2001 TOYOTA SEQUOIA terminal TC

D13872
Hand±Held Tester
DLC3
CAN VIM
SF12Y±05
B16497
Up
Pulsation
DamperScrew
B16528
SST
(Gauge)
Front
Fuel
Pipe
Gasket SST
(Union)SST
(Adaptor)
± SFIFUEL PUMP
SF±7
2741 Author: Date:
2005 SEQUOIA (RM1146U)
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
± SFIFUEL PUMP
2742 Author: Date:
2005 SEQUOIA (RM1146U)
(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)

B17610
Ohmmeter
SF131±03
B17611Battery 1 2
± SFIFUEL PUMP
SF±15
2749 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
1. INSPECT FUEL PUMP RESISTANCE
Using an ohmmeter, measure the resistance between the ter-
minals.
Resistance: 0.2 to 3.0 W at 20°C (68°F)
If the resistance is not as specified, replace the fuel pump.
2. INSPECT FUEL PUMP OPERATION
(a) Connect the lead wire to the fuel pump.
(b) Connect the positive (+) lead from the battery to terminal
1 of the connector, and the negative (±) lead to terminal
2. 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 do switching on the battery side.
If operation is not as specified, replace the fuel pump and/or
read wire.
(c) Disconnect the lead wire to the fuel pump.

SF0OR±12
B04442
Ohmmeter SF±24
± SFIINJECTOR
2758 Author: Date:
2005 SEQUOIA (RM1146U)
INJECTOR
ON±VEHICLE INSPECTION
1. REMOVE THROTTLE BODY COVER
2. REMOVE INTAKE AIR CONNECTOR
3. INSPECT INJECTOR RESISTANCE
(a) Disconnect the 8 injector connectors.
(b) Using an ohmmeter, measure the resistance between the
terminals.
Resistance: 13.4 to 14.2 W at 20°C (68°F)
If the resistance is not as specified, replace the injector.
(c) Reconnect the 8 injector connectors.
4. REINSTALL INTAKE AIR CONNECTOR
5. REINSTALL THROTTLE BODY COVER

B00883
ConnectSST
(Wire)
A01293
SF±30
± SFIINJECTOR
2764 Author: Date:
2005 SEQUOIA (RM1146U)
(o) Connect SST (wire) to the injector and battery for 15 se-
conds, and measure the injection volume with a gra-
duated cylinder. Test each injector 2 or 3 times.
SST 09842±30070
Volume: 56 to 69 cm
3 (3.4 to 4.2 cu in.) per 15 seconds
Difference between each injector:
13 cm
3 (0.8 cu in.) or less
If the injection volume is not as specified, replace the injector.
2. INSPECT LEAKAGE
(a) Under the above conditions, disconnect the tester probes
of SST (wire) from the battery and check fuel leakage
from the injector.
SST 09842±30070
Fuel drop: 1 drop or less per 12 minutes
(b) Turn the ignition switch off.
(c) Disconnect the negative (±) terminal cable from the bat-
tery.
(d) Remove the SST and fuel tube connector.
SST 09268±41047, 09842±30070
(e) Disconnect the hand±held tester and CAN VIM from the
DLC3.
(f) Reconnect the fuel inlet pipe to the fuel tube.

