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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P2122 To DTC P2689 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Engine Cranks But Does Not Run >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
NOTE:

This diagnostic assumes the following:

  • The battery is completely charged.
  • There is adequate fuel in the fuel tank.
  1. Engine cranking for 15 s, observe the DTC information with a scan tool. Verify that DTC P0090, P0190, P0191, P0335, P0602-P0607, P060A-P060C, P061C, P062B-P062F, P0627, P0630, P064C, P0670, P0671, P0672, P0673, P0674, P161C, P161E, P161F, P2146, P2149, P2510, P2687 or P268A is not set.
    • If no DTCs are set 
  2. Ignition ON
  3. Verify the security indicator on the instrument panel cluster illuminates momentarily.
    • If the indicator does not stay illuminated or is not flashing 
  4. Verify the scan tool Engine Speed parameter is greater than 0 RPM while cranking the engine.
    • If greater than 0 RPM 
  5. Verify the scan tool Engine Speed parameter, while cranking the engine, is greater than 50 RPM on a cold engine and 125 RPM on a hot engine.
    • If less than 50 RPM on a cold engine or less than 125 RPM on a hot engine 

      Refer to Engine Cranks Slowly

    • If greater than 50 RPM on a cold engine or greater than 125 RPM on a hot engine 
  6. Verify there are no fuel system leaks from the fuel tank to the high pressure pump.
    • If a fuel leak is not present 
  7. Ignition ON
  8. Verify the fuel pump turns ON and OFF when commanding the Fuel Pump Relay ON and OFF with a scan tool.
    • If the fuel pump turns ON and OFF 
  9. Verify the scan tool Fuel Rail Pressure Sensor parameter is greater than 10 MPa (1, 450 psi) while cranking the engine.
    • If greater than 10 MPa (1, 450 psi) 
  10. Verify if the customer ran the vehicle out of fuel before the Engine Cranks But Does Not Run condition occurred.
    NOTE: If the vehicle has been run out of fuel and the engine will not start after refueling, the fuel injector return system may have become air locked.
    • If the customer did not run the vehicle out of fuel 
  11. Verify the following conditions do not exist:
  12. All OK
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