Page 729 of 4770

CAMRY ± NEW FEATURES
150NF122
Pressure BulkheadPropellant Grain
Gas
Initiator
CAUTION
The initiator is ignited even by a feeble current. As it is dangerous, never measure the resistance of the
initiator with a volt / ohmmeter, etc.
150NF123
Pressure Bulkhead
Propellant GrainInitiator
Gas
: Propagation of Fire
: Flow of Gas
20
Inflator and Bag
1) Construction
The inflator and bag are integrated inside the case and located in the outer side of the seat back. The infla-
tor is comprised of a initiator, propellant grain, gas and pressure bulkhead.
The bag is made of strong nylon cloth and becomes inflated by the gas heated by the inflator.
2) Operation
When the side airbag sensor detects the acceleration because of a side collision, the ECU appraises the
extent of the acceleration to determine whether or not the side airbag must be deployed.
After the ECU determines that the side airbag must be delpoyed, it causes the initiator to ignite in order
to head and expand the gas inside the inflator. The expanded gas tears thhe pressure bulkhead and flows
into the bag.
The bag, which is inflated by the gas, pushes open the case in the seat, tears the sewn portion of the seat
outer cover, and expands to the side of the occupant.
The expanded bag receives the occupant's arm and chest, and discharges the gas through the bag's surface
in order to soften the rcoil.
Thus, the side airbag helps to reduce the impact energy that is applied to the occupant's arm and chest
areas.
Page 730 of 4770
CAMRY ± NEW FEATURES
150NF113
SRS Warning Light
150NF114
Range of Operation
Safing
Sensor ON
Side Airbag
Sensor ON
ANDIgnition
21
SRS Warning Light
The
SRS warning light is located on the
combination meter.
It comes on to alert the driver about system
trouble when a malfunction is detected in
self-diagnosis of the airbag sensor assembly and
side airbag sensor assembly. In normal operating
conditions when the ignition switch is turned to
the ACC or ON position, the light comes on for
about 6 seconds and then goes off.
5. System Operation
Ignition Judgement and Conditions
The safing sensor is designed to be activated by a smaller acceleration rate than the side airbag sensor.
As illustrated below, ignition is caused when current flows to the initiator, which happens when a safing
sensor and the side airbag sensor go on simultaneously.
Page 731 of 4770

CAMRY ± NEW FEATURES
0.8 Sec.
1.2 Sec.
UnsetSet
Non-Alert
Stage
Alert
Preparation
StageAlert
StageWarning
Stage
22
THEFT DETERRENT SYSTEM
1. General
The following changes have been made to the theft deterrent system.
The starter cutoff function has been discontinued with the adoption of the engine immobiliser system.
The illuminating pattern of the indicator light which indicates the condition of the system has been
changed in conjunction with the adoption of the engine immobiliser system.
2. Indicator Light
The '98 Camry has adopted an engine immobiliser system. Accordingly, a single indicator light can display
the conditions of the 2 systems, the engine immobiliser system, and the theft deterrent system. As a result,
the illuminating pattern of the indicator lights are those listed below.
Actual Indicator Li
ghtONActual Indicator Light
Illuminating PatternOFF
Indicator Light IlluminatingONIndicator Light Illuminating
Pattern for the Immobiliser SystemOFF
Condition of the Immobiliser SystemÐ
Indicator Light IlluminatingONIndicator Light Illuminating
Pattern for the Theft Deterrent SystemOFF
Condition of the Theft Deterrent
SystemÐ
150NF115
Page 732 of 4770
CAMRY ± NEW FEATURES
150NF116
Transponder Chip
Ignition KeyTransponder
Key Coil
Key
Cylinder
Transponder
Key AmplifierECMSpark Plug
Injector
150NF117
Transponder Key
AmplifierTransponder Key Coil
ECM
23
ENGINE IMMOBILISER SYSTEM
1. General
The engine immobiliser system is a theft-deterrent system which disables the engine from starting using the
ignition key with an ID code that matches is the pre-registered code in the vehicle.
This system adopts a transponder system which uses a transponder chip embedded in the grip of the ignition
key. When the coil located around the ignition key cylinder receives the ID code signal transmitted by the
transponder chip, the computer included in the ECM determines whether or not the ID code matches the code
stored in the computer.
System Diagram
2. Layout of Components
The major function parts of the engine immobiliser system are shown below.
Page 733 of 4770

