Lexus RX300 (MCU15). Manual — part 409
B12944
B12940
Fuel
Hose
Clamp
B08888
Ohmmeter
4
5
B08887
Battery
4
5
–
ELECTRONIC FUEL INJECTION
FUEL PUMP
FI–7
LEXUS RX300 (RM785E)
(q)
Reconnect the No.1 fuel pipe (fuel tube connector).
CAUTION:
Perform connecting operations of the fuel tube connector
(quick type) after observing the precautions.
(r)
Install the fuel hose clamp to the fuel filter.
(s)
Reconnect the negative (–) terminal cable to the battery.
(t)
Check for fuel leakage.
3.
INSPECT FUEL PUMP
(a)
Remove the LH rear seat.
(b)
Remove the rear seat side garnish.
(c)
Tarn over the floor carpet.
(d)
Remove the floor service hole cover.
(e)
Disconnect the fuel pump & sender gauge connector.
(f)
Using an ohmmeter, measure the resistance between ter-
minals 4 and 5.
Resistance: 0.2 – 3.0 Ω at 20°C (68°F)
If the resistance is not as specified, replace the fuel pump.
(g)
Inspect the fuel pump operation.
Connect the positive (+) lead from the battery to terminal
4 of the connector, and the negative (–) lead to terminal
5. Check that the fuel pump operates.
NOTICE:
S
These tests must be done quickly (within 10 seconds)
to prevent the coil burning out.
S
Keep the fuel pump as far away from the battery as
possible.
S
Always do the switching at the battery side.
If operation is not as specified, replace the fuel pump or lead
wire.
(h)
Reconnect the fuel pump & sender gauge connector.
(i)
Reinstall the floor service hole cover.
(j)
Install the floor carpet.
(k)
Reinstall the rear seat side garnish.
(l)
Reinstall the LH rear seat.
FI0UQ–01
B08884
Tonneau Cover
Rear Seat Side Garnish
Floor Carpet
Front Part of Deck
Board Assembly
Turn Over
LH Rear Seat
Floor Service
Hole Cover
37 (375, 27)
N·m (kgf·cm, ft·lbf) : Specified torque
37 (375, 27)
37 (375, 27)
37 (375, 27)
FI–8
–
ELECTRONIC FUEL INJECTION
FUEL PUMP
LEXUS RX300 (RM785E)
COMPONENTS
B12937
Floor Service Hole Cover
Fuel Pump & Sender
Gauge Coonector
Fuel Tank Vent Tube Set Plate
Fuel Tank Main Tube
Tube Joint Clip
Fuel Pump and Sendor
Gauge Assembly
z
Gasket
Fuel Sub Suction Hose
3.5 (36, 31 in.·lbf)
x 8
z
Non–reusable part
N·m (kgf·cm, ft·lbf) : Specified torque
–
ELECTRONIC FUEL INJECTION
FUEL PUMP
FI–9
LEXUS RX300 (RM785E)
B12938
Fuel Suction Plate
with Sender Gauge
z
O–Ring
Fuel Filter
Fuel Pump
No.2 Fuel Suction Support
Fuel Pressure
Regulator and Fuel
Return Jet Tube
Assembly
z
Non–reusable part
FI–10
–
ELECTRONIC FUEL INJECTION
FUEL PUMP
LEXUS RX300 (RM785E)
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