1995 TOYOTA SUPRA stop start

4. CHECK PEDAL RESERVE DISTANCE
Release the parking brake.
With the engine running, depress the pedal and measure the
pedal reserve distance, as shown.
Pedal reserve distance at 490 N (50 kgf, 110.2 lbf):
w/o TRAC: More than 72 mm (2.83 in.)
w/ TRAC: More than 70 mm (2.76 in.)
If the reserve distance is incorrect, troubleshoot the brake
system.
BRAKE BOOSTER OPERATIONAL TEST
1. OPERATING CHECK
(a) Depress the brake pedal several times with the engine off
and check that there is no change in the pedal reserve
distance.
(b) Depress the brake pedal and start the engine. If the pedal
goes down slightly, operation is normal.
2. AIR TIGHTNESS CHECK
(a) Start the engine and stop it after 1 or 2 minutes. Depress the
brake pedal several times slowly. If the pedal goes down
farthest the 1st time, but gradually rises after the 2nd or 3rd
time, the booster is air tight.
(b) Depress the brake pedal while the engine is running, and
stop the engine with the pedal depressed. If there is no
change in the pedal reserve travel after holding the pedal for
30 seconds, the booster is air tight.
BRAKE SYSTEM BLEEDING
HINT: If any work is done on the brake system or if air in the
brake lines is suspected, bleed the system of air.
NOTICE: Do not let brake fluid remain on painted sur-
faces. Wash it off immediately.
1. REMOVE RESERVOIR CAP
Turn the reservoir cap to the ºopenº side and remove it.
2. FILL RESERVOIR WITH BRAKE FLUID
Fluid:
SAE J1703 or FMVSS NO.116 DOT3
± BRAKE SYSTEMCHECK AND ADJUSTMENTBR±7

SPEED SENSOR SIGNAL CHECK
1. Turn the ignition switch OFF
2. Using SST, connect terminals Ts and E1 of DLC1.
SST 09843±18020
3. Start the engine.
4. Check that the ABS warning light blinks.
HINT:
wIf the ABS warning light does not blink, inspect the ABS
warning light circuit (See page BR±107).
wIf the ABS warning light is always on, inspect and repair
the IG1 terminal of lateral acceleration sensor.
5. Drive the vehicle faster than 45 km/h (28 mph) for several
seconds.
6. Stop the vehicle.
7. Using SST, connect terminals Tc and E1 of DLC1.
SST 09843±18020
8. Read the number of blinks of the ABS warning light.
HINT: See the list of diagnostic trouble codes shown on the
next page.
If every sensor is normal, a normal code is output (A cycle of
0.25 sec. ON and 0.25 sec. OFF is repeated).
If 2 or more malfunctions are indicated at the same time, the
lowest numbered code will be displayed first.
9. After doing the check, disconnect terminals Ts and E1, Tc and
E1 of DLC1, and turn ignition switch OFF. BR±62
± BRAKE SYSTEMANTI±LOCK BRAKE SYSTEM (ABS)

CLUTCH PEDAL
CLUTCH PEDAL CHECK AND ADJUSTMENT
1. CHECK PEDAL HEIGHT
Pedal height from asphalt sheet:
146.2±156.2 mm (5.76±6.15 in.)
2. IF NECESSARY, ADJUST PEDAL HEIGHT
Loosen the lock nut and clutch switch until the height is cor-
rect. Tighten the lock nut.
HINT: Before rotating the clutch switch for pedal height ad-
justment, disconnect the clutch switch connector.
3. CHECK PEDAL FREEPLAY AND PUSH ROD PLAY
Push in on the pedal until the beginning of clutch resistance
is felt.
Pedal freeplay: 5.0±15.0 mm (0.197±0.591 in.)
Gently push on the pedal until the resistance begins to in-
crease a little.
Push rod play at pedal top:
1.0±5.0 mm (0.039±0.197 in.)
4. IF NECESSARY, ADJUST PEDAL FREEPLAY AND PUSH
ROD PLAY
(a) Loosen the lock nut and turn the push rod until the freeplay
and push rod play are correct.
(b) Tighten the lock nut.
(c) After adjusting the pedal freeplay, check the pedal height.
5. INSPECT FULL PEDAL STROKE
Full pedal stroke: 132.0±138.0 mm (5.20±5.43 in.)
6. INSPECT CLUTCH RELEASE POINT
(a) Pull the parking brake lever and install wheel stopper.
(b) Start the engine and idle the engine.
(c) Without depressing the clutch pedal, slowly shift the shift
lever into position until the gears contact.
(d) Gradually depress the clutch pedal and measure the stroke
distance from the point the gear noise stops (release point)
up to the full stroke end position.
Standard distance: 25 mm (0.98 in.) or more
(From pedal stroke end position to release point)
If the distance is not as specified, do the following operation.
wInspect pedal height.
wInspect push rod play and pedal freeplay.
wBleed the clutch line.
wInspect the clutch cover and disc. CL±4
± CLUTCHCLUTCH PEDAL