CAMRY ± NEW FEATURES
150NF118
BatteryIgnition Switch
EFI
Relay
Transponder
Key Coil
Transponder
Key AmplifierECMBody
ECU
DLC1
150NF119
Transponder Chip
24
3. Wiring Diagram
4. Construction
The engine immobiliser system consists of the transponder key (ignition key), transponder key coil, trans-
ponder key amplifier, and ECM.
Transponder Key (Ignition Key)
A transponder chip is embedded in the grip of the
ignition key. Each transponder chip contains an
individual transponder key-code (ID code). The
key does not need an internal battery to transmit
a key code.
Transponder Key Coil and Transponder Key Amplifier
The transponder key coil is a ring-shaped coil installed around the ignition key cylinder. The transponder
key amplifier is installed in the back of the key cylinder.
An electrical power circuit to provide power to the transponder key coil has been enclosed in the amplifier.
ECM
The control circuit of the engine immobiliser system has been integrated inside the ECM. As a result, the
time has been reduced taken for the engine to start in case of mismatching key code thus improving the
system's theft deterrent performance.
A maximum of 10 different transponder key codes (master key: 7 types, sub key: 3 types) can be registered
in the ECM.
Page 734 of 4770

CAMRY ± NEW FEATURES
150NF120
Ignition KeyElectromagnetic
Energy
Transponder
ChipKey-Code
SignalTransponder Key
AmplifierECM
150NF121
Key-Code
SignalKey-Code
Transponder
Key AmplifierKey-CodeCode Memory Circuit
Code
Comparison
Circuit
ECMSpark Plug
Injector25
5. Operation
Setting the Engine Immobiliser System
When the ignition key is removed from the key cylinder, the engine immobiliser system will be set.
Unsetting the Engine Immobiliser System
1
When the ignition key is inserted in the key cylinder, the ECM instructs the transponder key coil to sup-
ply the electromagnetic energy that enables the transponder chip to transmit a key-code signal. The
transponder chip then uses this electrical energy to transmit a key-code signal.
2
The key-code signal that has been received at the coil is amplified by the transponder key amplifier and
sent to the ECM. The key-code that has been received by the ECM is then compared to the key-code
that is stored in the ECM. The code comparison process takes place and if the codes match in a row,
the ECM unsets the immobiliser system. As a result, the engine will be able to start.
Page 735 of 4770

CAMRY ± NEW FEATURES 26
6. Functions
The engine immobiliser system provides the following functions:
Immobiliser Cancel Function
The immobiliser system is cancelled when the following condition is met, thus permitting authorized opera-
tion of the engine:
The ignition key has been inserted in the key cylinder (after the ECM reads the key code of the transpond-
er chip and that code matches the pre-registered key code).
New Transponder Key Code Registration Function
This function allows the registration of the key code of two master keys and a sub key to the new ECM. This
function is used if the ECM is replaced with a new one.
Additional Transponder Key Code Registration Function
This function enables the registration of the key code for a new master key or sub key, while retaining the
key codes that are already registered. This function is used for the purpose of adding a new master or sub
key. A maximum of 10 different transponder key codes (7 for master keys and 3 for sub keys) can be regis-
tered in the ECM.
Transponder Key Code Delete Function
This function deletes all the transponder key codes that are registered in the ECM except for the key code
of the master key that was used to execute the delete function.
For further details on transponder key code registration, addition, and deletion, see the 1998 Camry Repair
Manual (Pub. No. RM589U).
Appendix
Page 736 of 4770

