Electric Cooling Fans

• Description & Operation
  • Notes
  • Cooling Fan Control
• Component Locations
• Programming
  • Powertrain Control Module
• Trouble Shooting
  • Preliminary Inspection
  • Intermittent Or Poor Connections
  • Symptoms - Engine Cooling
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
• Self-Diagnostic System
  • Retrieving Diagnostic Trouble Codes
  • Clearing Diagnostic Trouble Codes
  • Diagnostic System Check - Engine Cooling
  • Diagnostic Trouble Code Definitions
• Diagnostic Tests
  • DTC P0480: Low Speed Cooling Fan Relay Control Circuit Improper Voltage
    • Circuit Description
    • Conditions For Running DTC
    • Conditions For Setting DTC
    • Action Taken When DTC Sets
    • Conditions For Clearing MIL/DTC
    • Diagnostic Aids
    • Test Procedure
  • DTC P0481: High Speed Cooling Fan Relay Control Circuit Improper Voltage
    • Circuit Description
    • Conditions For Running DTC
    • Conditions For Setting DTC
    • Action Taken When DTC Sets
    • Conditions For Clearing MIL/DTC
    • Diagnostic Aids
    • Test Procedure
  • DTC P1258: High Engine Coolant Temperature
    • Circuit Description
    • Conditions For Running DTC
    • Conditions For Setting DTC
    • Action Taken When DTC Sets
    • Conditions For Clearing MIL/DTC
    • Test Procedure
• System Tests
  • Notes
  • Test A: Cooling Fan Always On
  • Test B: Cooling Fan Inoperative
  • Test C: Engine Overheating
• Removal & Installation
  • Notes
  • Electric Cooling Fan
    • Removal
    • Installation
  • Electric Cooling Fan Motor
    • Removal
    • Installation
  • Fan Relays
    • Removal
    • Installation
• Torque Specifications
• Connector Identification
• Wiring Diagrams
• Special Tools