Navigation System Terminals Of Ecu

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Navigation. Lexus Gs430, Gs300. Uzs190 Grs190
  1. CHECK MULTI-DISPLAY ASSEMBLY

  1. CHECK NAVIGATION ECU

  1. CHECK RADIO RECEIVER ASSEMBLY

  1. CHECK STEREO COMPONENT AMPLIFIER

  1. CHECK TELEVISION CAMERA ECU

  1. CHECK GATEWAY ECU

Navigation System -- Terminals Of Ecu



CHECK MULTI-DISPLAY ASSEMBLY

Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
+B1 (L46-1) - GND1 (L46-10)
O - W-B
Battery
Always
10 to 14 V
ACC (L46-2) - GND1 (L46-10)
GR - W-B
Accessory (ON)
Engine switch off
Below 1 V
Engine switch on (ACC) or on (IG)
10 to 14 V
IG (L46-3) - GND1 (L46-10)
B - W-B
Ignition (ON)
Engine switch off
Below 1 V
Engine switch on (IG)
10 to 14 V
TC (L46-7) - GND1 (L46-10)
BR - W-B
Diagnosis ON signal
Engine switch on (IG)
9 to 14 V
GND1 (L46-10) - Body ground
W-B - Body ground
Ground
Always
Below 1 Ω
ILL- (L46-11) - Body ground
L - Body ground
Illumination (rheostat) signal
Light control switch off
Below 1 V
Light control switch on
10 to 14 V
ILL+ (L46-12) - GND1 (L46-10)
G - W-B
Illumination (rheostat) signal
Light control switch off
Below 1 V
Light control switch on
10 to 14 V
REV (L46-13) - GND1 (L46-10)
R - W-B
Reverse signal
Shift lever position R
10 to 14 V
Shift lever position not on R
Below 1 V
SPD (L46-14) - GND1 (L46-10)
V - W-B
Vehicle speed signal
Turn wheel
Alternating between 9 to 14 V and below 2 V
SLD (L46-17) - Body ground
Shielded - Body ground
Shielded ground
Always
Below 1 Ω
TX2+ (L46-18) - GND1 (L46-10)
P - W-B
AVC-LAN communication signal
Engine switch on (IG)
2 to 3 V
TX2- (L46-19) - GND1 (L46-10)
V - W-B
AVC-LAN communication signal
Engine switch on (IG)
2 to 3 V
PKB (L46-23) - GND1 (L46-10)
Y - W-B
Parking brake signal
Parking brake switch ON
Below 1 V
Parking brake switch OFF
10 to 14 V
TX- (L47-1) - GND1 (L46-10)
LG - W-B
AVC-LAN communication signal
Engine switch on (IG)
2 to 3 V
TX+ (L47-2) - GND1 (L46-10)
L - W-B
AVC-LAN communication signal
Engine switch on (IG)
2 to 3 V
MACC (L47-9) - GND1 (L46-10)
O - W-B
Microphone accessory
Engine switch off
Below 1 V
Engine switch on (IG)
5 V
MIN- (L47-10) - GND1 (L46-10)
R - W-B
Telephone voice signal (Bluetooth)
Always
Below 1 Ω
MIN+ (L47-11) - GND1 (L46-10)
G - W-B
Telephone voice signal (Bluetooth)
Engine switch on (ACC)
5 V
SGND (L47-12) - Body ground
W-B - Body ground
Ground
Always
Below 1 Ω
VG (L47-15) - Body ground
Shielded - Body ground
Shielded ground
Always
Below 1 Ω
SYNC (L47-16) - GND1 (L46-10)
G - W-B
Display signal (synchronize)
Navigation display ON
-
B (L47-17) - GND1 (L46-10)
Y - W-B
Display signal (blue)
Navigation display ON
-
G (L47-18) - GND1 (L46-10)
W - W-B
Display signal (green)
Navigation display ON
-
R (L47-19) - GND1 (L46-10)
B - W-B
Display signal (red)
Navigation display ON
-
VR (L47-20) - GND1 (L46-10)
R - W-B
Video return signal
Always
Below 1 Ω
IVO- (L47-21) - Body ground
BR - Body ground
Microphone voice signal
Always
Below 1 Ω
IVO+ (L47-22) -GND1 (K46-10)
Y - W-B
Microphone voice signal
Sound received by microphone
-
SLD (L47-23) - Body ground
Shielded - Body ground
Shielded ground
Always
Below 1 Ω
SNSE (L47-26) - Body ground
W-B - Body ground
Ground
Always
Below 1 Ω
GND (h1-2) - Body ground
G - Body ground
Ground
Always
Below 1 Ω
IVI- (h1-5) - GND (h1-2)
W - G
Navigation voice signal
Voice guidance ON
Waveform synchronized with voice is output
IVI+ (h1-6) - GND (h1-2)
B - G
Navigation voice signal
Voice guidance ON
Waveform synchronized with voice is output
ISLD (h1-7) - Body ground
Shielded - Body ground
Shield ground
Always
Below 1 Ω
SNSE (h1-8) - Body ground
Y - Body ground
Ground
Always
Below 1 Ω
CSLD (h1-9) - Body ground
Shielded - Body ground
Shield ground
Always
Below 1 Ω
REV (h1-12) - GND (h1-2)
L - G
Reverse signal
Shift lever position R
10 to 14 V
Shift lever position not on R
Below 1 V
SPD (h1-13) - GND (h1-2)
P - G
Vehicle speed signal
Turn wheel
Alternating between 9 to 14 V and below 2 V
ADET (h1-14) - GND (h1-2)
GR - G
Accessory (ON)
Engine switch off
Below 1 V
Engine switch on (ACC) or on (IG)
10 to 14 V
VG (h1-19) - Body ground
Shielded - Body ground
Shield ground
Always
Below 1 Ω
B (h1-20) - GND (h1-2)
Y - G
Display signal (blue)
Navigation display ON
-
G (h1-21) - GND (h1-2)
G - G
Display signal (green)
Navigation display ON
-
R (h1-22) - GND (h1-2)
R - G
Display signal (red)
Navigation display ON
-
VR (h1-23) - GND (h1-2)
B - G
Video return signal
Always
Below 1 Ω
SYNC (h1-24) - GND (h1-2)
W - G
Display signal (synchronize)
Navigation display ON
-
MIC- (h1-26) - GND (h1-2)
W - G
Microphone voice signal
Sounds received by microphone
-
MIC+ (h1-27) - GND (h1-2)
B - W
Microphone voice signal
Sounds received by microphone
-
TX- (h1-29) - GND (h1-2)
W - B
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
TX+ (h1-30) - GND (h1-2)
B - G
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
+B (h1-31) - GND (h1-2)
L - G
Battery
Always
10 to 14 V

