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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 784 (Engine Cooling System) >> Diagnostic Information and Procedures >> Low Engine Coolant Indicator Always On >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the coolant level switch.
  2. Test for infinite resistance between the signal terminal A and the ground circuit terminal B with the switch in the open position.
    • If not the specified value, replace the coolant level switch.
  3. Test for less than 5 ohms between the signal terminal A and the ground circuit terminal B with the switch in the closed position.
    • If greater than the specified range, replace the coolant level switch.
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