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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 656 (Wiring Systems And Power Management - Service, Diagnosis & Troubleshooting) >> Measuring Frequency

Measuring Frequency

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to TEST PROBE NOTICE .

The following procedure determines the frequency of a signal.

IMPORTANT: Connecting the DMM to the circuit before pressing the Hz button will allow the DMM to autorange to an appropriate range.
  1. Apply power to the circuit.
  2. Set the rotary dial of the DMM to the V (AC) position.
  3. Connect the positive lead of the DMM to the circuit to be tested.
  4. Connect the negative lead of the DMM to a good ground.
  5. Press the Hz button on the DMM.
  6. The DMM will display the frequency measured.
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