Page 1425 of 1807

B03052
37 N´m
B03053
200 N´m
125 N´m
B03054
58 N´m
175 N´m
MA01J-01
MA-8
- MAINTENANCEBODY
45 Author: Date:
1997 SUPRA (RM502U)
BODY
INSPECTION
1. TIGHTEN BOLTS AND NUTS ON CHASSIS AND
BODY
Tighten these parts:
Front seat - to -body mounting bolts
Torque: 37 N´m (375 kgf´cm, 27 ft´lbf)
Front suspension member-to-body mounting nuts
Torque:
Front side 125 N´m (1,280kgf´cm,92 ft´lbf)
Rear side 200 N´m (2,040 kgf´cm,148ft´lbf)
Rear suspension member-to-body mounting bolts
Torque: 175 N´m (1,790 kgf´cm, 129 ft´lbf)
Rear suspension member rear cushion - to - body
mounting bolts
Torque: 58 N´m (590 kgf´cm, 43 ft´lbf)
2. FINAL INSPECTION
(a) Check the operation of the body parts:
Hood:
Auxiliary catch operate properly
Hood locks securely when closed
Front doors:
Door lock operates properly
Doors close properly
Back door:
Door lock operates properly
Seats:
Seat adjusts easily and locks securely in any posi-
tion
Front seat back locks securely in any position
Folding-down rear seat backs lock securely
(b) Road test:
Check the engine and chassis for abnormal noises.
Check that the vehicle does not wander or pull to
one side.
Check that the brake work properly and do not drag.
Perform setting of the parking brake shoes and
disc.
Page 1426 of 1807
- MAINTENANCEBODY
MA-9
46 Author: Date:
1997 SUPRA (RM502U)
(c) Be sure to deliver a clean car. especially check:
Steering wheel
Shift lever knob
All switch knobs
Seats
Page 1427 of 1807

MA0688
MA01G-01
- MAINTENANCEENGINE
MA-5
42 Author: Date:
1997 SUPRA (RM502U)
ENGINE
INSPECTION
1. REPLACE TIMING BELT
(2JZ-GE: See page EM-17)
(2JZ-GTE: See page EM-19)
2. INSPECT DRIVE BELT
(See page CH-2)
3. REPLACE SPARK PLUGS
(2JZ-GE: See page IG-1)
(2JZ-GTE: See page IG-1)
4. INSPECT AIR FILTER
(a) Remove the air filter.
(b) Visually check that the air filter is not excessively dam-
aged or oily.
If necessary, replace the air filter.
(c) Clean the filter with compressed air.
First blow from the inside thoroughly, then blow off the
outside of the filter.
(d) Reinstall the air filter and air cleaner case.
5. REPLACE AIR FILTER
Replace the air filter with a new one.
6. REPLACE ENGINE OIL AND OIL FILTER
(See page LU-4)
7. REPLACE ENGINE COOLANT
(See page CO-2)
8. INSPECT CHARCOAL CANISTER
(2JZ-GE: See page EC-5)
(2JZ-GTE: See page EC-5)
9. REPLACE GASKET IN FUEL TANK CAP
(2JZ-GE: See page EC-5)
(2JZ-GTE: See page EC-5)
10. INSPECT FUEL LINES AND CONNECTIONS
(2JZ-GE: See page SF-32)
(2JZ-GTE: See page SF-34)
11. INSPECT EXHAUST PIPES AND MOUNTINGS
Visually check the pipes, hangers and connections for severe
corrosion, leaks or damages.
12. ADJUST VALVE CLEARANCE
(2JZ-GE: See page EM-4)
(2JZ-GTE: See page EM-4)
Page 1428 of 1807

RS06L-02
- SUPPLEMENTAL RESTRAINT SYSTEMSRS AIRBAG
RS-1
1940 Author: Date:
1997 SUPRA (RM502U)
SRS AIRBAG
PRECAUTION
NOTICE:
The SUPRA is equipped with SRS, which comprises a driver airbag, front passenger airbag.
Failure to carry out service operations in the correct sequence could cause the SRS to unex-
pectedly deploy during servicing, possibly leading to a serious accident. Further, if a mistake
is made in servicing the SRS, it is possible that the SRS may fail to operate when required. Be-
fore performing servicing (including removal or installation of parts, inspection or replace-
ment), be sure to read the following items carefully, then follow the correct procedures de-
scribed in the repair manual.
Malfunction symptoms of the SRS are difficult to confirm, so the DTCs become the most impor-
tant source of information when troubleshooting. When troubleshooting the SRS, always in-
spect the DTCs before disconnecting the battery.
Even in cases of a minor collision where the SRS does not deploy, the steering wheel pad, front
passenger airbag assembly and airbag sensor assembly should be inspected (See page RS-9
, RS-22 and RS-34).
Never use SRS parts from another vehicle. When replacing parts, replace them with new parts.
Never disassemble and repair the steering wheel pad, front passenger airbag assembly or air-
bag sensor assembly in order to reuse it.
If the steering wheel pad, front passenger airbag assembly or airbag sensor assembly has been
dropped, or if there are cracks, dents or other defects in the case, bracket or connector, replace
them with new ones.
Use a volt/ohmmeter with high impedance (10 kW/V minimum) for troubleshooting the system's
electrical circuits.
Information labels are attached to the periphery of the SRS components. Follow the instruc-
tions on the notices.
After work on the SRS is completed, perform the SRS warning light check (See page DI-557).
If the vehicle is equipped with a mobile communication system, refer to the precaution in the
IN section.
CAUTION:
Work must be started after 90 seconds from when the ignition switch is turned to the ºLOCKº
position and the negative (-) terminal cable is disconnected from the battery.
(The SRS is equipped with a back-up power source so that if work is started within 90 seconds
from disconnecting the negative (-) terminal cable of the battery, the SRS may be deployed.)
When the negative (-) terminal cable is disconnected from the battery, the memory of the clock
and audio system will be canceled. So before starting work, make a record of the contents mem-
orized in the audio memory system. When work is finished, reset the audio systems as they
were before and adjust the clock. To avoid erasing the memory in each memory system, never
use a back- up power supply from outside the vehicle.
Before repairs, remove the airbag sensor if shocks are likely to be applied to the sensor during
repairs.
Do not expose the steering wheel pad, front passenger airbag assembly or airbag sensor as-
sembly directly to hot air or flames.
Page 1429 of 1807

