Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM00000197E004X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: 2UZ-FE FUEL: FUEL PUMP: ON-VEHICLE INSPECTION; 2007 MY LX470 [08/2006 -        ]

ON-VEHICLE INSPECTION

1. CHECK FUEL PUMP

(a) Remove the rear No. 1 seats.

(b) Remove the 2 rear door scuff plates, step plates and rear seat lock covers.

(c) Pull off the front and rear floor carpets.

(d) Remove the 2 screws and rear floor service hole cover.

(e) Disconnect the fuel pump and sender gauge connector.

(f) Measure the resistance between terminal 4 and 5.

Resistance:

0.2 to 3.0 Ω at 20°C (68°F)

If the result is not as specified, replace the fuel pump and/or the lead wire.

(g) Inspect the fuel pump operation.

Connect the battery positive (+) lead to terminal 4 of the connector, and the battery negative (-) lead to terminal 5.

Check that the fuel pump operates.

NOTICE:

  • 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 change the connection on the battery side.

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

(h) Reconnect the fuel pump and sender gauge connector.

(i) Reinstall the rear floor service hole cover with the 2 screws.

(j) Reinstall the front and rear floor carpets.

(k) Remove the 2 rear door scuff plates, step plates and rear seat lock covers.

(l) Reinstall the rear No. 1 seats.