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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls And Fuel - 2.0L (LTG) - Diagnostic Information And Procedures (P0010 - P0333)) >> Diagnostic Information And Procedures >> DTC P0030, P0031, P0032, P0036, P0037, P0038, P0054, P0135, P0141, P103B Or P103C: HO2S Heater >> Circuit/System Testing >> Test 2

Test 2

WARNING: This page is about a different variant/trim than selected.
  1. Ignition/Vehicle - Off
  2. Disconnect the appropriate electrical connector:K20 Engine Control Module
  3. Test for less than 2 Ω between the test points:Output terminal@Fuse & The other end of the circuit@Control module harness
    • If 2 Ω or greater 

      Repair the open/high resistance in the circuit:

    • Go to next step: If less than 2 Ω 
  4. Replace the component:K20 Engine Control Module
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