Grand Caravan FWD V6-3.3L VIN 3 Flex Fuel (2002)
Radiator Cooling Fan Motor: Component Tests and General Diagnostics
The cooling fan control system is governed by the PCM and the HVAC system, Chrysler provides related diagnostics for this component. There is PCM
fan relay output testing at Computers and Control Systems, Testing and Inspection, Related System Tests, Driveability See: Powertrain
Management/Computers and Control Systems/Testing and Inspection/Component Tests and General Diagnostics
Trouble Code P1491 also concerns the cooling fan motor and relay. For this testing refer to Computers and Control Systems, Testing and Inspection,
Trouble Code Diagnostic Charts See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests
and Associated Procedures
In addition, refer to the wiring diagrams at Powertrain Management 8w30-3, See: Powertrain Management/Diagrams/Electrical Diagrams as well as,
Heating and Air Conditioning, 8w42-15
