|
Terminal Number
|
Wire Color
|
Terminal Name
|
Description
|
Voltage (about)
|
Symptom
|
|---|---|---|---|---|---|
|
1
|
WHT
|
+B BACK UP (+B power source)
|
Continuous power source
|
Battery voltage
|
If open: Screen completely off (no backlight visible).
If short to ground: Blows fuse No. 16 (15 A) in the under-hood fuse/relay box.
|
|
2
|
PUR
|
ACC RADIO (Accessory)
|
Power source for accessory
|
Battery voltage at ACC (I)
|
If open: Display and buttons do not work.
If short to ground: Blows fuse No. 35 (7.5 A) in the under-dash fuse/relay box.
|
|
3
|
BLU
|
ECU BUS (+) (GA-NET)
|
Data bus (+) GA-Net
|
0−5 V pulses average 2.5 V depends on bus traffic
|
If open: Navigation buttons do not work.
If short to ground: Navigation buttons do not work.
|
|
4
|
BRN
|
BUS (GA-NET) SHIELD GND
|
Shield for terminal No. 3, 13
|
0 V
|
If open: No change to display.
If short to ground: No change to display.
|
|
5
|
GRN
|
ECU BUS (+) (GA-NET) (Display bus positive)
|
Data bus (+) GA-Net
|
0−5 V pulses average 2.5 V depends on bus traffic
|
If open: Navigation buttons do not work.
If short to ground: Navigation buttons do not work.
|
|
6
|
GRN
|
SCTY RADIO
|
Security signal to rear screen
|
0 V
|
If open: If security system set, it will not trip when screen is removed.
If short to ground: The security system set, it will not trip when screen is removed.
|
|
8
|
WHT
|
R SIG (Red signal)
|
Red color signal
|
0−1 V AC
|
If open: Red color missing (see ‘‘RGB Color'' diagnostic).
If short to ground: Red color missing (see ‘‘RGB Color'' diagnostic).
|
|
9
|
RED
|
G SIG (Green signal)
|
Green color signal
|
0−1 V AC
|
If open: Green color missing (see ‘‘RGB Color'' diagnostic).
If short to ground: Green color missing (see ‘‘RGB Color'' diagnostic).
|
|
10
|
BLK
|
GND (Ground)
|
Ground for display unit
|
0 V
|
If open: No change to display.
If short to ground: No change to display.
|
|
Terminal Number
|
Wire Color
|
Terminal Name
|
Description
|
Voltage (about)
|
Symptom
|
|---|---|---|---|---|---|
|
11
|
GRY
|
ILL (+) (Illumination positive)
|
Parking light on signal from dash and console lights
|
Battery voltage if lights on: otherwise 0 V
|
If open: When brightness = ‘‘Auto'', night mode for the display is inoperative when lights on.
If short to ground: Blows fuse No. 14 (7.5 A) in passenger's under-dash fuse/relay box.
|
|
13
|
PNK
|
ECU BUS (−) (GA-NET)
|
Data bus (−) GA-Net
|
0−5 V pulses average 2.5 V depends on bus traffic
|
If open: Navigation buttons do not work.
If short to ground: Navigation hard touch buttons work OK.
|
|
14
|
LT GRN
|
ECU BUS (GA-NET) SHIELD GND (Shield display bus)
|
Shield for display bus terminal No. 5, 15
|
0 V
|
If open: No change to display.
If short to ground: No change to display.
|
|
15
|
RED
|
ECU BUS (−) (GA-NET) (Display bus negative)
|
Data bus (−) GA-Net
|
0−5 V pulses average 2.5 V depends on bus traffic
|
If open: Navigation buttons do not work.
If short to ground: Navigation hard touch buttons work OK.
|
|
16
|
BRN
|
NAVI SCTY
|
Security signal from CD changer
|
0 V
|
If open: The security system set, it will not trip when screen is removed.
If short to ground: If security system set, it will not trip when screen is removed.
|
|
17
|
GRN
|
GND SIG (Ground signal)
|
Ground for color signal
|
0 V
|
If open: No change to display.
If short to ground: No change to display.
|
|
18
|
YEL
|
B SIG (Blue signal)
|
Blue color signal
|
0−1 V AC
|
If open: Blue color missing (see ‘‘RGB Color'' diagnostic).
If short to ground: Blue color missing (see ‘‘RGB Color'' diagnostic).
|
|
19
|
BLK
|
C SIG (Composite signal)
|
Composite video (vertical/horizontal) synchronizing signal
|
0.3 V AC
|
If open: Picture rolls horizontally, colors still visible.
If short to ground: Picture rolls horizontally, colors still visible.
|
|
20
|
GRY
|
SIG SHIELD GND(Shield signal)
|
Shield for terminal No. 8, 9, 17, 18, 19
|
0 V
|
If open: No change to display.
If short to ground: No change to display.
|