ELECTRIC COOLING FAN (2JZ±GTE)
On±Vehicle Inspection
1. C H E C K C O O L I N G FA N O P E R AT I O N W I T H L O W
TEMPERATURE (Below 88°C (190°F))
(a) Turn the ignition switch ON.
(b) Check that the cooling fan stops.
If not, check the cooling fan relay and ECT switch, and check
for a separated connector or severed wire between the No.1
radiator fan relay and ECT switch.
(c) Disconnect the ECT switch connector.
(d) Check that the cooling fan rotates.
If not, check the No.1 radiator relay, No.2 radiator fan relay,
cooling fan, fuses, and check for short circuit between the
No.1 radiator fan relay and ECT switch.
(e) Reconnect the ECT switch connector.
2. CHECK COOLING FAN OPERATION WITH HIGH
TEMPERATURE (Above 97°C (207°F))
(a) Start the engine, and raise coolant temperature to above
97°C (207°F).
(b) Check that the cooling fan rotates.
If not, replace the ECT switch.
± ENGINECOOLING SYSTEMEG±353

[3] SYMPTOM SIMULATION
The most difficult case in troubleshooting is when there are no problem symptoms occurring. In such cases, a
thorough customer problem analysis must be carried out, then simulate the same or similar conditions and envi-
ronment in which the problem occurred in the customer's vehicle. No matter how much experience a technician
has, or how skilled he may be, if he proceeds to troubleshoot without confirming the problem symptoms he will
tend to overlook something important in the repair operation and make a wrong guess somewhere, which will
only lead to a standstill. For example, for a problem which only occurs when the engine is cold, or for a problem
which occurs due to vibration caused by the road during driving, etc., the problem can never be determined so
long as the symptoms are confirmed with the engine hot condition or the vehicle at a standstill. Since vibration,
heat or water penetration (moisture) are likely causes for problems which are difficult to reproduce, the symptom
simulation tests introduced here are effective measures in that the external causes are applied to the vehicle
in a stopped condition.
Important Points in the Symptom Simulation Test
In the symptom simulation test, the problem symptoms should of course be confirmed, but the problem area
or parts must also be found out. To do this, narrow down the possible problem circuits according to the symptoms
before starting this test and connect a tester beforehand. After that, carry out the symptom simulation test, judg-
ing whether the circuit being tested is defective or normal and also confirming the problem symptoms at the
same time. Refer to the matrix chart of problem symptoms for each system to narrow down the possible causes
of the symptom.
VIBRATION METHOD: When vibration seems to be the major cause.
CONNECTORS
Slightly shake the connector vertically and horizontally.
WIRE HARNESS
Slightly shake the connector vertically and horizontally
.
The connector joint, fulcrum of the vibration, and body
through portion are the major areas to be checked thor-
oughly.
PARTS AND SENSORS
Apply slight vibration with a finger to the part of the sen-
sor considered to be the problem cause and check if the
malfunction occurs.
HINT: Applying strong vibration to relays may result in
open relays. IN±24
± INTRODUCTIONHOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS

 Rear bearing Mark 7 2.26±2.31 mm (0.0890±0.0909 in.)
 Oil seal drive in depth 
  Front bearing retainer (from retainer end) 11.4±12.0 mm (0.449±0.472 in.)
  Control shift lever retainer 55.4±56.0 mm (2.181±2.205 in.)
TORQUE SPECIFICATIONS
 Part tightened NVm kgfVcm ftVlbf
 Transmission x Engine   
 12 mm bolt 72 730 53 10 mm bolt 37 380 27 Engine rear mounting x Transmission 25 250 18 Rear engine mounting member   
 Nut 13 135 10 Bolt 25 260 19 Transmission x Starter 39 400 29 Clutch release cylinder set bolt 13 130 9 
Transmission shift lever x Transmission
 
