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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B144A: RUN Power Relay Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the appropriate devices controlled by the KR74 Ignition Run Relay turns ON and OFF when cycling the ignition between ON and OFF
    • If the devices do not turn ON and OFF 

      Refer to Circuit/System Testing

    • If the devices turn ON and OFF 
  3. All OK.
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