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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 >> Retained Accessory Power Malfunction (With AVJ) >> 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.
NOTE:

Use schematics to determine which devices are controlled by the KR76A Retained Accessory Power Relay 1 and KR76B Retained Accessory Power Relay 2. Use the connector end view to identify the ignition circuit terminal for each of those devices.

  1. Ignition ON.
  2. Verify the appropriate devices controlled by the KR76A Retained Accessory Power Relay 1 turn ON and OFF when commanding the Accessory/Retained Accessory Power Relay On and Off with a scan tool.
    • If the devices do not turn ON and OFF 

      Refer to Circuit/System Testing - Diagnostic A

    • If the devices turn ON and OFF 
  3. Verify the appropriate devices controlled by the KR76B Retained Accessory Power Relay 2 turn ON and OFF when cycling the ignition ON and OFF.
    • If the devices do not turn ON and OFF 

      Refer to Circuit/System Testing - Diagnostic B

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