Fuel Pump: Inspection

INSPECT FUEL PUMP
1. Inspect the fuel pump resistance.
  1. Using an ohmmeter, measure the resistance between the terminals.
    Resistance:
    
    0.2 to 3.0 Ω at 20°C (68°F)
    
    Fig 1: Identifying Fuel Pump Connector Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    If the result is not as specified, replace the fuel pump assembly.
2. Inspect fuel pump operation.
  1. Apply battery voltage to both the terminals. Check that the pump operates.
    NOTE:
    These tests must be done quickly (within 10 seconds) to prevent damage to the pump.
    
    Keep the fuel pump as far away from the battery as possible.
    
    Always switch at the battery side.
    If the pump does not operate, replace the fuel pump assembly.