1997 TOYOTA SUPRA battery
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R09690
Battery
SSTFront Passenger
Airbag Assembly
10 mm (33 ft) or more
R09687
- SUPPLEMENTAL RESTRAINT SYSTEMFRONT PASSENGER AIRBAG ASSEMBLY
RS-29
1968 Author: Date:
1997 SUPRA (RM502U)
(e) Install the SST.
Connect the connector of SST to the front passenger air-
bag assembly connector.
SST 09082-00700
NOTICE:
To avoid damaging the SST connector and wire harness,
do not lock the secondary lock of the twin lock.
(f) Deploy the airbag.
(1) Connect the SST red clip to the battery positive (+)
terminal and the black clip to the battery negative
(-) terminal.
(2) Confirm that no-one is within 10 m (33 ft) area
around the tire which the front passenger airbag as-
sembly is tied to.
(3) Press the SST activation switch and deploy the air-
bag.
HINT:
The airbag deploys simultaneously as the LED of the SST ac-
tivation switch lights up.
(g) Dispose of the front passenger airbag assembly.
CAUTION:
The front passenger airbag assembly is very hot
when the airbag is deployed, so leave it alone for at
least 30 minutes after deployment.
Use gloves and safety glasses when handling a front
passenger airbag assembly with deployed airbag.
Always wash your hands with water after completing
the operation.
Do not apply water, etc. to a front passenger airbag
assembly with deployed airbag.
(1) Remove the front passenger airbag assembly from
the tire.
(2) Place the front passenger airbag assembly in a vi-
nyl bag, tie the end tightly and dispose of it in the
same way as other general parts.
Page 1461 of 1807
SF0GG-01
- SFI (2JZ-GTE)SFI SYSTEM
SF-1
1327 Author: Date:
1997 SUPRA (RM502U)
SFI SYSTEM
PRECAUTION
1. BEFORE WORKING ON FUEL SYSTEM, DISCON-
NECT NEGATIVE (-) TERMINAL CABLE FROM BAT-
TERY.
HINT:
Any diagnostic trouble code retained by the computer will be
erased when the negative (-) terminal cable is removed from
the battery.
Therefore, if necessary, read the diagnosis before removing the
terminal.
2. DO NOT SMOKE OR WORK NEAR AN OPEN FLAME
WHEN WORKING ON FUEL SYSTEM.
3. KEEP GASOLINE AWAY FROM RUBBER OR LEATH-
ER PARTS.
4. MAINTENANCE PRECAUTIONS
(a) In event of engine misfire, following precautions should
be taken.
(1) Check proper connection of battery terminals, etc.
(2) After repair work, check that the ignition coil termi-
nals and all other ignition system lines are recon-
nected securely.
(3) When cleaning the engine compartment, be espe-
cially careful to protect the electrical system from
water.
(b) Precautions when handling oxygen sensor.
(1) Do not allow oxygen sensor to drop or hit against an
object.
(2) Do not allow the sensor to come into contact with
water.
5. IF VEHICLE IS EQUIPPED WITH MOBILE RADIO SYS-
TEM (HAM, CB, ETC)
If the vehicle is equipped with a mobile communication system,
refer to the precaution in the IN section.
6. AIR INDUCTION SYSTEM
(a) Separation of the engine oil dipstick, oil filler cap, PCV
hose, etc. may cause the engine to run out of tune.
(b) Disconnection, looseness or cracks in the parts of the air
induction system between the throttle body and cylinder
head will allow air suction and cause the engine to run out
of tune.
7. ELECTRONIC CONTROL SYSTEM
(a) Before removing SFI wiring connectors, terminals, etc.,
first disconnect the power by either turning the ignition
switch OFF or disconnecting the negative (-) terminal
cable from the battery.
HINT:
Always check the diagnostic trouble code before disconnecting
the negative (-) terminal cable from the battery.
Page 1462 of 1807
P03244
Lock
Press Down
P03245
LockInsert
P13048
SST
P12072
Fuel Pump
Connector SF-2
- SFI (2JZ-GTE)SFI SYSTEM
1328 Author: Date:
1997 SUPRA (RM502U)
(b) When installing the battery, be especially careful not to in-
correctly connect the positive (+) and negative (-) cables.
(c) Do not permit parts to receive a severe impact during re-
moval or installation. Handle all SFI parts carefully, espe-
cially the ECM.
(d) Do not be careless during troubleshooting as there are
numerous transistor circuits and even slight terminal con-
tact can further troubles.
(e) Do not open the ECM cover.
(f) When inspecting during rainy weather, take care to pre-
vent entry of water. Also, when washing the engine
compartment, prevent water from getting on the SFI parts
and wiring connectors.
(g) Parts should be replaced as an assembly.
(h) Care is required when pulling out and inserting wiring con-
nectors.
(1) Release the lock and pull out the connector, pulling
on the connectors.
