Audio And Visual System Terminals Of Ecu

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Audio Visual. Lexus Is250, Is220D. Gse20 Ale20

  1. RADIO RECEIVER

  1. INTEGRATION CONTROL & PANEL ASSEMBLY (WITHOUT NAVIGATION SYSTEM)

  1. STEREO COMPONENT AMPLIFIER

  1. GATEWAY ECU (See page )

Audio And Visual System -- Terminals Of Ecu



RADIO RECEIVER
*1: with Navigation System
*2: for CD Changer Models
*3: for DVD Changer Models
*4: without Navigation System

Lexus Is250, Is220D. Gse20 Ale20.Audio Visual.Audio And Visual System.Audio And Visual System Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
B (J66-1) - GND (J66-20)
G - W-B
Battery
Always
10 to 14 V
ILL+ (J66-2) - GND (J66-20)
G - W-B
Illumination signal
Light control switch OFF
Below 1 V
ILL+ (J66-2) - GND (J66-20)
G - W-B
Illumination signal
Light control switch TAIL
10 to 14 V
ATX+ (J66-5) - GND (J66-20)
V - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
MUTE (J66-7) - GND (J66-20)
BR - W-B
Mute signal
Audio system is playing
Above 3.5 V
MUTE (J66-7) - GND (J66-20)
BR - W-B
Mute signal
Audio system is changing
Below 1 V
R+ (J66-8) - GND (J66-20)
R - W-B
Sound signal (Right)
Audio system is playing
A waveform synchronized with sounds is output
L+ (J66-9) - GND (J66-20)
B - W-B
Sound signal (Left)
Audio system is playing
A waveform synchronized with sounds is output
SLD (J66-10) - Body ground
Shielded - Body ground
Shielded ground
Always
Below 1 V
ACC (J66-11) - GND (J66-20)
O - W-B
Accessory (ON)
Turn engine switch off
Below 1 V
ACC (J66-11) - GND (J66-20)
O - W-B
Accessory (ON)
Turn engine switch on (ACC)
10 to 14 V
ILL- (J66-12) - GND (J66-20)
W - W-B
Illumination signal
Light control switch OFF
Below 1 V
ILL- (J66-12) - GND (J66-20)
W - W-B
Illumination signal
Light control switch TAIL
10 to 14 V
ANT (J66-13) - GND (J66-20)
Y - W-B
Power source of antenna
Radio switch ON and AM or FM
10 to 14 V
ATX- (J66-15) - GND (J66-20)
P - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
R- (J66-18) - GND (J66-20)
G - W-B
Sound signal (Right)
Audio system is playing
A waveform synchronized with sounds is output
L- (J66-19) - GND (J66-20)
W - W-B
Sound signal (Left)
Audio system is playing
A waveform synchronized with sounds is output
GND (J66-20) - Body ground
W-B - Body ground
Ground
Always
Below 1 V
CMP+ (J63-4) - CMP- (J63-5) (*1)
B - W
RDS-TMC signal
RDS-TMC function is ON
Pulse generation
(100 mVrms +-5dB)
SWG (J63-6) - GND (J66-20)
GR - W-B
Steering pad switch ground
Always
Below 1 V
SW1 (J63-7) - GND (J66-20)
SB - W-B
Steering pad switch signal
Steering pad switch not operated
4 V or more
SW1 (J63-7) - GND (J66-20)
SB - W-B
Steering pad switch signal
SEEK+ switch pushed
Approx. 0.5 V
SW1 (J63-7) - GND (J66-20)
SB - W-B
Steering pad switch signal
SEEK- switch pushed
Approx. 0.9 V
SW1 (J63-7) - GND (J66-20)
SB - W-B
Steering pad switch signal
VOL+ switch pushed
Approx. 2.0 V
SW1 (J63-7) - GND (J66-20)
SB - W-B
Steering pad switch signal
VOL- switch pushed
Approx. 3.4 V
SW2 (J63-8) - GND (J66-20)
L - W-B
Steering pad switch signal
Steering pad switch not operated
4 V or more
SW2 (J63-8) - GND (J66-20)
L - W-B
Steering pad switch signal
MODE switch pushed
Approx. 0.5 V
SW2 (J63-8) - GND (J66-20) (*1)
L - W-B
Steering pad switch signal
ON HOOK switch pushed
Approx. 0.9 V
SW2 (J63-8) - GND (J66-20) (*1)
L - W-B
Steering pad switch signal
OFF HOOK switch pushed
Approx. 2.0 V
SW2 (J63-8) - GND (J66-20) (*1)
L - W-B
Steering pad switch signal
VOICE switch pushed
Approx. 3.4 V
TX+ (J63-9) - GND (J66-20) (*4)
SB - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX- (J63-10) - GND (J66-20) (*4)
O - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX+ (J63-9) - GND (J66-20) (*1)
P - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX- (J63-10) - GND (J66-20) (*1)
LG - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
ARI (J63-15) - GND (J66-20) (*2)
R - W-B
Sound signal (Right)
External device is playing (When stereo jack adapter is used)
A waveform synchronized with sounds is output
ASGN (J63-16) - GND (J66-20) (*2)
B - W-B
Ground
Always
Below 1 V
ALI (J63-17) - GND (J66-20) (*2)
G - W-B
Sound signal (Left)
External device is playing (When stereo jack adapter is used)
A waveform synchronized with sounds is output
AUXI (J63-19) - GND (J66-20) (*2)
L - W-B
External device connection detection signal
External device is connected
Below 1 V
ARI (J61-2) - GND (J66-20) (*3)
R - W-B
Sound signal (Right)
External device is playing (When stereo jack adapter is used)
A waveform synchronized with sounds is output
ASGN (J61-5) - GND (J66-20) (*3)
B - W-B
Ground
Always
Below 1 V
ALI (J61-3) - GND (J66-20) (*3)
G - W-B
Sound signal (Left)
External device is playing (When stereo jack adapter is used)
A waveform synchronized with sounds is output
AUXI (J61-6) - GND (J66-20) (*3)
L - W-B
External device connection detection signal
External device is connected
Below 1 V
NTSC (J62-1) - GND (J66-20) (*1, *3)
R - W-B
DVD image signal
DVD played on multi-display
Pulse generation
Refer to waveform 1
GND (J62-2) - Body ground (*1, *3)
G - Body ground
Ground
Always
Below 1 V
SLD (J62-3) - Body ground (*1, *3)
Shielded - Body ground
Shielded - Body ground
Always
Below 1 V
TXM+ (J65-9) - GND (J66-20) (*4)
BR - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TXM- (J65-10) - GND (J66-20) (*4)
R - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
DVD (s1-1) - GND (J66-20) (*3)
B - W-B
Digital sound signal
DVD played on multi-display
Pulse generation


