Page 625 of 3061
NAVIGATION SYSTEM
AV-85
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
L
MA
B
AV
N
O
P
SchematicINFOID:0000000003533711
WKWA3599E
Page 626 of 3061
AV-86
< SERVICE INFORMATION >
NAVIGATION SYSTEM
Wiring Diagram - COMM -
INFOID:0000000003533712
WKWA3600E
Page 627 of 3061
NAVIGATION SYSTEM
AV-87
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
L
MA
B
AV
N
O
P
WKWA3601E
Page 628 of 3061
AV-88
< SERVICE INFORMATION >
NAVIGATION SYSTEM
WKWA3602E
Page 629 of 3061

NAVIGATION SYSTEM
AV-89
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
L
MA
B
AV
N
O
P
Terminal and Reference Value for NAVI Control UnitINFOID:0000000003533713
Te r m i n a l N o .
(Wire color)
ItemSignal
input/
outputCondition
Vo l ta g e
(Approx.)Example of
symptom
+–Igni-
tion
switchOperation
1 (B) Ground Ground – ON – 0V –
2 (Y) Ground Battery power Input OFF – Battery voltageSystem does not
work properly.
5 (O) Ground ACC signal Input ACC – Battery voltageSystem does not
work properly.
12 (B) 14 (W)Voice guide
signalOutput ONPress the “GUIDE/
VOICE” button.Only route guide
and operation
guide are not
heard.
13 – Shield ground – – – –Audio noise in-
terference.
44 (R) 47RGB signal
(R: red)Output ONSelect “Display Di-
agnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.NAVI screen
looks bluish.
45 (R/W) 47RGB signal
(G: green)Output ONSelect “Display Di-
agnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.NAVI screen
looks reddish.
46 (B) 47RGB signal
(B: blue)Output ONSelect “Display Di-
agnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.NAVI screen
looks yellowish.
47 – Shield ground – – – –Video display in-
terference.
48 (BR) 49RGB syn-
chronizing
signalOutput ONPress the “MAP”
button.NAVI screen is
rolling.
SKIA0171J
SKIA4977E
SKIA4978E
SKIA4979E
SKIA0164E
Page 630 of 3061

AV-90
< SERVICE INFORMATION >
NAVIGATION SYSTEM
49 – Shield ground – – – –Video display in-
terference.
61 (R/L) GroundIllumination
signalInput ONLighting switch in 1st
positionBattery voltageDisplay unit illu-
mination does
not change
when lighting
switch is turned
to 1st position.- Lighting switch is
OFF3V or less
63 (G/R) Ground Ignition signal Input ON – Battery voltageNavigation cur-
rent location
mark does not
indicate the cor-
rect position.
65 (G/W) GroundReverse
signalInput ONA/T selector lever in
R positionBattery voltageThe navigation
current-location
mark moves
strangely when
the vehicle is
moving back-
wards. A/T selector lever
not in R position0V
66 (W/R) GroundVeh icl e
speed signal
(8-pulse)Input ONWhen vehicle speed
is approx. 40 km/h
(25 MPH)Navigation cur-
rent location
mark does not
indicate the cor-
rect position.
68 – Shield ground – – – – –
69 (L) GroundCommunica-
tion signal (+)Input/
outputON –System does not
work properly.
70 (P) GroundCommunica-
tion signal (–)Input/
outputON –System does not
work properly.
73 74 GPS signal Input ONConnector is not
connected.5VNavigation sys-
tem GPS correc-
tion is not
possible. Te r m i n a l N o .
(Wire color)
ItemSignal
input/
outputCondition
Voltag e
(Approx.)Example of
symptom
+–Igni-
tion
switchOperation
PKIA1935E
SKIA0175E
SKIA0176E
Page 631 of 3061

NAVIGATION SYSTEM
AV-91
< SERVICE INFORMATION >
C
D
E
F
G
H
I
J
L
MA
B
AV
N
O
P
Terminal and Reference Value for Display Control unitINFOID:0000000003533714
Te r m i n a l N o .
(Wire color)
ItemSignal
input/
outputCondition
Vo l ta g e
(Approx.)Example of
symptom
+–Igni-
tion
switchOperation
1 (Y) GroundBattery Pow-
erInput OFF – Battery voltageSystem does not
work properly.
2 (L/W) GroundPower Supply
(Inverter) Output ON – 9 VScreen is not
shown.
3 (B) Ground Ground – ON – 0 V –
4 (L/R) GroundPower Supply
(Signal) Output ON – 9 VScreen is not
shown.
5 (P) Ground(Inverter)
Ground –ON – 0 V –
6 (GR) GroundReverse
signalInput ONSelector lever in R
positionBattery voltage
Impossible to
gain direction of
vehicle. Selector lever not in
R position0 V
7 (P/L) Ground(Signal)
Ground –ON – 0 V –
10 (O) Ground ACC signal Input ACC – Battery voltageSystem does not
work properly.
12 (G/R) Ground Ignition signal Input ON – Battery voltageVehicle informa-
tion setting is not
possible.
13 (B) Ground Ground – ON – 0 V –
14 (R/L) GroundIllumination
signalInput OFFLighting switch posi-
tion 1st or 2ndBattery voltageDisplay unit
does not change
when lighting
switch is turned
to 1st position. Lighting switch posi-
tion OFF0 V
16 (W/R) GroundVehicle
speed signal
(8–pulse)Input ONWhen vehicle speed
is approx. 40 km/h
(25 MPH)Value of vehicle
speed informa-
tion is not accu-
rately displayed.
25 (L) – CAN-H – – – – –
26 (P) – CAN-L – – – – –
28 (V) GroundCommunica-
tion signal (+)Input/
OutputON –System does not
work properly.
29 – Shield ground – – – – –
SKIA0168E
SKIA0175E
Page 632 of 3061

AV-92
< SERVICE INFORMATION >
NAVIGATION SYSTEM
30 (LG) GroundCommunica-
tion signal (–)Input/
outputON –System does not
work properly.
32 (L) GroundCommunica-
tion signal (+)Input/
outputON –System does not
work properly.
33 – Shield ground – – – – –
34 (P) GroundCommunica-
tion signal (–)Input/
outputON –System does not
work properly.
36 (B/W) 37Display Com-
munication
signal
(DCU-DSP)Output ONPress the “TRIP”
button.Though a screen
is displayed, it is
impossible to ad-
just brightness.
37 – Shield ground – – – – –
38 (L) 37Display Com-
munication
signal
(DSP-DCU)Input ONPress the “TRIP”
button.Though a screen
is displayed, it is
impossible to ad-
just brightness.
39 – Shield ground – – – – –
40 (O/L) GroundAudio TX
Communica-
tion signalOutput ONOperate audio
volume.Audio does not
operate properly.
41 – Shield ground – – – – –Te r m i n a l N o .
(Wire color)
ItemSignal
input/
outputCondition
Voltag e
(Approx.)Example of
symptom
+–Igni-
tion
switchOperation
SKIA0176E
SKIA0175E
SKIA0176E
SKIA4364E
SKIA4363E
SKIA4402E