19
 
195
 
14 
Propeller shaft x Differential
 
93

950
 
69 
 Propeller shaft center bearing
 


49

 500
 
 36
 Crossmember brace set bolt 13 130 9
 Heat insulator set nut 5.4 55 48 in.Vlbf
 Exhaust center pipe x Tail pipe 19 195 14
 Exhaust front pipe x Exhaust center pipe 43 440 32
 Exhaust pipe support bracket set bolt 37 380 27
 Exhaust No.2 front pipe x Exhaust front pipe 43 440 32
 Oxygen sensor set nut 18 180 13
 Shift lever x Control shift lever arm 7.8 80 69 in.Vlbf
 Shift fork set bolt 20 200 14
 Straight screw plug 25 250 18
 Reverse idler gear shaft stopper bolt 25 250 18
 Oil separator x Intermediate plate 18 185 13
 Front bearing retainer set bolt 25 250 18
 Extension housing x Intermediate plate 37 380 27
 Restrict pin 40 410 30
 Shift lever housing x Shift and select lever shaft 39 400 29
 Control shift lever retainer x Extension housing 18 185 13
 No.2 inner shift lever x Control shaft 39 400 29
 No.1 control shift yoke x Control shaft 19 195 14 Drain and filler plugs 39 400 29 Back±up light switch 40 410 30 Control shift lever arm x Control shift lever retainer 25 250 18 Control shift lever arm x Extension housing 19 195 14 Clutch housing x Transmission case 37 380 27 Rear bearing retainer x Intermediate plate 18 185 13
MT1±48± W58 MANUAL TRANSMISSIONSERVICE SPECIFICATIONS

9. Use SST for inspection or test of the injector or its wiring
connector.
SST 09842±30070
FUEL SYSTEM
1. When disconnecting the high pressure fuel line, a large
amount of gasoline will spill out, so observe the following
procedures:
(a) Disconnect the fuel pump connector.
(b) Start the engine. After the engine has stopped on its own,
turn off the ignition switch.
(c) Put a container under the connection.
(d) Slowly loosen the connection.
(e) Disconnect the connection.
(f) Plug the connection with a rubber plug.
(g) Reconnect the fuel pump connector.
2. When connecting the flare nut or union bolt on the high
pressure pipe union, observe the following procedures:
Union Bolt Type:
(a) Always use a new gasket.
(b) Tighten the union bolt by hand.
(c) Tighten the union bolt to the specified torque.
Torque: 29 NVm (300 kgfVcm, 22 ftVlbf)
Flare Nut Type:
(a) Apply a light coat of engine oil to the flare nut, and tighten the
flare nut by hand.
(b) Using SST, tighten the flare nut to specified torque.
SST 09631±22020
Torque: 30 NVm (310 kgfVcm, 22 ftVlbf)
HINT: Use a torque wrench with a fulcrum length of 30 cm
(11.81 in.).
± ENGINESFI SYSTEM (2JZ±GE)EG±191

(h) Reconnect the negative (±) terminal cable to the battery.
(i) Turn the ignition switch ON.
(j) Measure the fuel pressure.
Fuel pressure:
265±304 kPa (2.7±3.1 kgf/cm
2, 38±44 psi)
If pressure is high, replace the fuel pressure regulator.
If pressure is low, check the following parts:
wFuel hoses and connections
wFuel pump
wFuel filter
wFuel pressure regulator
(k) Remove the SST from the DLC1.
SST 09843±18020
(l) Start the engine.
(m) Disconnect the vacuum sensing hose from the fuel pressure
regulator, and plug the hose end.
(n) Measure the fuel pressure at idle.
Fuel pressure:
265±304 kPa (2.7±3.1 kgf/cm
2, 38±44 psi)
(o) Reconnect the vacuum sensing hose to the fuel pressure
regulator.
(p) Measure the fuel pressure at idle.
Fuel pressure:
196±235 kPa (2.0±2.4 kgf/cm
2, 28±34 psi)
If pressure is not as specified, check the vacuum sensing
hose and fuel pressure regulator.
(q) Stop the engine.
(r) 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.
(s) 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
(t) Install the fuel inlet pipe to the delivery pipe with 2 new
gaskets and the union bolt.
Torque: 42 NVm (420 kgfVcm2, 30 ftVlbf)
(u) Install the No.2 vacuum pipe with the 2 nuts.
Torque: 27 NVm (270 kgfVcm2, 20 ftVlbf)
(v) Reconnect the negative (±) terminal cable to the battery.
(w) Check for fuel leaks.
(See item 5 in fuel system in precaution) EG±194
± ENGINESFI SYSTEM (2JZ±GE)