Electric Cooling Fans

• Identification
• Description & Operation
  • Electric Cooling Fan Control
• Component Location
• Programming
  • Notes
  • Powertrain Control Module (Pcm)
• Trouble Shooting
  • Notes
  • Preliminary Inspection
• Self-Diagnostic System
  • Notes
  • Retrieving Diagnostic Trouble Codes
    • Using Scan Tool
  • Clearing Diagnostic Trouble Codes
    • Notes
    • Using Scan Tool
    • Disconnecting Battery
    • Warm-Up Cycles
  • Diagnostic System Check (Engine Cooling)
• Diagnostic Tests
  • DTC P0480: An Improper Voltage Level Has Been Detected On The Low Speed COOLFAN Relay Control Circuit
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Testing
  • DTC P0481: An Improper Voltage Level Has Been Detected On The High Speed COOLFAN Relay Control Circuit
    • Circuit Description
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Diagnostic Aids
    • Testing
  • DTC P1258: The Pcm Detects An Engine Over Temperature Condition
    • Circuit Description
    • Conditions For Running the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the MIL/DTC
    • Testing
• System Tests
  • Notes
  • Test A: Cooling Fan Always On
  • Test B: Cooling Fan Inoperative
• Removal & Installation
  • Notes
  • Cooling Fan (Electric)
    • Removal & Installation
  • Cooling Fan Motor (Electric)
    • Removal & Installation
  • Relay Electrical Center
    • Removal & Installation
• Torque Specifications
• Connector Identification
• Wiring Diagrams