NAVIGATION SYSTEM > TERMINALS OF ECU

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MULTI-DISPLAY:

I045173E02


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
GND (M4-3 ) - Body ground
W-B - Body ground
Ground
Always
Below 1 V
MCI+ (M4-4) - GND (M4-3)
G - W-B
Microphone voice signal
See "microphone check" (Click here)
-
MCI- (M4-5) - Body ground
R - Body ground
Microphone voice signal
See "microphone check" (Click here)
-
MACC (M4-6) - GND (M4-3)
Y - W-B
Microphone AMP power supply
Turn ignition switch OFF → ON
Below 1 V → 5 V
TX+ (M4-13) - GND (M4-3)
P - W-B
 AVC-LAN communication signal
Turn ignition switch to ACC
2 to 3 V
TX- (M4-14) - GND (M4-3)
L - W-B
AVC-LAN communication signal
Turn ignition switch to ACC
2 to 3 V
SGND (M4-17) - Body ground
Shielded - Body ground
Shielded ground
Always
Below 1 V
MCO+ (M4-18) - GND (M4-3)
BR - W-B
Microphone voice signal
See "microphone check" (Click here)
-
MCO- (M4-19) - GND (M4-3)
Y - W-B
Microphone voice signal
See "microphone check" (Click here)
-
SLD (M4-20) - Body ground
Shielded - Body ground
Shielded ground
Always
 Below 1 V
VOI+ (M4-21) - GND (M4-3)
R - W-B
Telephone voice signal (bluetooth)
See "microphone check" (Click here)
-
IVO- (M4-22) - GND (M4-3)
G - W-B
Telephone voice signal (bluetooth)
See "microphone check" (Click here)
-
VR (M4-23) - GND (M4-3)
Y - W-B
Video return signal
Turn ignition switch OFF
Below 1 V
R (M4-24) - GND (M4-3)
L - W-B
Display signal (red)
 Navigation display is on
-
G (M4-25) - GND (M4-3)
W - W-B
Display signal (green)
Navigation display is on
-
B (M4-26) - GND (M4-3)
R - W-B
Display signal (blue)
Navigation display is on
-
SYNC (M4-27) - GND (M4-3)
BR - W-B
Display signal (synchronize)
Navigation display is on
-
VG (M4-28) - GND (M4-3)
B-W - W-B
Shielded ground
Always
Below 1 V
ILL+ (M1-1) - GND (M4-3)
G - W-B
Illumination signal
Turn ignition switch OFF → ON
Below 1 V → 10 to 14 V
ILL- (M1-2) - Body ground
W - Body ground
Illumination signal
Turn ignition switch OFF → ON
Below 1 V → 10 to 14 V
GND (M1-3) - Body ground
W-B - Body ground
Ground
Always
Below 1 V
TX1+ (M1-4) - GND (M4-3)
Y - W-B
AVC-LAN communication signal
Turn ignition switch to ACC
2 to 3 V
TX1- (M1-5) - GND (M4-3)
BR - W-B
AVC-LAN communication signal
Turn ignition switch to ACC
2 to 3 V
TC (M1-7) - GND (M4-3)
P - W-B
Diagnosis ON signal
Turn ignition switch to ON
 9 to 14 V
F (M1-8) - GND (M4-3)
V - W-B
Hazard signal
Turn hazard switch OFF → ON
Below 1 V → 10 to 14 V or below 1 V
IG (M1-10) - GND (M4-3)
LG - W-B
Ignition (ON)
Turn ignition switch OFF → ON
Below 1 V → 10 to 14 V
ACC (M1-11) - GND (M4-3)
GR - W-B
Accessory (ON)
Turn ignition switch OFF → ACC or ON
Below 1 V → 10 to 14 V
+B1 (M1-12) - GND (M4-3)
G - W-B
Battery
Always
10 to 14 V
PKB (M1-16) - GND (M4-3)
W - W-B
Parking brake signal
Turn parking brake switch ON → OFF
Below 1 V → 10 to 14 V
ADIM (M1-17) - GND (M4-3)
SB - W-B
Illumination (auto dimmer) signal
 Ignition switch ON, light control switch TAIL or ON and automatic light control sensor covered by hand
Above 9 V
TX3+ (M1-18) - GND (M4-3)
R - W-B
AVC-LAN communication signal
Turn ignition switch to ON
2 to 3 V
TX3- (M1-19) - GND (M4-3)
B - W-B
AVC-LAN communication signal
Turn ignition switch to ON
2 to 3 V
PBEW (M1-21) - GND (M4-3)
O - W-B
Passenger (front) seat belt warning signal
Turn ignition switch to ON, front passenger seat and front seat buckle switch ON (Belt unfastened) → OFF (Belt fastened)
10 to 14 V → Below 1 V
SPD (M1-25) - GND (M4-3)
SB - W-B
Speed signal from combination meter
See "Vehicle Signal Check Mode" (Click here)
-
HSY (M2-1) - GND (M1-3)
P - W-B
Theft deterrent indicator signal
Insert ignition key → Remove key from ignition key cylinder
Below 1 V → Pulse generation
ILL- (M2-5) - Body ground
W - Body ground
Illumination signal
Turn ignition switch OFF → ON
Below 1 V → 10 to 14 V

