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Home >> Chevrolet >> 2013 >> Impala LS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> Engine Coolant Temperature Indicator Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, verify that the engine coolant temperature indicator illuminates during the self test when the ignition is turned ON.
    • If the temperature indicator does not illuminate, replace the IPC.
  2. Ignition ON, verify that the scan tool Engine Coolant Temperature (ECT) Sensor parameter is within the temperature range shown on the engine coolant temperature gauge.
    • If not within the specified range, replace the IPC.
  3. If the temperature gauge is normal, refer to Engine Overheating .
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