RS0OL-01
AB0250Spiral Cable
R06853
RS-2
- SUPPLEMENTAL RESTRAINT SYSTEMSRS AIRBAG
1941 Author: Date:
1997 SUPRA (RM502U)
OPERATION
1. STEERING WHEEL PAD (with AIRBAG)
The inflater and bag of the SRS are stored in the steering wheel
pad and cannot be disassembled. The inflater contains a squib,
igniter charge, gas generant, etc., and inflates the bag when
instructed by the airbag sensor assembly.
2. SPIRAL CABLE (in COMBINATION SWITCH)
A spiral cable is used as an electrical joint from the vehicle body
side to the steering wheel.
3. FRONT PASSENGER AIRBAG ASSEMBLY
The inflater and bag of the SRS are stored in the front passen-
ger airbag assembly and cannot be disassembled. The inflater
contains a squib, igniter charge and gas generant, etc., and in-
flates the bag when instructed by the airbag sensor assembly.
4. SRS WARNING LIGHT
The SRS warning light is located on the combination meter. It
goes on to alert the driver of trouble in the system when a mal-
function is detected in the airbag sensor assembly. In normal
operation conditions when the ignition switch is turned to the
ACC or ON position, the light goes on for about 6 seconds and
then goes off.
5. AIRBAG SENSOR ASSEMBLY
The airbag sensor assembly is mounted on the floor inside the
lower center finish panel. The airbag sensor assembly consists
of an airbag sensor, safing sensor, diagnosis circuit and ignition
control, drive circuit, etc. It receives signals from the airbag sen-
sor and judges whether the SRS must be activated or not.
Page 1430 of 1807
R11937
Front Passenger
Airbag Assembly
Steering Wheel
Pad
Instrument Panel
Junction BlockJunction
Block No.1Spiral
Cable
Airbag Sensor
Assembly
- SUPPLEMENTAL RESTRAINT SYSTEMSRS AIRBAG
RS-3
1942 Author: Date:
1997 SUPRA (RM502U)
6. SRS CONNECTORS
No.ItemApplication
(1)Terminal Twin-Lock MechanismConnectors 1, 2, 3, 4, 5, 6, 7
(2)Airbag Activation Prevention MechanismConnectors 1, 2, 3, 4
(3)Electrical Connection Check MechanismConnectors 1
(4)Connector Twin-Lock MechanismConnectors 4, 5, 6, 7
Page 1431 of 1807

Z05953
Spacer
Housing
Female Male
R10587
When Connector is Connected When Connector is Disconnected
Short Spring Plate
Housing
Housing
Terminal
ConnectorsShort Spring PlateSquib
Closed CircuitSquib Short Spring Plate ONContacting Male Terminal Short Spring Plate
RS-4
- SUPPLEMENTAL RESTRAINT SYSTEMSRS AIRBAG
1943 Author: Date:
1997 SUPRA (RM502U)
(a) All connectors in the SRS are colored in yellow to distin-
guish them from other connectors. Connectors having
special functions and specifically designed for the SRS
are used in the locations shown above to ensure high reli-
ability. These connectors use durable gold-plated termi-
nals.
(1) Terminal Twin-Lock Mechanism
Each connector has a two-piece component con-
sisting of a housing and a spacer. This design en-
ables the terminal to be locked securely by two lock-
ing devices (the retainer and the lance) to prevent
terminals from coming out.
(2) Airbag Activation Prevention Mechanism
Each connector contains a short spring plate. When
the connector is disconnected, the short spring
plate automatically connects the power source and
grounding terminals of the squib.
Page 1432 of 1807
R12076Airbag Sensor AssemblyDisconnection
Detection
PinSRS
Warning
Light
W02758
Half Connection Complete Connection
Terminal for
Diagnosis
Disconnection Detection PinTerminal for
Diagnosis
- SUPPLEMENTAL RESTRAINT SYSTEMSRS AIRBAG
RS-5
1944 Author: Date:
1997 SUPRA (RM502U)
HINT:
The type of connector shown on the previous page is used for
connectors º2º, º3º and º4º in the diagram on the previous page.
Terminal side, but the operating principle is the same.
(3) Electrical Connection Check Mechanism
This mechanism electrically checks that connectors
are connected correctly and completely. The electri-
cal connection check mechanism is designed so
that the disconnection detection pin connects with
the diagnosis terminals when the connector hous-
ing lock is locked.
HINT:
The illustration shows connector º1º, º2º, º3º.