LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Oldsmobile
>>
2003
>>
Aurora
>>
Repair and Diagnosis
>>
Engine Mechanical
>>
Engine Cooling Fan System
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Cooling Fan System
Expand All (for easy ctrl-f)
Collapse All
Model Identification
Description & Operation
Electric Cooling Fan Control
Programming
Trouble Shooting
Preliminary Information
Diagnostic Starting Point - Engine Cooling
Symptoms - Engine Cooling
Notes
Visual/Physical Inspection
Intermittents
Symptom List
Self-Diagnostics
Diagnostic Trouble Code Definitions
Diagnostic System Check - Engine Cooling
Diagnostic Tests
DTC P0480 OR P0481: Cooling Fan 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: Engine Coolant Overtemperature - Protection Mode Active
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the MIL/DTC
Testing
System Tests
Cooling Fan Always On
Cooling Fan Inoperative
Removal & Installation
Notes
Cooling Fan
Notes
Removal (V6)
Removal (V8)
Installation (V6)
Installation (V8)
Torque Specifications
Connector Identification
Wiring Diagrams