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Home >> Chevrolet >> 2012 >> Orlando LS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls/Fuel - 2.4L - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0650 >> Circuit/System Testing
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Testing

  1. Ignition OFF, disconnect the X1 harness connector at the K20 engine control module.
  2. Ignition ON, the malfunction indicator lamp should not illuminate.
    • If the malfunction indicator lamp is illuminated, test the malfunction indicator lamp control circuit terminal 46 X1 for a short to ground. If the circuit tests normal, replace the P16 instrument cluster.
  3. Connect a 3 A fused jumper wire between the malfunction indicator lamp control circuit terminal 46 X1 and ground. The malfunction indicator lamp should illuminate.
    • If the malfunction indicator lamp illuminates, replace the K20 engine control module.
    • If the malfunction indicator lamp does not illuminate, test the malfunction indicator lamp control circuit terminal 46 X1 for a short to voltage or an open/high resistance. If the malfunction indicator lamp control circuit tests normal, test the instrument cluster ignition voltage circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the P16 instrument panel cluster/bulb.
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