Navigation System Terminals Of Ecu

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Navigation. Lexus Is250, Is220D. Gse20 Ale20
  1. MULTI-DISPLAY

  1. NAVIGATION ECU

  1. GATEWAY ECU

  1. RADIO RECEIVER (See page )

  1. STEREO COMPONENT AMPLIFIER (See page )

  1. TELEVISION CAMERA ECU (See page )

Navigation System -- Terminals Of Ecu



MULTI-DISPLAY
*1: without Parking Assist Monitor System
*2: with Parking Assist Monitor System

Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System  Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
+B1 (J50-1) - GND1 (J50-10)
Y - W-B
Battery
Always
10 to 14 V
ACC (J50-2) - GND1 (J50-10)
O - W-B
Accessory (ON)
Turn engine switch off
Below 1 V
ACC (J50-2) - GND1 (J50-10)
O - W-B
Accessory (ON)
Turn engine switch on (ACC or IG)
10 to 14 V
IG (J50-3) - GND1 (J50-10)
B - W-B
Ignition (ON)
Turn engine switch off
Below 1 V
IG (J50-3) - GND1 (J50-10)
B - W-B
Ignition (ON)
Turn engine switch on (IG)
10 to 14 V
TC (J50-7) - GND1 (J50-10)
V - W-B
Diagnosis ON signal
Turn engine switch on (IG)
9 to 14 V
GND1 (J50-10) - Body ground
W-B - Body ground
Ground
Always
Below 1 V
ILL- (J50-11) - GND1 (J50-10)
W - W-B
Illumination signal
Turn light control switch OFF
Below 1 V
ILL- (J50-11) - GND1 (J50-10)
W - W-B
Illumination signal
Turn light control switch ON
10 to 14 V
ILL+ (J50-12) - GND1 (J50-10)
G - W-B
Illumination signal
Turn light control switch OFF
Below 1 V
ILL+ (J50-12) - GND1 (J50-10)
G - W-B
Illumination signal
Turn light control switch ON
10 to 14 V
REV (J50-13) - GND1 (J50-10)
L - W-B
Reverse signal
See "Vehicle Signal Check" Mode (Click here)
-
SPD (J50-14) - GND1 (J50-10)
P - W-B
Speed signal from combination meter
See "Vehicle Signal Check" Mode (Click here )
-
CMP- (J50-15) - CMP+ (J50-16)
W - B
RDS-TMC signal
RDS-TMC function is ON
Pulse generation
(100 mVrms +- 5dB)
SLD (J50-17) - Body ground
Shielded - Body ground
Shielded ground
Always
Below 1 V
PKB (J50-23) - GND1 (J50-10)
R - W-B
Parking brake signal
See "Vehicle Signal Check" Mode (Click here)
-
TX2- (J51-3) - GND1 (J50-10)
LG - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX2+ (J51-4) - GND1 (J50-10)
P - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TSW- (J51-5) - GND1 (J50-10)
W-B - W-B
Telephone relation switch signal
Always
Below 1 V
MACC (J51-9) - GND1 (J50-10)
V - W-B
Microphone AMP power supply
Turn engine switch off
Below 1 V
MACC (J51-9) - GND1 (J50-10)
V - W-B
Microphone AMP power supply
Turn engine switch on (IG)
5 V
MIN- (J51-10) - GND1 (J50-10)
BR - W-B
Microphone voice signal
See "Microphone & Voice Recognition Check" (Click here)
-
MIN+ (J51-11) - GND1 (J50-10)
Y - W-B
Microphone voice signal
See "Microphone & Voice Recognition Check" (Click here)
-
SGND (J51-12) - GND1 (J50-10)
W-B - W-B
Signal ground
Always
Below 1 V
TX1- (J51-15) - GND1 (J50-10)
R - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX1+ (J51-16) - GND1 (J50-10)
BR - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX3- (J51-17) - GND1 (J50-10)
O - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX3+ (J51-18) - GND1 (J51-10)
SB - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
IVO- (J51-21) - GND1 (J50-10)
BR - W-B
Voice guidance signal
Voice guidance is provided
A waveform synchronized with sounds is output
IVO+ (J51-22) - GND1 (J51-10)
Y - W-B
Voice guidance signal
Voice guidance is provided
A waveform synchronized with sounds is output
SLD (J51-23) - GND1 (J50-10)
Shielded - W-B
Shielded ground
Always
Below 1 V
NTSC (J52-1) - GND1 (J50-10)
R - W-B
DVD image signal
DVD is played on radio receiver
Pulse generation (Refer to waveform 2)
SGD1 (J52-4) - GND1 (J50-10)
G - W-B
Signal ground
Always
Below 1 V
SGND (J52-5) - Body ground
Shielded - Body ground
Shielded ground
Always
Below 1 V
TX4- (p1-1) - GND2 (p1-6)
W-B - B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX4+ (p1-2) - GND2 (p1-6)
W-R - B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
SGND (p1-3) - GND2 (p1-61)
Shielded - B
Shielded ground
Always
Below 1 V
MCO- (p1-4) - GND2 (p1-6)
L - B
Microphone voice signal
See "Microphone & Voice Recognition Check" (Click here)
-
MCO+ (p1-5) - GND2 (p1-6)
R - B
Microphone voice signal
See "Microphone & Voice Recognition Check" (Click here)
-
GND2 (p1-6) - Body ground
B - Body ground
Ground
Always
Below 1 V
ACC2 (p1-7) - GND2 (p1-6)
O - B
Accessory (ON)
Turn engine switch off
Below 1 V
ACC2 (p1-7) - GND2 (p1-6)
O - B
Accessory (ON)
Turn engine switch on (ACC)
10 to 14 V
+B (p1-8) - GND2 (p1-6)
R - B
Battery
Always
10 to 14 V
SI- (p1-10) - GND2 (p1-6)
L - B
Voice guidance signal
Voice guidance is provided
A waveform synchronized with sounds is output
SI+ (p1-11) - GND2 (p1-6)
R - B
Voice guidance signal
Voice guidance is provided
A waveform synchronized with sounds is output
CMO- (p1-12) - CMO+ (p1-13)
L - R
RDS-TMC signal
See "RDS-TMC Information" Mode (Click here)
-
REV2 (p1-15) - GND2 (p1-6)
GR - B
Reverse signal
See "Vehicle Sensors" Mode (Click here)
-
SPD2 (p1-16) - GND2 (p1-6)
W - B
Speed signal
See "Vehicle Sensors" Mode (Click here)
-
GVI+ (q1-1) - GND2 (p1-6) (*1)
-
Digital image signal
Navigation display is on
Pulse generation
GVI- (q1-2) - GND2 (p1-6) (*1)
-
Digital image signal
Navigation display is on
Pulse generation
GVG1 (q1-3) - Body ground (*1)
-
Ground
Always
Below 1 V
GVI+ (w1-1) - GND2 (p1-6) (*2)
-
Digital image signal
Navigation display is on
Pulse generation
GVI- (w1-2) - GND2 (p1-6) (*2)
-
Digital image signal
Navigation display is on
Pulse generation
GVG1 (w1-3) - Body ground (*2)
-
Ground
Always
Below 1 V


    Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System  Terminals Of Ecu
  1. Reference: waveform 1

    HINT:
    1. Terminal: NTSC - Body ground
    2. Gauge set: 200 mV/DIV., 10 μs/DIV.
    3. Condition: DVD is played on multi-display

NAVIGATION ECU

Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System  Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
+B (p2-1) - GND1 (p2-15)
R - B
Battery
Always
10 to 14 V
SPD (p2-4) - GND1 (p2-15)
W - B
Speed signal
See "Vehicle Sensors" Mode (Click here)
-
SLD1 (p2-7) - GND1 (p2-15)
Shielded - B
Shielded ground
Always
Below 1 V
VOI- (p2-8) - GND1 (p2-15)
L - B
Voice guidance signal
Voice guidance is provided
A waveform synchronized with sounds is output
VOI+ (p2-9) - GND1 (p2-15)
R - B
Voice guidance signal
Voice guidance is provided
A waveform synchronized with sounds is output
CMP- (p2-10) - CMP+ (p2-11)
L - R
RDS-TMC signal
See "RDS-TMC Information" Mode (Click here)
-
RSG (p2-12) - GND1 (p2-15)
Shielded - B
Shielded ground
Always
Below 1 V
ACC (p2-13) - GND1 (p2-15)
O - B
Accessory (ON)
Turn engine switch off
Below 1 V
ACC (p2-13) - GND1 (p2-15)
O - B
Accessory (ON)
Turn engine switch on (ACC)
10 to 14 V
GND1 (p2-15) - Body ground
B - Body ground
Ground
Always
Below 1 V
TX- (p2-18) - GND1 (p2-15)
W-B - B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
TX+ (p2-19) - GND1 (p2-15)
W-R - B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
REV (p2-20) - GND1 (p2-15)
GR - B
Reverse signal
See "Vehicle Sensors" Mode (Click here)
-
MIC+ (p3-3) - GND1 (p2-15)
R - B
Microphone voice signal
See "Microphone & Voice Recognition Check" (Click here)
-
MIC- (p3-5) - GND1 (p2-15)
L - B
Microphone voice signal
See "Microphone & Voice Recognition Check" (Click here)
-
GVI+ (q1-1) - GND2 (p1-6)
-
Digital image signal
Navigation display is on
Pulse generation
GVI- (q1-2) - GND2 (p1-6)
-
Digital image signal
Navigation display is on
Pulse generation
GVG1 (q1-3) - Body ground
-
Ground
Always
Below 1 V

GATEWAY ECU

Lexus Is250, Is220D. Gse20 Ale20.Navigation.Navigation System.Navigation System  Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
IG (J76-1) - GND (J76-24)
B - W-B
Ignition (ON)
Turn engine switch off
Below 1 V
IG (J76-1) - GND (J76-24)
B - W-B
Ignition (ON)
Turn engine switch on (IG)
10 to 14 V
ACC (J76-2) - GND (J76-24)
O - W-B
Accessory (ON)
Turn engine switch off
Below 1 V
ACC (J76-2) - GND (J76-24)
O - W-B
Accessory (ON)
Turn engine switch on (ACC)
10 to 14 V
GTX- (J76-21) - GND (J76-24)
O - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
GTX+ (J76-6) - GND (J76-24)
SB - W-B
AVC-LAN communication signal
Turn engine switch on (ACC)
2 to 3 V
BATT (J76-10) - GND (J76-24)
LG - W-B
Battery
Always
10 to 14 V
GND (J76-24) - Body ground
W-B - Body ground
Ground
Always
Below 1 V

RADIO RECEIVER (Click here)

STEREO COMPONENT AMPLIFIER (Click here)

TELEVISION CAMERA ECU (Click here)