Toyota Sequoia (2005). Manual — part 688
D13872
Hand–Held Tester
DLC3
CAN VIM
SF12Y–05
B16497
Up
Pulsation
Damper
Screw
B16528
SST
(Gauge)
Front
Fuel
Pipe
Gasket
SST
(Union)
SST
(Adaptor)
–
SFI
FUEL PUMP
SF–7
2741
FUEL PUMP
ON–VEHICLE INSPECTION
1.
CHECK FUEL PUMP OPERATION
(a)
Connect a hand–held tester to the Controller Area Net-
work Vehicle Interface Module (CAN VIM). Then connect
the CAN VIM to the Date Link Connector 3 (DLC3).
(b)
Turn the ignition switch ON, and push the hand–held tes-
ter main switch ON.
NOTICE:
Do not start the engine.
(c)
Enter the following menus: DIAGNOSIS / ENHANCED
OBDII / ACTIVE TEST / FUEL PUMP / SPD
(d)
Please refer to the hand–held tester operator’s manual
for further details.
(e)
Check that the pulsation damper screw rises when the
fuel pump operates.
If operation is not as specified, check the fusible link, fuses, EFI
main relay, fuel pump, ECM and wiring connections.
(f)
Turn the ignition switch off.
(g)
Disconnect the hand–held tester and CAN VIM from the
DLC3.
2.
CHECK FUEL PRESSURE
(a)
Check the battery positive voltage is 12 V or more.
(b)
Disconnect the negative (–) terminal cable from the bat-
tery.
(c)
Remove the front fuel pipe from the LH delivery pipe. (See
page
(d)
Install the front fuel pipe and SST (pressure gauge) to the
delivery pipe with the 3 lower gaskets and SST (adaptor).
SST
09268–45014 (09268–41190, 90405–06167)
Torque: 39 N·m (400 kgf·cm, 29 ft·lbf)
(e)
Wipe off any splattered gasoline.
(f)
Reconnect the negative (–) terminal cable to the battery.
(g)
Connect a hand–held tester to the DLC3. (See step 1 in
check fuel pump operation (a) to (e))
SF–8
–
SFI
FUEL PUMP
2742
(h)
Measure the fuel pressure.
Fuel pressure:
265 to 304 kPa (2.7 to 3.1 kgf/cm
2
, 38 to 44 psi)
If pressure is high, replace the fuel pressure regulator.
If pressure is low, check the fuel hoses and connections, fuel
pump, fuel filter and fuel pressure regulator.
(i)
Disconnect the hand–held tester and CAN VIM from the
DLC3.
(j)
Start the engine.
(k)
Measure the fuel pressure at idle.
Fuel pressure:
265 to 304 kPa (2.7 to 3.1 kgf/cm
2
, 38 to 44 psi)
(l)
Stop the engine.
(m)
Check that the fuel pressure remains as specified for 5
minutes after the engine has stopped.
Fuel pressure: 147 kPa (1.5 kgf/cm
2
, 21 psi) or more
If pressure is not as specified, check the fuel pump, pressure
regulator and/or injectors.
(n)
After checking fuel pressure, disconnect the negative (–)
terminal cable from the battery and carefully remove the
SST to prevent gasoline from splashing.
SST
09268–45014
(o)
Reinstall the front fuel pipe to the LH delivery pipe. (See
page
3.
CONNECT CABLE TO NEGATIVE BATTERY TERMI-
NAL
4.
PERFORM INITIALIZATION (See page
)
Some systems need initialization when disconnecting the cable
from the negative battery terminal.
5.
CHECK FOR FUEL LEAKS (See page
)
SF12Z–05
B17462
N·m (kgf·cm, ft·lbf) : Specified torque
Non–reusable part
Fuel Inlet Pipe
Shield
No.1 Fuel Tank Band
Gasket
Fuel Pump and
Sender Gauge
Assembly
Fuel Tank
Vent Tube
No.2 Fuel Tank Band
Fuel Inlet Pipe
Fuel Tank Band Pin
62 (632, 45)
Fuel Tank
Protector
Fuel Tank Band Pin
Fuel Return Tube
62 (632, 45)
Fuel Tank
Band Pin
Fuel Tank Band Pin
Recirculation
Tube
Fuel Main Tube
Fuel Pump Connector
Fuel Pump Gauge
Retainer
Fuel Pump Suction
Support
–
SFI
FUEL PUMP
SF–9
2743
COMPONENTS
B17535
Fuel Suction Plate No.1
w/ Fuel Filter
Fuel Pump Harness
Fuel Pump
Non–reusable part
Fuel Sender Gauge
O–Ring
Spring
Fuel Suction Plate No.2
E–Ring
Fuel Suction Filter
Fuel Sub–tank
SF–10
–
SFI
FUEL PUMP
2744
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