G-BOOK SYSTEM(w/ Telematics Transceiver) TERMINALS OF ECU
CHECK TELEMATICS TRANSCEIVER
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
G56-1 (+B) - G56-4 (E)
SB - W-B
Battery
Engine switch off
11 to 14 V
G56-2 (SPI+) - G56-4 (E)
R - W-B
Sound signal
Audio system playing
Waveform synchronized with sound is output
G56-3 (SPI-) - G56-4 (E)
W - W-B
Sound signal
Audio system playing
Waveform synchronized with sound is output
G56-4 (E) - Body ground
W-B - Body ground
Ground
Always
Below 1 V
G56-5 (SPO+) - G56-4 (E)
LG - W-B
Sound signal
Emergency call mode
Waveform synchronized with received voice is output
G56-6 (SPO-) - G56-4 (E)
L - W-B
Sound signal
Emergency call mode
Waveform synchronized with received voice is output
G56-7 (IG2) - G56-4 (E)
W - W-B
Power source (IG)
Engine switch on (IG)
11 to 14 V
Engine switch off
Below 1 V
G56-8 (ACC) - G56-4 (E)
GR - W-B
Power source (ACC)
Engine switch on (ACC)
11 to 14 V
Engine switch off
Below 1 V
G56-11 (IND1) - G56-4 (E)
P - W-B
Emergency call switch red indicator illumination signal
For 5 seconds after turning the engine switch on (ACC)
1 to 8.5 V
Engine switch off
Below 1 V
G56-12 (IND2) - G56-4 (E)
L - W-B
Emergency call switch green indicator illumination signal
For 5 seconds after turning the engine switch on (ACC)
1 to 8.5 V
Engine switch off
Below 1 V
G56-13 (BBI-) - G56-4 (E)
L - W-B
Mayday battery power supply
-
-
G56-17 (MUTE) - G56-4 (E)
P - W-B
Mute signal
Audio system playing
Below 1 V
Emergency call mode
3.5 V or higher
G56-18 (MCO+) - G56-4 (E)
B - W-B
Microphone voice signal
See "Microphone&Voice Recognition Check" (Click hereClick hereClick here)
-
G56-19 (MCO-) - G56-4 (E)
W - W-B
Microphone voice signal
See "Microphone&Voice Recognition Check" (Click hereClick hereClick here)
-
G56-20 (CTR1) - G56-4 (E)
V - W-B
Mayday battery control line
-
-
G56-21 (CTR2) - G56-4 (E)
GR - W-B
Mayday battery control line
-
-
G56-24 (GSW) - G56-4 (E)
B - W-B
Airbag deployment signal
Engine switch on (IG)
Pulse generation
(Refer to waveform 1)
G56-26 (SIG-) - G56-4 (E)
LG - W-B
Ground
Always
Below 1 V
G56-27 (SIG1) - G56-26 (SIG-)
B - LG
Emergency call switch button condition signal
Emergency call switch button not pressed
1.7 V
Emergency call switch button pressed
0.7 V
G56-30 (BBI+) - G56-4 (E)
G - W-B
Mayday battery power supply
-
-
G56-32 (SGND) - Body ground
Shielded - Body ground
Shield ground
Always
Below 1 V
G56-33 (MCVD) - G56-4 (E)
R - W-B
Telephone microphone assembly power supply
Engine switch on (ACC)
5 V
Engine switch off
Below 1 V
G56-34 (MCI+) - G56-4 (E)
B - W-B
Microphone voice signal
See "Microphone&Voice Recognition Check" (Click hereClick hereClick here)
-
G56-35 (MCI-) - G56-4 (E)
W - W-B
Microphone voice signal
See "Microphone&Voice Recognition Check" (Click hereClick hereClick here)
-
H36 - 1-1 (USB-)
B
USB communication line
-
-
H36 - 1-2 (USB+)
B
USB communication line
-
-
H36 - 1-3 (USBS)
B
USB communication line
-
-
H36-2 (USBG) - Body ground
W - Body ground
Shield ground
Always
Below 1 V
H36-3 (VOT+) - H36-2 (USBG)
B - W
Received voice signal
Receiving a call using the operator service
Waveform synchronized with received voice is output
H36-4 (USBV) - H36-2 (USBG)
W - W
Telephone microphone assembly power supply
Engine switch on (ACC)
5 V
Engine switch off
Below 1 V
H36-5 (VOT-) - H36-2 (USBG)
B - W
Received voice signal
Receiving a call using the operator service
Waveform synchronized with received voice is output
H36-6 (VOR-) - H36-2 (USBG)
B - W
Sent voice signal
Calling using the operator service
Waveform synchronized with sent voice is output
H36-7 (VOR+) - H36-2 (USBG)
B - W
Sent voice signal
Calling using the operator service
Waveform synchronized with sent voice is output
Reference (Oscilloscope waveform):
-
Waveform 1
Table 1. Measurement Condition Item
Condition
Tester Connection
G56-24 (GSW) - G56-4 (E)
Tool Setting
5.0 V/DIV., 20 ms/DIV.
Vehicle Condition
Engine switch on (IG)
-
CHECK DISPLAY AND NAVIGATION MODULE DISPLAY (w/ Navigation System [for HDD]) (Click hereClick hereClick here)