NAVIGATION ECU:
*1: LHD
*2: RHD

I039087E02


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
VR (N3-1) - GND1 (N4-17)
Y - W-B
Video return signal
Turn ignition switch OFF
Below 1 V
R (N3-2) - GND1 (N4-17)
G - W-B
Display signal (red)
Navigation display is on
-
B (N3-3) - GND1 (N4-17)
R - W-B
Display signal (blue)
Navigation display is on
-
TX+ (N3-5) - GND1 (N4-17)
R - W-B
AVC-LAN communication signal
Turn ignition switch to ACC
2 to 3 V
VG (N3-6) - Body ground
Shielded - Body ground
Shielded ground
Always
Below 1 V
G (N3-7) - GND1 (N4-17)
W - W-B
Display signal (green)
Navigation display is on
-
SYNC (N3-8) - GND1 (N4-17)
B - W-B
Display signal (synchronize)
Navigation display is on
-
TX- (N3-10) - GND1 (N4-17)
Y - W-B
AVC-LAN communication signal
Turn ignition switch to ACC
2 to 3 V
AUI+ (N4-1) - GND1 (N4-17)
Y - W-B
Sound signal (input)
Audio system is playing
-
AUO+ (N4-2) - GND1 (N4-17) (*1)
BR - W-B
Sound signal (output)
Audio system is playing
-
AUO+ (N4-2) - GND1 (N4-17) (*2)
B - W-B
Sound signal (output)
Audio system is playing
-
SPD (N4-5) - GND1 (N4-17)
 SB - W-B
Speed signal from combination meter
See "Vehicle Sensors" mode (Click here)
-
CMP- (N4-6) - GND1 (N4-17)
Y - W-B
RDS-TMC signal (input)
See "RDS-TMC Information" (Click here)
-
CMP+ (N4-7) - GND1 (N4-17)
BR - W-B
RDS-TMC signal (input)
See "RDS-TMC Information" (Click here)
-
+B (N4-9) - GND1 (N4-17)
L - W-B
Battery
Always
10 to 14 V
AUI- (N4-10) - GND1 (N4-17)
 LG - W-B
Sound signal (input)
Audio system is playing
-
AUO- (N4-11) - GND1 (N4-17) (*1)
R-Y - W-B
Sound signal (output)
Audio system is playing
-
AUO- (N4-11) - GND1 (N4-17) (*2)
Y - W-B
Sound signal (output)
Audio system is playing
-
VOI+ (N4-12) - GND1 (N4-17)
R - W-B
Telephone voice signal (bluetooth)
See "microphone check" (Click here)
-
VOI- (N4-13) - GND1 (N4-17)
G - W-B
Telephone voice signal (bluetooth)
See "microphone check" (Click here)
-
REV (N4-14) - GND1 (N4-17)
R - W-B
Reverse signal from combination meter
See "Vehicle Sensors" mode (Click here)
-
MUT2 (N4-15) - GND1 (N4-17)
V - W-B
Mute signal
Audio system is playing → Changing
 Above 3.5 V → Below 1 V
RSG (N4-16) - Body ground
Shielded - Body ground
Shielded ground
 Always
Below 1 V
GND1 (N4-17) - Body ground
W-B - Body ground
Ground
 Always
Below 1 V
ACC (N4-18) - GND1 (N4-17)
P - W-B
Accessory (ON)
Turn ignition switch OFF → ACC or ON
Below 1 V → 10 to 14 V
MIC+ (N7-3) - GND1 (N4-17)
BR - W-B
Microphone voice signal
See "microphone check" (Click here)
-
MIC- (N7-5) - GND1 (N4-17)
 Y - W-B
Microphone voice signal
See "microphone check" (Click here)
-
SNSE (N7-7) - Body ground
W-B - Body ground
Microphone connection detection signal
Always
Below 1 V

NETWORK GATEWAY ECU:

E072244E03


Symbols (Terminal No.)
Wiring Color
Terminal Description
Condition
Specification
IG (G1-1) - GND (G1-24)
Y - W-B
Ignition (ON)
Turn ignition switch OFF → ON
Below 1 V → 10 to 14 V
GTX+ (G1-6) - GND (G1-24)
R - W-B
AVC-LAN communication signal
Turn ignition switch to ACC
2 to 3 V
BATT (G1-10) - GND (G1-24)
SB - W-B
Battery
Always
10 to 14 V
ACC (G1-2) - GND (G1-24)
L - W-B
Accessory (ON)
Turn ignition switch OFF → ACC or ON
Below 1 V → 10 to 14 V
GTX- (G1-21) - GND (G1-24)
B - W-B
AVC-LAN communication signal
Turn ignition switch to ACC
2 to 3 V
GND (G1-24) - Body ground
W-B - Body ground
Ground
Always
Below 1 V

HINT:
When trouble occurs in the network gateway ECU, the following symptoms are also confirmed simultaneously.
  1. "Outside temperature" is not indicated on the multi-display.
  2. "Vehicle information" is not indicated on the multi-display.
  3. Unable to operate the air conditioner system.


RADIO RECEIVER (Click here)

STEREO COMPONENT AMPLIFIER (Click here)

TELEVISION CAMERA ECU (Click here)