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Home >> Chevrolet >> 2008 >> Optra5 LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.4L DOHC >> Diagnostic Information and Procedures >> DTC P0335, P0336, or P0337 >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the harness connector at the CKP sensor.
    2. IMPORTANT: If the CKP sensor lead is damaged in any way, replace the CKP sensor.
  2. Test for 460-620 ohms between the signal terminal 2 and low reference terminal 1.
    • If not within the specified range, replace the CKP sensor.
  3. Disconnect the fuel pump relay.
  4. Set the DMM to the AC voltage scale.
  5. Engine cranking, test for more than 1.4 ACV between the signal terminal 2 and low reference terminal 1.
    • If less than the specified range, replace the CKP sensor.
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