set clock TOYOTA SUPRA 1986 Service Repair Manual

(d) Gradually turn the sensor clockwise until the ohmmeter
deflects, and secure it with the 2 set screws.
(e) Recheck the continuity between terminals IDL and E2.
 
 
Clearance between
lever and stop screw 
 Continuity (IDL±E2)
 0.54 mm (0.021 in.) Continuity
 0.70 mm (0.028 in.) No continuity
(f) Reconnect the vacuum hose to the throttle body.
Sub±Throttle Actuator, Sub±Throttle
Valve and Throttle Position Sensor
1. INSPECT SUB±THROTTLE ACTUATOR
Using an ohmmeter, measure the resistance between the ter-
minals (ACM to A and A±, BCM to B and B±).
Resistance:
0.82±0.98
at 20°C (68°F)
If the resistance is not as specified, replace the actuator.
2. REMOVE SUB±THROTTLE ACTUATOR
Remove the 4 screws and sub±throttle actuator.
± ENGINESFI SYSTEM (2JZ±GTE)EG±293

(d) Connect the tester probe of an ohmmeter to the terminals IDL
and E2 of the sensor.
(e) Gradually turn the sensor clockwise until the ohmmeter
deflects, and secure it with the 2 set screws.
(f) Recheck the continuity between terminals IDL and E2.
 
 
Clearance between
lever and stop screw 
 Continuity (IDL±E2)
 0.41 mm (0.016 in.) Continuity
 0.48 mm (0.019 in.) No continuity
6. REINSTALL SUB±THROTTLE ACTUATOR
Install the sub±throttle actuator with the 4 screws.
± ENGINESFI SYSTEM (2JZ±GTE)EG±295

(b) Insert a 0.50 mm (0.020 in.) feeler gauge between the throttle
stop screw and stop lever.
(c) Connect the tester probe of an ohmmeter to the terminals IDL
and E2 of the sensor.
(d) Gradually turn the sensor clockwise until the ohmmeter
deflects, and secure it with the 2 set screws.
(e) Recheck the continuity between terminals IDL and E2.
 
 
 
Clearance between
lever and stop screw
 
 
 
Continuity (IDL±E2)
 0.40 mm (0.016 in.) Continuity
 0.60 mm (0.024 in.) No continuity
EG±224± ENGINESFI SYSTEM (2JZ±GE)

VALVE CLEARANCE INSPECTION AND
ADJUSTMENT (2JZ±GE)
HINT: Inspect and adjust the valve clearance when the en-
gine is cold.
1. REMOVE THROTTLE BODY AND INTAKE AIR
CONNECTOR ASSEMBLY
(See steps 1 to 9 in injector removal in SFI System)
2. DISCONNECT HIGH±TENSION CORDS FROM
CYLINDER HEAD COVERS
(See high±tension cords and cord clamps removal in
Ignition System)
3. REMOVE NO.3, NO.1 AND NO.2 CYLINDER HEAD
COVERS
(a) Remove the 4 bolts, 4 nuts and No.3 cylinder head cover.
(b) Remove the 4 bolts, No.1 cylinder head cover and gasket.
(c) Remove the 4 bolts, No.2 cylinder head cover and gasket.
4. SET NO.1 CYLINDER TO TDC/COMPRESSION
(a) Turn the crankshaft pulley, and align its groove with timing
mark ºOº of the No.1 timing belt cover.
NOTICE: Always turn the crankshaft clockwise.
(b) Check that the timing marks of the camshaft timing pulleys
are aligned with the timing marks of the No.4 timing belt
cover.
If not, turn the crankshaft 1 revolution (360°).
5. INSPECT VALVE CLEARANCE
(a) Check only those valves indicated in the illustration.
wUsing a feeler gauge, measure the clearance between
the valve lifter and camshaft.
wRecord the valve clearance measurements of those that
are out of specification. They will be used later to
determine the required replacement adjusting shim.
± ENGINEENGINE MECHANICALEG±11

7. SET NO.1 CYLINDER TO TDC/COMPRESSION
(a) Turn the crankshaft pulley, and align its groove with timing
mark ºOº of the No.1 timing belt cover.
NOTICE: Always turn the crankshaft clockwise.
(b) Check that the timing marks of the camshaft timing pulleys
are aligned with the timing marks of the No.4 timing belt
cover.
If not, turn the crankshaft 1 revolution (360°).
8. REMOVE TIMING BELT FROM CAMSHAFT TIMING
PULLEYS
HINT (Re±using timing belt): Place matchmarks on the timing
belt and camshaft timing pulleys as shown in the illustration.
(a) Alternately loosen the 2 bolts, and remove them, the
tensioner and dust boot.
(b) Disconnect the timing belt from the camshaft timing pulleys.
± ENGINEENGINE MECHANICALEG±25

