Honda ACCORD HYBRID 2005 Service Manual page 2062

Navigation System
S y s t e m D e s c r i p t i o n ( c o n t ' d )
Terminal
Number
Wire Color Terminal Name Description Voltage (about)
Symptom
11 YEL BSIG
(Blue signal)
Blue color signal 0 - 1 V A C If open: Blue color missing (see "RGB Color"
diagnostic).
If shortto ground: Blue color missing (see "RGB
Color" diagnostic).
12 GRN CSIG
(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.
13
BLK GND SIG
(Ground siqnal)
Ground for color
signal
0 V If open: No change to display.
If short to ground: No change to display.
18 BLK CAN-L F-CAN bus Pulses 2 . 5 - 6 V
If open:
(CAN low) communication
with the "gauge
control module"
average 3 V
1) System Links FI-ECU, and Meter both show " N G . "
2) F-CAN diagnostic="NG."
3) B-CAN diagnostic="NG."
4) Car status CHG (CAN)=0.
5) Functional Setup, Trip into, FUP & Sampled FL=0.
If short to ground: Same diagnostic conditions as
when open, and also sets the following DTCs.
• B1168 Gauge Control Module loss of Comm.
(Engine)
• B1169 Gauge Control Module loss of Comm.
(A/T)
• B1178 F-CAN communication Circuit error.
• U0073 (F-CAN Bus off)
• U0155 (F-CAN Gauge control)
• U0121 (F-CAN TCS control)
20
PNK DISPBUS ( - )
(Display bus
negative)
Data bus (—)
GA-Net
0 V—5 V pulses
nominally 2.5 V
If open: Navigation buttons and touch screen do not
work.
If short to ground: Hard and touch buttons work OK.
23-96