(2) Fully insert the connector and check that it is locked.
(i) When inspecting a connector with a volt/ohmmeter
(1) Carefully take out the water-proofing rubber if it is
a water-proof type connector.
(2) Insert the test probe into the connector from the wir-
ing side when checking the continuity, amperage or
voltage.
(3) Do not apply unnecessary force to the terminal.
(4) After checking, install the water-proofing rubber on
the connector securely.
(j) Use SST for inspection or test of the injector or its wiring
connector.
SST 09842-30060
8. FUEL SYSTEM
(a) When disconnecting the high pressure fuel line, a large
amount of gasoline will spill out, so observe the following
procedures:
(1) Disconnect the fuel pump connector.
(2) Start the engine. After the engine has stopped on
its own, turn off the ignition switch.
Page 1465 of 1807
Q08242
TOYOTA Hand-Held Tester
DLC3
P11446Fuel Inlet Hose
P12558
Fuel Inlet
Hose
SF0GH-01
Z13307
Fuel Inlet HoseSST
Gasket
SSTSST
Gasket(Union)
- SFI (2JZ-GTE)FUEL PUMP
SF-5
1331 Author: Date:
1997 SUPRA (RM502U)
FUEL PUMP
ON-VEHICLE INSPECTION
1. CHECK FUEL PUMP OPERATION
(a) Connect the TOYOTA hand-held tester to the DLC3.
(b) Turn the ignition switch ON and TOYOTA hand-held tes-
ter main switch ON.
NOTICE:
Do not start the engine.
(c) Select the ACTIVE TEST mode on the TOYOTA hand-
held tester.
(d) Please refer to the TOYOTA hand-held tester operator's
manual for further details.
(e) If you have no TOYOTA hand-held tester, connect the
positive (+) and negative (-) leads from the battery to the
fuel pump connector.
(See step 8)
(f) Check that there is pressure in the fuel inlet hose from the
fuel filter.
HINT:
If there is fuel pressure, you will hear the sound of fuel flowing.
If there is no pressure, check the following parts:
Fuses
EFI No.2 relay
Fuel pump
ECM
Wiring connections
(g) Turn the ignition switch to LOCK.
(h) Disconnect the TOYOTA hand- held tester from the
DLC3.
2. CHECK FUEL PRESSURE
(a) Check the battery voltage is above 12 V.
(b) Disconnect the negative (-) terminal cable from the bat-
tery.
(c) Remove the union bolt and 2 gaskets, disconnect the fuel
inlet hose from the fuel filter.
CAUTION:
Put a suitable container or shop towel under the fuel
filter.
Slowly loosen the union bolt.
(d) Install the fuel inlet hose and SST (pressure gauge) to the
fuel filter with the 3 gaskets and SST (union bolt).
SST 09268-45012
Torque: 29 N´m (300 kgf´cm, 22 ft´lbf)
(e) Wipe off any splattered gasoline.
Page 1466 of 1807
Q08242
TOYOTA Hand-Held Tester
DLC3
P12563
Disconnect
Plug SF-6
- SFI (2JZ-GTE)FUEL PUMP
1332 Author: Date:
1997 SUPRA (RM502U)
(f) Connect the TOYOTA hand-held tester to the DLC3.
(See step 1 in check fuel pump operation (a) to (e).)
(g) Reconnect the negative (-) terminal cable to the battery.
(h) Turn the ignition switch ON.
(i) Measure the fuel pressure.
Fuel pressure:
226 - 275 kPa (2.3 - 2.8 kgf/cm
2, 33 - 40 psi)
If pressure is high, replace the fuel pressure regulator.
If pressure is low, check the following parts:
(1) Fuel hoses and connections
(2) Fuel pump
(3) Fuel filter
(4) Fuel pressure regulator
(j) Remove the TOYOTA hand-held tester from the
DLC3.
(k) Start the engine.
(l) Disconnect the vacuum sensing hose from the fuel pres-
sure regulator, and plug the hose end.
(m) Measure the fuel pressure at idle.
Fuel pressure:
226 - 275 kPa (2.3 - 2.8 kgf/cm
2, 33 - 40 psi)
(n) Reconnect the vacuum sensing hose to the fuel pressure
regulator.
(o) Measure the fuel pressure at idle.
Fuel pressure:
167 - 216 kPa (1.7 - 2.2 kgf/cm
2, 24 - 31 psi)
If pressure is not as specified, check the vacuum sensing hose
and fuel pressure regulator.
(p) Stop the engine.
(q) 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.
(r) After checking fuel pressure, disconnect the negative (-)
terminal cable from the battery and carefully remove the
SST to prevent gasoline from splashing.
SST 09268-45012
(s) Reinstall the fuel inlet hose to the fuel filter with 2 new gas-
kets and the union bolt.
