Rainier AWD L6-4.2L (2007)
Engine Control Module: Diagnostic Aids
Testing for a Short to Voltage
TESTING FOR A SHORT TO VOLTAGE
NOTE: Refer to Test Probe Notice.
The following procedure tests for a short to voltage in a circuit.
1. Set the rotary dial of the DMM to the V (DC) position.
2. Connect the positive lead of the DMM to one end of the circuit to be tested.
3. Connect the negative lead of the DMM to a good ground.
4. Turn ON the ignition and operate all accessories.
5. If the voltage measured is greater than 1 volt, there is a short to voltage in the circuit.
