Fuel Pump: Inspection

Using an ohmmeter, measure the resistance between the terminals.

Resistance: 0.2 to 0.3 Ω at 20°C (68°F) 

If the resistance is not as specified, replace the fuel pump.

Fig 1: Measuring Resistance Between Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Connect the lead wire to the fuel pump.
2. Connect the positive (+) lead from the battery to terminal
   1. of the connector, and the negative (-) lead to terminal
   2. Check that the fuel pump operates.
   Fig 2: Connecting Lead Wire To Fuel Pump

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE:

   • These tests must be done quickly (within 10 seconds) to prevent the coil from burning out. 
   • Keep the fuel pump as far away from the battery as possible. 
   • Always do switching on the battery side. 

   If operation is not as specified, replace the fuel pump and/or read wire.

3. Disconnect the lead wire from the fuel pump.