B17464
3 2 1
45
±20 0 20 40 60 80 100 0.1 0.2 0.3 0.51
2 3 5 10 20 30
TEMPERATURE
C(
F)
RESISTANCE kW
(±4) (32) (68) (140)(104)(212)
(176)
Air
E2 THA VG E2G
+B
Acceptable
SF0P2±09
B17465
Air
B17466
ECM
VG
E2G
Voltmeter
SF±38
± SFIMASS AIR FLOW (MAF) METER
2772 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
1. INSPECT OUTPUT VOLTAGE
(a) Apply battery voltage across terminals 1 (+B) and 2
(E2G).
(b) Connect the positive (+) tester probe to terminal 3 (VG),
and the negative (±) tester probe to terminal 2 (E2G).
(c) Blow air into the MAF meter, and check if the voltage fluc-
tuates.
2. INSPECT RESISTANCE
Using an ohmmeter, measure the resistance between terminals
4 (THA) and 5 (E2).
Resistance:
12.5 to 16.9 kW at ±20
C (±4
F)
2.19 to 2.67 kW at 20
C (68
F)
0.50 to 0.68 kW at 60
C (140
F)
3. INSPECT MASS AIR FLOW METER
(a) If using a hand±held tester:
(1) Connect the hand±held tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Blow air into the MAF meter, and check that the air
flow value of the CURRENT DATA changes.
If operation is not as specified, check the MAF meter (see page
DI±110 and DI±113) as well as the wiring and the ECM.
(b) If not using a hand±held tester:
(1) Turn the ignition switch to the ON position.
(2) Connect the positive tester probe of the voltmeter
to terminal VG of the ECM and the negative tester
probe of the voltmeter to terminal E2G of the ECM.
(3) Blow air into the air flow meter, and check if the volt-
age fluctuates.
If operation is not as specified, check the MAF meter (see page
DI±110 and DI±113), the wiring and the ECM.

B17467
SF1XJ±01
D13872
Hand±Held Tester
DLC3
CAN VIM
± SFITHROTTLE BODY
SF±39
2773 Author: Date:
2005 SEQUOIA (RM1146U)
THROTTLE BODY
ON±VEHICLE INSPECTION
1. REMOVE THROTTLE BODY COVER
2. INSPECT SYSTEM OPERATION
(a) Inspect the throttle control motor for operating sound.
(1) Turn the ignition switch ON.
(2) When depressing the accelerator pedal, check the
running sound of the motor. Also, check that there
is no friction sound.
If operation is not as specified, check the throttle control motor
(see step 3), wiring and ECM.
(b) Inspect the accelerator pedal position sensor.
(1) Connect a hand±held tester to the Controller Area
Network Vehicle Interface Module (CAN VIM). Then
connect the CAN VIM to the Date Link Connector 3
(DLC3).
(2) Check that the MIL does not light up.
(3) When turning the accelerator pedal position sensor
lever to the full±open position, check that the
throttle valve opening percentage (THROTTLE
POS) of the CURRENT DATA showns the standard
value.
Standard throttle valve opening percentage:
60% or more
If operation is not as specified, check that the accelerator pedal
position sensor (see page DI±370), wiring and ECM.
If not using a hand±held tester, measure the voltage between
terminals (VTA1±E2, VTA2±E2) of the ECM connector (See
page DI±127).
(c) Inspect the idle speed.
(1) Start the engine and check that the MIL does not
light up.
(2) Allow the engine to warm up to normal operating
temperature.
(3) Turn the A/C compressor ON to OFF, and check the
idle speed.
Idle speed (Transmission in neutral): 700 ± 50 rpm
NOTICE:
Perform inspection without an electrical load.
(d) After checking the above (a) to (c), perform the driving test
and check that there is no sense of incongruity.

B17499
M±
M+
Ohmmeter SF±40
± SFITHROTTLE BODY
2774 Author: Date:
2005 SEQUOIA (RM1146U)
3. INSPECT THROTTLE CONTROL MOTOR
(a) Disconnect the throttle control motor connector.
(b) Using an ohmmeter, measure the motor resistance be-
tween terminals M+ and M±.
Motor resistance: 0.3 to 100 W at 20°C (68°F)
If the resistance is not as specified, replace the throttle body as-
sembly (see page SF±42).
(c) Reconnect the throttle control motor connector.
4. INSPECT THROTTLE POSITION SENSOR
(See page DI±127)
If necessary, replace the throttle body assembly (see page
SF±42).
5. REINSTALL THROTTLE BODY COVER