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Home >> Chevrolet >> 2011 >> Volt >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.4L (LUU) - DTC P1400 Through DTC P2635 >> DTC P1682 >> Circuit/System Verification

Circuit/System Verification

NOTE: On the scan tool, the powertrain relay is referred to as the Engine Controls Ignition Relay.
  1. Ignition ON, observe the DTC information with a scan tool. Verify DTCs P0685 00, P0689 00, or P0690 00 are set.
  2. Ignition ON, observe the scan tool Engine Control Ignition Relay Feedback signal parameter. The parameter should display B+.
  3. Ignition ON, observe the scan tool Ignition 1 Signal and the Engine Control Ignition Relay Feedback signal parameters. Both parameters should display within 3 V.
  4. Operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that you observed from the freeze frame/failure records data.