Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Supra 1986-1987.1990.1995.1997 Approved Toyota Supra 1997 SFI
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SF-1
SFI (2JZ-GTE) - SFI SYSTEM
SFI SYSTEM SF0GG-01
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.
1997 SUPRA (RM502U)
Author : Date : 1327
SF-2
SFI (2JZ-GTE) - SFI SYSTEM
(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
Lock
on the connectors.
Press Down
P03244 (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
Insert 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.
Lock (4) After checking, install the water-proofing rubber on
P03245 the connector securely.
(j) Use SST for inspection or test of the injector or its wiring
connector.
SST SST 09842-30060
P13048
8. FUEL SYSTEM
Fuel Pump (a) When disconnecting the high pressure fuel line, a large
Connector 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.
P12072
1997 SUPRA (RM502U)
Author : Date : 1328
SF-3
SFI (2JZ-GTE) - SFI SYSTEM
(3) Put a container under the connection.
Plug (4) Slowly loosen the connection.
(5) Disconnect the connection.
(6) Plug the connection with a rubber plug.
(7) Reconnect the fuel pump connector.
P12822
(b) When connecting the flare nut or union bolt on the high
pressure pipe union, observe the following procedures:
(1) Union Bolt Type:
Always use a new gasket.
(2) Union Bolt Type:
Tighten the union bolt by hand.
(3) Union Bolt Type:
New Tighten the union bolt to the specified torque.
Gasket
P12089 Torque: 29 N◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo