Lexus NX manuals

Lexus NX: Inspection

Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (fuel) / Fuel Pump / Inspection

INSPECTION

PROCEDURE

1. INSPECT FUEL PUMP ASSEMBLY WITH FILTER

(a) Check the resistance.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

20°C (68°F)

0.2 to 3.0 Ω

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

*a

Component without harness connected

(Fuel Pump Assembly with Filter)

(b) Operation check.

(1) Apply battery voltage between the terminals and check that the motor rotates.

NOTICE:

  • Inspect for a short time (10 seconds or less).
  • Keep the fuel pump assembly with filter as far away from the battery as possible.
  • Be sure to always perform switching from the battery terminal.
  • When the pump is locked and does not operate due to foreign matter being stuck, etc., replace the fuel pump control ECU assembly together with the fuel pump assembly with filter, as the fuel pump control ECU assembly may be damaged electrically.

If the fuel pump does not operate, replace the fuel pump assembly with filter.

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