Torque: 29 N´m (300 kgf´cm, 22 ft´lbf)
(t) Reconnect the negative (-) terminal cable to the battery.
(u) Check for fuel leaks.
3. TAKE OUT FLOOR CARPET
4. REMOVE SPARE WHEEL COVER
5. REMOVE SPARE WHEEL
6. REMOVE SERVICE HOLE COVER
7. DISCONNECT FUEL PUMP & SENDER GAUGE CON-
NECTOR
Page 1467 of 1807
B01419
Ohmmeter4
5
B01429
4
5
Battery
- SFI (2JZ-GTE)FUEL PUMP
SF-7
1333 Author: Date:
1997 SUPRA (RM502U)
8. INSPECT FUEL PUMP RESISTANCE
Using an ohmmeter, measure the resistance between terminals
4 and 5.
Resistance: 0.1 - 3.0 W at 20°C (68°F)
If the resistance is not as specified, replace the fuel pump, lead
wire or fuel pump bracket.
9. INSPECT FUEL PUMP OPERATION
Connect a tester lead from terminal 4 of the connector to the
positive (+) terminal of the battery; connect another tester lead
from terminal 5 of the connector to the negative (-) terminal of
the battery.
NOTICE:
These tests must be performed quickly (within 10 se-
conds) to prevent the coil from burning out.
Keep the fuel pump as far away from the battery as
possible.
Always connect or disconnect at the battery.
If operation is not as specified, replace the fuel pump, lead wire
or fuel pump bracket.
10. RECONNECT FUEL PUMP & SENDER GAUGE CON-
NECTOR
11. INSTALL SERVICE HOLE COVER
12. INSTALL SPARE WHEEL
13. INSTALL SPARE WHEEL COVER
14. INSTALL FLOOR CARPET
Page 1486 of 1807
Q08242
TOYOTA Hand-Held Tester
DLC3
P12548
SST (Wire)
Connect
P12549
- SFI (2JZ-GTE)INJECTOR
SF-27
1353 Author: Date:
1997 SUPRA (RM502U)
(i) Connect the TOYOTA hand-held tester to the DLC3.
(j) Turn the ignition switch ON and TOYOTA hand-held tes-
ter main switch ON.
NOTICE:
Do not start the engine.
(k) Select the active test mode on the TOYOTA hand-held
tester.
(l) Please refer to the TOYOTA hand-held tester operator's
manual for further details.
(m) If you have no TOYOTA hand-held tester, connect the
positive (+) and negative (-) leads from the battery to the
fuel pump connector.
(n) 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 09842-30060
Injection volume:
111 - 141 cm
3 (6.8 - 8.6 cu in.) per 15 sec.
Difference between each injector:
10 cm
3 (0.6 cu in.) or less
If the injection volume is not as specified, replace the injector.
2. INSPECT LEAKAGE
(a) In the condition above, disconnect the tester probes of
SST (wire) from the battery and check the fuel leakage
from the injector.
SST 09842-30060
Fuel drop:
One drop or less per minutes
(b) Turn the ignition switch to LOCK.
(c) Disconnect the negative (-) terminal cable from the bat-
tery.
(d) Remove the SST.
SST 09268-41046
(e) Reconnect the fuel inlet hose to the fuel filter with 2 new
gaskets and the union bolt.
Torque: 29 N´m (300 kgf´cm, 22 ft´lbf)
(f) Reconnect the fuel return hose to the fuel return pipe.
(g) Remove the 6 bolts, 3 injector holders and 6 insulators.
(h) Disconnect the TOYOTA hand- held tester from the
DLC3.
Page 1495 of 1807
SF0H4-01
FI6961
E2
THa Ohmmeter
P12997
Voltmeter
VG
E21 Air SF-38
- SFI (2JZ-GTE)MASS AIR FLOW (MAF) METER
1364 Author: Date:
1997 SUPRA (RM502U)
INSPECTION
1. INSPECT MAF METER RESISTANCE
Using an ohmmeter, measure the resistance between terminals
THA and E2.
Resistance:
-20°C (-4°F)10 - 20 kW
0°C (32°F)4 - 7 kW
20°C (68°F)2 - 3 kW
40°C (104°F)0.9 - 1.3 kW
60°C (140°F)0.4 - 0.7 kW
If the resistance is not as specified, replace the MAF meter.
2. INSPECT MAF METER OPERATION
(a) Connectfthe MAF meter connector.
(b) Connectfthe negative (-) terminal cable to the battery.
(c) Using a voltmeter, connect the positive (+) tester probe to
terminal VG, and negative (-) tester probe to terminal
E21.
(d) Turn the ignition switch ON.
(e) Blow air into the MAF meter, and check that the voltage
fluctuates.
If operation is not as specified, replace the MAF meter.
(f) Turn the ignition switch OFF.
(g) Disconnect the negative (-) terminal cable from the bat-
tery.
(h) Disconnect the MAF meter connector.