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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Wiring Systems And Power Management - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Power Mode Mismatch >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle in Service Mode.
  2. Verify that the appropriate devices controlled by the KR76 Retained Accessory Power Relay turn ON and OFF when cycling the vehicle between ON and OFF.
    • If the devices do not turn ON and OFF 

      Refer to Circuit/System Testing - Diagnostic A.

    • Go to next step: If the devices turn ON and OFF 
  3. Verify that the appropriate devices controlled by the KR73 Ignition Main Relay turn ON and OFF when commanding the Run/Crank Relay On and Off with a scan tool.
    • If the devices do not turn ON and OFF 

      Refer to Circuit/System Testing - Diagnostic B.

    • Go to next step: If the devices turn ON and OFF 
  4. Verify that the appropriate devices controlled by the KR75 Engine Controls Ignition Relay turn ON and OFF cycling the vehicle between ignition ON to Ignition OFF.
    • If the devices do not turn ON and OFF 

      Refer to Circuit/System Testing - C.

    • Go to next step: If the devices turn ON and OFF 
  5. All OK.
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