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Home >> Cadillac >> 2013 >> Escalade Hybrid, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Cooling System) >> Diagnostic Information and Procedures >> Cooling Fan Always On (without HP2) >> Circuit/System Testing

Circuit/System Testing

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    NOTE:

    The following tests must be performed on each cooling fan relay.

  1. Ignition OFF, disconnect each cooling fan relay one at a time.
  2. Ignition ON, observe that the fans are not activated.
    • If the fans are activated, test for a short to voltage in the relay controlled output circuit.
    • If the fans are not activated, test or replace the appropriate cooling fan relay.