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 

SF–27

)

(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 

SF–31

)

3.

CONNECT CABLE TO NEGATIVE BATTERY TERMI-
NAL

4.

PERFORM INITIALIZATION (See page 

IN–20

)

Some systems need initialization when disconnecting the cable
from the negative battery terminal.
5.

CHECK FOR FUEL LEAKS (See page 

SF–1

)

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