    Lexus Is250, Is220D. Gse20 Ale20.Audio Visual.Audio And Visual System.Audio And Visual System Terminals Of Ecu

  1. Reference: waveform 1

    HINT:
    1. Terminal: NTSC - Body ground
    2. Setting: 200 mV/DIV, 10 μs/DIV
    3. Condition: DVD display is ON.

INTEGRATION CONTROL & PANEL ASSEMBLY (WITHOUT NAVIGATION SYSTEM)

Lexus Is250, Is220D. Gse20 Ale20.Audio Visual.Audio And Visual System.Audio And Visual System Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
TX- (J54-1) - E (J54-8)
R - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX+ (J54-2) - E (J54-8)
BR - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
IG+ (J54-4) - E (J54-8)
B - W-B
Ignition switch (ON)
Turn engine switch on (IG)
10 to 14 V
IG+ (J54-4) - E (J54-8)
B - W-B
Ignition switch (OFF)
Turn engine switch off
Below 1 V
ACC (J54-5) - E (J54-8)
O - W-B
Accessory (OFF)
Turn engine switch off
Below 1 V
ACC (J54-5) - E (J54-8)
O - W-B
Accessory (ON)
Turn engine switch on (ACC)
10 to 14 V
E (J54-8) - Body ground
W-B - Body ground
Ground
Always
Below 1 V
B (J54-14) - E (J54-8)
LG - W-B
Battery
Always
10 to 14 V

STEREO COMPONENT AMPLIFIER
*1: without Front Center Speaker
*2: with Front Center Speaker
*3: with Navigation System
*4: for DVD Changer Models

