2000 TOYOTA CAMRY audio

'99camry U
246
27. STOP 15 A: Stop lights, cruise control
system, high±mounted stoplight, anti±
lock brake system, shift lock control
system, multiport fuel injection system/
sequential multiport fuel injection sys-
tem
28. TAIL 10 A: Parking lights, license plate
lights, tail lights, front side marker
lights, daytime running light system,
multiport fuel injection system/sequen-
tial multiport fuel injection system
29. POWER±OUTLET 15 A: Power outlet
30. OBD 7.5 A: On±board diagnosis sys-
tem
31. FOG 15 A: No circuit
32. STARTER 5 A: Gauges and meters,
Multiport fuel injection system/sequen-
tial multiport fuel injection system
33. DOOR 25 A: Power door lock system,
theft deterrent system, fuel filler door
control system34. PANEL 7.5 A: Gauge and meter, audio
system, cigarette lighter, glove box
light, clock, instrument panel light con-
trol, service reminder indicators, air
conditioning control panel lights, ash-
tray light, emergency flasher, seat heat-
er control system, daytime running light
system, rear window defogger, electron-
ically controlled automatic transmission
system
35. TURN 7.5 A: Emergency flasher
36. RAD±NO.2 7.5 A: Audio system, power
antenna
37. CIG 15 A: Cigarette lighter, shift lock
control system, power rear view mirror
controls, theft deterrent system, power
door lock system, SRS airbag system,
seat belt pretensioners, outside rear
view mirror defogger, air conditioning
system
Fuses (type B)
38. CDS 30 A: Electric cooling fans
39. RDI 30 A: Electric cooling fans
40. MAIN 40 A: ºHEAD RH(UPR)º, ºHEAD
RHº, ºH±LP RH(LWR)º fuses
41. HTR 50 A: ºAM1º, ºA/Cº fuses
42. DEF 40 A: Rear window defogger43. PWR 30 A: Power window control sys-
tem, power seat, electric moon roof
44. AM1 40 A: Head lamp cleaner
45. T±STK 40 A or CDS NO.2 30 A: No
Circuit
Fuses (type C)
46. ALT 100 A: ºRDIº, ºCDSº fuses
47. ABS 60 A: Anti±lock brake system

GENERAL 1999 FEATURES
GENERAL 1999 FEATURES
2
DESCRIPTION
The table below provides an outline of the system that is indicated in the General 1999 Features and the names
of the '99 models that have adopted this system.
System
OutlineModel Name
Engine
Emission
Control
SystemA service port for inspecting the evaporative
emission control system has been provided
between the charcoal canister and the VSV
for EVAP.
All Models
SRS Airbag
A front airbag sensor that detects the impact
of a frontal collision has been newly added
to realize a 3-sensor type airbag system.Models except
Tercel and Paseo
AccessoriesSeat Belt
Warning
System
A seat belt warning system for the front
passenger has been provided to inform that
the seat belt is not being worn if the front
passenger is seated but is not wearing the
seat belt.
Tercel*, Paseo*
Camry Solara, Sienna
4Runner, Land Cruiser
AudioAVC-LAN
The AVC-LAN (Audio Visual Communica-
tion - Local Area Network) standard has
been adopted by the audio system. Thus, the
system's expandability has been improved
by facilitating the interchange or the addi-
tion of audio system units.
All Models*
*: This feature has been adopted starting on the '98 model.

1
GENERAL 1999 FEATURES9
AUDIO
AVC-LAN
1. General
The AVC-LAN (Audio Visual Communication - Local Area Network) is a communication standard that has
been established by the 6 audio manufacturers that produce audio visual units, which are mounted on Toyota's
production vehicles. This standard, which ensures the mutual interchangeability of the manufacturers' units,
facilitates the connection and control of those units.
The characteristics of an audio system that supports AVC-LAN are described below.
An audio system can be created by selecting the units regardless of the audio unit's manufacturer.
The audio system that was installed in the factory can be freely interchanged or added with commercially
available audio units.
Because this standard enables the manufacturers to develop and produce the audio unit of their specialty,
a wide variety of products can be provided in the audio lineup.
The audio units that are newly developed by the manufacturers can be added to the lineup in a timely man-
ner.
By pre-registering the switch operation of each unit established in the line up into the head unit, each unit
can be controlled by the head unit without adding the transmitter when adding units later.
By adopting the audio system corresponded to the AVC-LAN standard, audio units can be easily added or
changed with the audio system mounted originally on the vehicle as the base. Thus, the expandability of the
audio system is improved.

