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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (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 2010 Pontiac G5 and 2010 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 B33 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 B33 switch.
  3. Test for less than 5 Ω 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 B33 switch.
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