LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1374 (Engine Controls And Fuel - 4.8L, 5.3L, 6.0L, 6.2L - DTC P0230 To DTC P0690) >> DTC P0324, P0325, P0326, P0327, P0328, P0330, P0332, or P0333 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect a DMM to both KS signal circuits, terminals A and B, at the KS.
  2. Set the DMM to the 400 mV AC hertz scale and wait for the DMM display to stabilize at 0 Hz.
    3. IMPORTANT: DO NOT tap on plastic engine components.
  3. Tap on the engine block with a non-metallic object near the KS while observing the signal indicated on the DMM.
  4. The DMM should display a fluctuating frequency while tapping on the engine block.
scientia non olet · About LEMON Manuals