LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1864 (Engine Cooling System) >> Diagnostic Information and Procedures >> Cooling Fan Always On (2.2L and 2.4L) >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: You must perform the Circuit/System Verification before proceeding with Circuit/System Testing.
  1. Ignition OFF, disconnect the relays.
  2. Ignition ON, observe that the fan is not activated.
    • If the fan is not activated, replace the faulty relay.
    • If the fan is activated, test the fan voltage supply circuits for a short to voltage.
scientia non olet · About LEMON Manuals