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Home › Chevrolet › 2006 › Malibu SS › Repair and Diagnosis › Engine Performance › System › Engine Control System - 3.9L - DTC P0315 To DTC P2071 › DTC P1682 › Circuit/System Verification

Circuit/System Verification

  1. Ensure that the vehicle battery is fully charged and in proper working order. Refer to.
  2. With the ignition ON and the engine OFF, observe the EC Ignition Relay Feedback Signal parameter on the scan tool. The voltage should be more than 10 volts.
    • If the voltage is less than 10 volts, continue with Circuit/System Testing.
  3. Observe the EC Ignition Relay Feedback Signal parameter on the scan tool while turning OFF the ignition. The voltage should decrease to 0 volts.
    • If the voltage is more than 0 volts, continue with Circuit/System Testing.
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