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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 370 (Engine Controls And Fuel - Hybrid (LZ1) - DTC P0010 Through DTC P0341) >> Diagnostic Information and Procedures >> DTC P0335 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

You must perform the Circuit/System Testing before proceeding with Component Testing.

  1. Ignition OFF, inspect the crankshaft position sensor for correct installation. Remove the crankshaft position sensor from the engine and inspect the sensor O-ring for damage.
    • If the sensor is loose, incorrectly installed, or damaged, replace the B26 crankshaft position sensor.
  2. Connect the crankshaft position sensor harness connector to the B26 crankshaft position sensor.
  3. Ignition ON, engine OFF. Observe the Crankshaft Position Sensor Active Counter parameter on the scan tool.
  4. Pass a flat steel object across the tip of the sensor repeatedly. The Crankshaft Position Active counter parameter should increment with each pass of the steel object.
    • If the parameter does not increment, replace the B26 crankshaft position sensor.
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