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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.8L - DTC P0016 To DTC P0350 >> DTC P0336 >> Component Test
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Component Test

  1. Inspect the CKP sensor for looseness and correct installation.
  2. Disconnect the CKP sensor connector. Connect jumper wires from the CKP sensor connector 12-volt reference CKP sensor terminal D and the low reference CKP sensor terminal C to the CKP sensor. Turn ON the ignition, with the engine OFF.
  3. Ignition ON, connect a DMM to the CKP sensor signal CKP sensor 1 terminal B at the CKP sensor and observe the Duty Cycle. Pass a steel object by the sensor repeatedly. The Duty Cycle should increment.
    • If the Duty Cycle does not increment, replace the CKP sensor.
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