CHECK NAVIGATION ECU

Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
GND (h1-2) - Body ground
G - Body ground
Ground
Always
Below 1 Ω
IVI- (h1-5) - GND (h1-2)
W - G
Navigation voice signal
Voice guidance ON
Waveform synchronized with voice is output
IVI+ (h1-6) - GND (h1-2)
B - G
Navigation voice signal
Voice guidance ON
Waveform synchronized with voice is output
ISLD (h1-7) - Body ground
Shielded - Body ground
Shield ground
Always
Below 1 Ω
SNSE (h1-8) - Body ground
Y - Body ground
Ground
Always
Below 1 Ω
CSLD (h1-9) - Body ground
Shielded - Body ground
Shield ground
Always
Below 1 Ω
REV (h1-12) - GND (h1-2)
L - G
Reverse signal
Shift lever position R
10 to 14 V
Shift lever position not on R
Below 1 V
SPD (h1-13) - GND (h1-2)
P - G
Vehicle speed signal
Turn wheel
Alternating between 9 to 14 V and below 2 V
ADET (h1-14) - GND (h1-2)
GR - G
ACC detect
Engine switch off
4 to 6 V
Engine switch on (ACC) or on (IG)
Below 1 V
VG (h1-19) - Body ground
Shielded - Body ground
Shield ground
Always
Below 1 Ω
B (h1-20) - GND (h1-2)
Y - G
Display signal (blue)
Navigation display ON
-
G (h1-21) - GND (h1-2)
G - G
Display signal (green)
Navigation display ON
-
R (h1-22) - GND (h1-2)
R - G
Display signal (red)
Navigation display ON
-
VR (h1-23) - GND (h1-2)
B - G
Video return signal
Always
Below 1 Ω
SYNC (h1-24) - GND (h1-2)
W - G
Display signal (synchronize)
Navigation display ON
-
MIC- (h1-26) - GND (h1-2)
W - G
Microphone voice signal
Sounds received by microphone
-
MIC+ (h1-27) - GND (h1-2)
B - W
Microphone voice signal
Sounds received by microphone
-
TX- (h1-29) - GND (h1-2)
W - B
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
TX+ (h1-30) - GND (h1-2)
B - G
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
+B (h1-31) - GND (h1-2)
L - G
Battery
Always
10 to 14 V

CHECK RADIO RECEIVER ASSEMBLY

Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
TXM+ (L53-9) - GND (L54-20)
L - BR
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
TXM- (L53-10) - GND (L54-20)
LG - BR
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
ATX+ (L54-5) - GND (L54-20)
L - BR
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
ATX- (L54-15) - GND (L54-20)
LG - BR
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
TX+ (L56-9) - GND (L54-20)
L - BR
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
TX- (L56-10) - GND ( L54-20)
LG - BR
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
GND (L54-20) - Body ground
BR - Body ground
Ground
Always
Below 1 Ω

CHECK STEREO COMPONENT AMPLIFIER

Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
TX- (V29-7) - GND (V31-16)
L - W-B
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
TX+ (V29-8) - GND (V31-16)
LG - W-B
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
GND (V31-16) - Body ground
W-B - Body ground
Ground
Always
Below 1 Ω

CHECK TELEVISION CAMERA ECU

Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
TX+ (L64-29) - GND1 (L65-8)
P - W-B
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
TX- (L64-30) - GND1 (L65-8)
V - W-B
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
GND1 (L65-8) - Body ground
W-B - Body ground
Ground
Always
Below 1 Ω

CHECK GATEWAY ECU

Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Terminals Of Ecu


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specified Condition
GTX+ (L66-6) - GND (L66-24)
L - W-B
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
GTX- (L66-21) - GND (L66-24)
LG - W-B
AVC-LAN communication signal
Engine switch on (ACC)
2 to 3 V
GND (L66-24) - Body ground
W-B - Body ground
Ground
Always
Below 1 Ω