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Home >> Buick >> 2012 >> Verano >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Wiring Systems And Power Management - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Power Mode Mismatch >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify that the device turns on and off when commanding the appropriate ignition relay ON and OFF with a scan tool.
    • If the KR73 ignition main relay does not change 

      Refer to Circuit/System Testing - Diagnostic A.

    • If the KR72B ignition 1 relay does not change 

      Refer to Circuit/System Testing - Diagnostic B.

    • If the KR75 engine controls ignition relay does not change 

      Refer to Circuit/System Testing - Diagnostic C.

    • If the KR76 retained accessory power relay does not change 

      Refer to Circuit/System Testing - Diagnostic D.

    • If the ignition relay's change 
  3. All OK.
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