Your Vehicle: 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3
 
Vehicle » Starting and Charging » Charging System » Alternator » Testing and Inspection » Generator Testing » No-Load Test  
 
 
  No-Load Test  
 
  1. Connect the leads of ARBST across the battery terminals.
  2. Press the MULTIMETER button.
  3. Read the voltage (base voltage).
  4. Start the engine and monitor engine speed.
  5. Run the engine at 1500 rpm with no electrical load.
  6. Read the voltage. The voltage should be in the range of 14.1 to 15.1 volts . If the voltage increase is less than 2.5 volts over the base voltage, perform the Load Test. If there is no voltage increase or the voltage increase is greater than 2.5 volts , perform the Generator On-Vehicle Tests.