Inspection

1UR-FE FUEL: FUEL PUMP: INSPECTION

1. INSPECT FUEL PUMP

(a) Inspect the resistance of the fuel pump.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





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

(b) Inspect the operation of the fuel pump.





(1) Connect the positive (+) lead of the battery to terminal 1 of the connector and the negative (-) lead to terminal 2. Check that the fuel pump operates.

Text in Illustration





If the result is not as specified, replace the fuel pump and fuel pump ECU.

NOTICE:
* This test must be performed within 10 seconds to prevent the coil from burning out.
* Keep the fuel pump as far away from the battery as possible.
* Always turn the voltage on and off on the battery side, not the fuel pump side.
* When the pump is locked and does not operate due to foreign matter being stuck, etc., replace the fuel pump ECU Removal together with the fuel pump, as the fuel pump ECU may be damaged electrically.