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Home >> Chevrolet >> 2011 >> Corvette Base, 2D Convertible, Standard >> Repair and Diagnosis >> Electrical >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> Driver Information Center Switch Malfunction >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the DIC switch assembly.
  2. Ignition OFF, test for less than 1 ohm between the low reference circuit terminal F and ground.
    • If greater than the specified range, test the low reference circuit for an open/high resistance.
  3. Ignition ON, verify that all scan tool DIC Switch parameters are Inactive, Released or Off.
    • If any are not Inactive, Released or Off, test the signal circuit terminals listed below for a short to ground. If the circuit tests normal, replace the IPC.
      • Gauges switch signal terminal H
      • Trip switch signal terminal J
      • Options switch signal terminal K
      • Reset switch signal terminal G
      • Fuel switch signal terminal C
  4. Ignition ON, install a 3A fused jumper wire between the signal circuit terminals listed below and the low reference circuit terminal F. Verify that all scan tool DIC switch parameters are Active, Depressed or On.
    • Gauges switch signal terminal H
    • Trip switch signal terminal J
    • Options switch signal terminal K
    • Reset switch signal terminal G
    • Fuel switch signal terminal C
    • If any DIC switch parameters are not Active, Depressed or On, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the IPC.
  5. If all circuits test normal, test or replace the DIC switch.
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