub Type Information |
GO to Pinpoint Test KN |
Global Customer Symptom Code (GCSC) Chart
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).
Symptom |
Action |
Start/Run/Move >
Running >
Overheats >
Always |
GO to Pinpoint Test KN |
Start/Run/Move >
Running >
Overheats >
Intermittent |
GO to Pinpoint Test KN |
Pinpoint Tests
PINPOINT TEST KN: VARIABLE SPEED ELECTRIC COOLING FAN MOTOR
Introduction
Refer to Wiring Diagrams Cell 033 for schematic and connector information.
Normal Operation and Fault Conditions
Refer to the DTC Fault Trigger Conditions.
DTC Fault Trigger Conditions
DTC |
Description |
Fault Trigger Condition |
PCM P0480:00 |
Fan 1 Control Circuit: No Sub Type Information |
Sets if the PCM detects the voltage on the fan control variable (FCV) circuit is not within the expected range.
|
Possible Sources
- Cooling fan circuitry concern
- Cooling fan relay
- Cooling fan clutch solenoid
- Cooling fan module (8B658)
- Cooling fan assembly (8C607)
-
PCM (12A650)
|
System Operation
Engine coolant flows primarily from the engine to the radiator circuit
and back to the coolant pump. Coolant is sent from the coolant pump
through the engine block and cylinder heads...
Special Tool(s)
Coolant/Battery RefractometerROB75240 or equivalent
D-Gas Adapter300-OTC014-R1068 or equivalent
Radiator Tester014-R1072 or equivalent
UView® Combustion Leak TesterUVU560000-R
Diagnostic Trouble Code (DTC) Chart
WARNING:
Before beginning any service procedure in this section,
refer to Safety Warnings ..
Other information:
Materials
Name
Specification
Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear LubricantXY-75W85-QL
WSS-M2C942-A
Draining
With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting - Overview (100-02 Jacking and Lifting, Description and Operation).
Remove the underbody shield.
Refer to: Engine Front Undershield (501-..
NOTE:
AWD suspension shown, FWD similar.
Item
Description
1
Coil spring
2
Stabilizer bar and links
3
Shock absorber
4
Wheel knuckle
5
Wheel bearing and wheel hub assembly
6
Wheel studs
7
Lower arm and bushing assembly
8
Toe link
9
Upper arm
..