GENERAL 1999 FEATURES
160GE01
Radio and Cassette DeckCommunication BusCD Changer
Physical Address : 190
Logical Address : 11 (Mode Control)
25 (Command Switch)
60 (Radio Tuner)
61 (Cassette Deck)Physical Address: 240
Logical Address: 43 10
2. Communication Outline
In the audio system that uses AVC-LAN, audio units such as a cassette deck or a CD changer are connected
by a communication bus that establishes communication via serial data signals.
In this system, addresses are used to identify the units with which to establish communication. The addresses
can be broadly divided into two types: the physical address that is assigned to each audio unit such as a cas-
sette deck, CD changer, etc.; and the logical address that is assigned to the function that each unit provides,
such as the radio function or the cassette function. The physical addresses are represented by 3-digit numbers
and the logical addresses are represented by 2-digit numbers.
The signals that are exchanged between the units are the unit's control signal, display data, audio signal, etc.,
which have been rendered into serial data. The configuration of the 4 signals indicated below, which are ren-
dered into serial data and transmitted to the each unit, has been established as a uniform AVC-LAN standard.
Audio Signal
Video Signal
Display Data
Signal Communication Software
The illustration below shows an example of an audio system configuration using AVC-LAN.
3. Operation
System Registration
An audio system that uses AVC-LAN performs a registration process to verify the audio units that comprise
the system.
When the ignition switch is turned to the ACC position, the audio units that comprise the system transmit
the logic address in the units, and the physical address is transmitted by the mode control portion that is
integrated in the smallest audio unit (head unit). By receiving these addresses, the mode control portion veri-
fies the units that comprise the system.
By performing this process, all functions can be controlled regardless of the combination of the units that
comprise the system.

1
GENERAL 1999 FEATURES
160GE02
160GE03
MUTE
Sound
VOL
74
ICIC
Cassette
61Radio
60ICCD
Changer
43
Power Amplifier
Power Supply
Control
Mode ControlCommand
SwitchVolume Cassette Radio
Fig. 1
CD Changer
OFF
CD
Radio
CD
Play Notice
Output ON Request
Output ON Verification
Output OFF Verification
Output ON VerificationOutput ON Request Amplifier Power
Supply ON
Power On Notice Output ON Verification Output ON Instruction
Output ON Instruction
Output ON Instruction Output OFF Instruction
Radio ONCD OFFCD ON
AMFM
Fig. 2
(Shielded)
(Press Switch)
(Press Switch)
11
Switching the System
An audio system that uses AVC-LAN consists of audio units that are connected in parallel as described in
Fig. 1. Each of the audio units has a switch to connect the unit to the communication bus.
To control the audio units in accordance with the system to be operated, the mode control portion transmits
output ON and output OFF instructions. In accordance with the instruction signals transmitted by the mode
control portion, the units turn their switches ON or OFF to switch the operating unit and system. Fig. 2 shows
an example of a signal exchange that takes place between the mode control unit and each audio unit during
the switching of the system.

5
CAMRY ± OUTLINE OF NEW FEATURES
160CM05
27
8. Lighting
Daytime running light system with automatic light control sensor is provided on the models for U.S.A. as
optional equipment, and as standard equipment on the models for Canada.
The basic construction and operation are the same as in the '99 Camry Solara.
9. Air Conditioning
An aluminum heater core has been adopted on all models.
A quick joint has been adopted for joining the air conditioner tube.
10.SRS Airbag
A 3-sensor type airbag system has been adopted with the addition of a front airbag sensors, which senses the
impact of a frontal collision. For details, see the General 1999 Features section.
11. Power Seat
A power seat is available as an option for the driver seat on the LE grade model. Also, a power seat is available
as an option for the driver and front passenger seats on the LE grade model with leather seat.
12. Audio
An AM / FM ETR with Cassette Deck and CD Player with built-in power amplifier is available as an option
on the LE grade model.
The pole antenna, which was provided on the CE grade model, has been changed to the rear window im-
printed antenna.
13. Cruise Control System
The cruise control ECU has been made more compact.

CAMRY ± NEW FEATURES
160CM04
Air Conditioning TubeClamp
Air Conditioning Tube
160CM01
32
AIR CONDITIONING
The joint of the air conditioning tube, which passes through the dash panel, has been changed from the nut-
and-union type that is used on the '98 model to the clamp type quick joint. As a result, the ease of operation
and service has been improved.
AUDIO
An AM / FM ETR with Cassette Deck and CD Player with built-in power amplifier is available as an option
on the LE grade model.
On this audio unit, the letters of the LED have been enlarged to improve the ease of monitoring the operating
condition of the audio unit.

IN
INTRODUCTION Ð OUTLINE OF NEW FEATURES 4
11. Audio
3-way speakers are used for the rear speaker.
167CN01