Lexus Is250, Is220D. Gse20 Ale20.Audio Visual.Audio And Visual System.Audio And Visual System Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
+B (P27-1) - GND (P27-2)
R - W-B
Battery
Always
10 to 14 V
GND (P27-2) - Body ground
W-B - Body ground
Ground
Always
Below 1 V
+B2 (P27-3) - GND (P27-2)
O - W-B
Battery
Always
10 to 14 V
GND2 (P27-6) - Body ground
W-B - Body ground
Ground
Always
Below 1 V
WF1+ (P28-1) - GND (P27-2)
BR - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
WF2+ (P28-2) - GND (P27-2) (*1)
P - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
SR+ (P28-2) - GND (P27-2) (*2)
SB - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
MR+ (P28-3) - GND (P27-2) (*1)
SB - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
CTR+ (P28-3) - GND (P27-2) (*2)
Y - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
WFL+ (P28-4) - GND (P27-2)
W - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
WF1- (P28-5) - GND (P27-2)
LG - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
WF2- (P28-6) - GND (P27-2) (*1)
SB - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
SR- (P28-6) - GND (P27-2) (*2)
R - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
ML- (P28-7) - GND (P27-2) (*1)
L - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
SL- (P28-7) - GND (P27-2) (*2)
L - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
ML+ (P28-8) - GND (P27-2) (*1)
LG - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
SL+ (P28-8) - GND (P27-2) (*2)
LG - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
MR- (P28-9) - GND (P27-2) (*1)
R - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
CTR- (P28-9) - GND (P27-2) (*2)
B - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
WFL- (P28-10) - GND (P27-2)
R - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
WFR+ (P29-1) - GND (P27-2)
BR - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
FL+ (P29-2) - GND (P27-2)
SB - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
RL+ (P29-3) - GND (P27-2)
P - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
RR+ (P29-4) - GND (P27-2)
R - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
WFR- (P29-5) - GND (P27-2)
P - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
FL- (P29-6) - GND (P27-2)
O - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
FR- (P29-7) - GND (P27-2)
GR - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
FR+ (P29-8) - GND (P27-2)
B - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
RL- (P29-9) - GND (P27-2)
V - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
RR- (P29-10) - GND (P27-2)
W - W-B
Sound signal
Audio system is playing
A waveform synchronized with sounds is output
MUTE (P30-1) - GND (P27-2)
SB - W-B
Mute signal
Audio system is playing
Above 3.5 V
MUTE (P30-1) - GND (P27-2)
SB - W-B
Mute signal
Audio system is changing
Below 1 V
L- (P30-2) - GND (P27-2)
W - W-B
Sound signal (Left)
Audio system is playing
A waveform synchronized with sounds is output
L+ (P30-3) - GND (P27-2)
B - W-B
Sound signal (Left)
Audio system is playing
A waveform synchronized with sounds is output
R- (P30-4) - GND (P27-2)
G - W-B
Sound signal (Right)
Audio system is playing
A waveform synchronized with sounds is output
R+ (P30-5) - GND (P27-2)
R - W-B
Sound signal (Right)
Audio system is playing
A waveform synchronized with sounds is output
SLD (P30-6) - Body ground
Shielded - Body ground
Shielded ground
Always
Below 1 V
TX- (P30-7) - GND (P27-2)
V - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX+ (P30-8) - GND (P27-2)
O - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
SPD (P30-11) - GND (P27-2)
L - W-B
Speed signal
Turn engine switch on (IG), drive wheels are turned slowly
Pulse generation
ACC (P30-12) - GND (P27-2)
O - W-B
Accessory (ON)
Turn engine switch off
Below 1 V
ACC (P30-12) - GND (P27-2)
O - W-B
Accessory (ON)
Turn engine switch on (ACC)
10 to 14 V
II1- (P30-14) - GND (P27-2) (*3)
BR - W-B
Voice guidance signal
Voice guidance is provided
A waveform synchronized with sounds is output
II1+ (P30-15) - GND (P27-2) (*3)
Y - W-B
Voice guidance signal
Voice guidance is provided
A waveform synchronized with sounds is output
DVD (t1-1) - GND (P27-2) (*4)
B - W-B
Digital sound signal
DVD played on multi-display
Pulse generation

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