APPENDIX ± CAMRY
ItemArea
Body Type
Vehicle Grade
Model Code
OverallLength mm (in.)
Width mm (in.)
Height* mm (in.)
Wheel Base mm (in.)
TreadFront mm (in.)
Rear mm (in.)
Effective Head RoomFront mm (in.)
Rear mm (in.)
Front mm (in.)
Rear mm (in.)
Front mm (in.)
Rear mm (in.)
Front mm (in.)
Rear mm (in.) Effective Leg Room
Shoulder Room
Overhang
Min. Running Ground Clearance mm (in.)
Angle of Approach degrees
Angle of Departure degrees
Curb Weight
Gross Vehicle WeightFront kg (lb)
Rear kg (lb)
Total kg (lb)
Front kg (lb)
Rear kg (lb)
Total kg (lb)
Fuel Tank Capacity (US.gal., Imp.gal)
Luggage Compartment Capacity m
3 (cu.ft.)
Max. Speed km / h (mph)
Max. Cruising Speed km / h (mph)
Acceleration
Max. Permissible
Speed
Turning Diameter
(Outside Front)0 to 100 km / h sec.
0 to 400 m sec.
1st Gear km / h (mph)
2nd Gear km / h (mph)
3rd Gear km / h (mph)
4th Gear km / h (mph)
Wall to Wall m (ft.)
Curb to Curb m (ft.)
Engine Type
Valve Mechanism
Bore x Stroke mm (in.)
Displacement cm
3 (cu.in.)
Compression Ratio
Carburetor Type
Research Octane No. RON
Max. Output (SAE-NET) kW / rpm (HP@rpm)
Max. Torque (SAE-NET) N
.m / rpm (lb-ft@rpm)
Battery Capacity (5HR) Voltage & Amp. hr.
Generator Output Watts
Starter Output kW
Clutch Type
Transaxle Type
Transmission Gear
Ratio
Counter Gear Ratio
Differential Gear Ratio (Final)
Brake Type
Parking Brake Type
Brake Booster Type and Size in.
Proportioning Valve Type
Suspension Type
Stabilizer Bar
Steering Gear Type
Steering Gear Ratio (Overall)
Power Steering TypeIn First
In Second
In Third
In Fourth
In Fifth
In Reverse
Front
Rear
Front
Rear
Front
Rear
5
10
15
20
25
30
35
40
45
50
55
60
65
70
Major Dimensions & Vehicle Weights Performance Engine Engine
Chassis
Electrical
U.S.A.
CE
LE 4-Door Sedan
XLE
148
CAMRY
SXV20L-CEMDKA SXV20L-CEPDKA SXV20L-A(C)EPNKA SXV20L-A(C)EPGKA
4785 (188.4)
1780 (70.1)
1415 (55.7)
2670 (105.1)
1545 (60.8)
1520 (59.8)
980 (38.6), 950 (37.4)*
1
940 (37.0), 914 (36.0)*1
1102 (43.4)
901 (35.5)
1427 (56.2)
1425 (56.1)
970 (38.2)
1140 (44.9)
130 (5.1)
16
16
810 (1786) 835 (1841) 865 (1907)*
2, 870 (1918)*3
550 (1213) 545 (1202) 535 (1179)*2, 545 (1202)*3540 (1191)*2, 550 (1213)*3
1360 (2999) 1380 (3043) 1400 (3086)*2, 1415 (3120)*31405 (3098)*2, 1420 (3131)*3
995 (2195)
900 (1985)
1895 (4180)
70 (18.5, 15.4)
0.399 (14.1)
180 (112)
ÐÐÐÐ
ÐÐÐÐ
ÐÐÐÐ
52 (32) 69 (43)
93 (58) 125 (78)
147 (91) Ð Ð Ð
ÐÐÐÐ
115 (37.7)
11.0 (36.1)
5S-FE
16-Valve, DOHC
87.0 x 91.0 (3.43 x 3.58)
2164 (132.0)
9.5 : 1
SFI
91
99 / 5200(133@5200),97 / 5200(130@5200)*4199 / 4400(147@4400),197 / 4400(145@4400)*4
12 ± 55, 12 ± 48*5
960
1.4
Dry, Single Plate Ð Ð Ð
S51 A140E
3.538 2.810
1.960 1.549
1.250 1.000
0.945 0.706
0.731 Ð Ð Ð
3.153 2.296
Ð 0.945
3.944
Ventilated Disc
L.T. Drum
Drum
Tandem 8º + 9ºTandem 8.5º + 8.5º*
2, 8º + 9º*3
Dual-P Valve
MacPherson Strut
MacPherson Strut
STD
STD
Rack and Pinion
17.4 : 1
Integral Type
*: Unladed Vehicle *
3: Produced by TMMK
*1: With Moor Roof *4: California Specification Model
*2: Produced by TMC *5: Without Cold Area Specification Model