LaCrosse V6-3.6L (2007)
Radiator Cooling Fan Motor Relay: Diagnostic Aids
Measuring Frequency
Measuring Frequency
Notice: 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 auto range 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.