6. 2JZ±GE:
INSTALL PS PUMP FRONT BRACKET
(a) Install the pump front bracket with the 2 bolts (A).
Torque: 58 NVm (590 kgfVcm, 43 ftVlbf)
(b) Install the plate washer and bolt (b) to the oil pump.
Torque: 52 NVm (530 kgfVcm, 38 ftVlbf)
7. INSTALL CRANKSHAFT PULLEY
(a) Align the pulley set key with the key groove of the pulley, and
slide on the pulley.
(b) Using SST, install the bolt.
SST 09213±70010, 09330±00021
Torque: 324 NVm (3,300 kgfVcm, 239 ftVlbf)
8. A/T:
CONNECT OIL COOLER TUBES
9. INSTALL CAMSHAFT TIMING PULLEYS
(a) Align the camshaft knock pin with the groove of the pulley,
and slide on the timing pulley.
(b) Temporarily install the timing pulley bolt.
(c) Using SST, tighten the pulley bolt.
SST 09960±10010 (09962±01000, 09963±01000)
Torque: 79 NVm (810 kgfVcm, 59 ftVlbf)
10. SET NO.1 CYLINDER TO TDC/COMPRESSION
(a) Turn the crankshaft pulley, and align its groove with timing
mark ºOº of the No.1 timing belt cover.
NOTICE: Always turn the crankshaft clockwise.
± ENGINEENGINE MECHANICALEG±31

197
SRS (SUPPLEMENTAL RESTRAINT SYSTEM)
NOTICE: When inspecting or repairing the SRS (supplemental restraint system), perform the operation in
accordance with the following precautionary instructions and the procedure and precautions in the Repair
Manual for the applicable model year.

Malfunction symptoms of the supplemental restraint system are difficult to confirm, so the diagnostic trouble
codes become the most important source of information when troubleshooting.
When troubleshooting the supplemental restraint system, always inspect the diagnostic trouble codes before
disconnecting the battery.

Work must be started after 90 seconds from the time the Ignition SW is set to the ªLOCKº position and the
negative (±) terminal cable is disconnected from the battery.
(The supplemental restraint system is equipped with a back±up power source so that if work is started within
90 seconds of disconnecting the negative (±) terminal cable of the battery, the SRS may be activated.)
When the negative (±) terminal cable is disconnected from the battery, memory of the clock and audio systems
will be cancelled. So before starting work, make a record of the contents memorized by each memory system.
When work is finished, reset the clock and audio system as before and adjust the clock.
To avoid erasing the memory of each memory system, never use a back±up power supply from outside the
vehicle.

When removing the steering wheel pad or handling a new steering wheel pad, keep the pad upper surface
facing upward. Also, lock the lock lever of the twin lock type connector at the rear of the pad and take care
not to damage the connector.
(Storing the pad with its metallic surface up may lead to a serious accident if the SRS inflates for some reason.)

Always store a removed or new front passenger airbag assembly with the airbag door facing up. Storing the
airbag assembly with the airbag door facing down could cause a serious accident if the airbag inflates.

Store the steering wheel pad where the ambient temperature remains below 93°C (200°F), without high
humidity and away from electrical noise.

Never use SRS parts from another vehicle. When replacing SRS parts, replace them with new parts.

Never disassemble and repair the steering wheel pad, front passenger airbag assembly, center airbag sensor
assembly or front airbag sensors.

Before repairing the body, remove the airbag sensors if during repair shocks are likely to be applied to the
sensors due to vibration of the body or direct tapping with tools or other parts.

Do not reuse a steering wheel pad or front airbag sensors.
After evaluating whether the center airbag sensor assembly is damaged or not, decide whether or not to reuse
it. (See the Repair Manual for the method for evaluating the center airbag sensor assembly.)

When troubleshooting the supplemental restraint system, use a high±impedance (Min. 10k
/V) tester.

The wire harness of the supplemental restraint system is integrated with the cowl No. 2 wire harness
assembly.
The vehicle wiring harness exclusively for the airbag system is distinguished by corrugated yellow tubing, as
are the connectors.

Do not measure the resistance of the airbag squibs.
(It is possible this will deploy the airbag and is very dangerous.)

If the wire harness used in the supplemental restraint system is damaged, replace the whole wire harness
assembly.
When the connector to the front airbag sensors can be repaired alone (when there is no damage to the wire
harness), use the repair wire specially designed for the purpose.
(Refer to the Repair Manual for the applicable Model year for details of the replacement method.)

INFORMATION LABELS (NOTICES) are attached to the periphery of the SRS components. Follow the
instructions on the notices.