Page 673 of 3419
AV-84
NAVIGATION SYSTEM
Revision: October 20052005 QX56
WKWA2299E
Page 674 of 3419
NAVIGATION SYSTEM
AV-85
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56
WKWA2300E
Page 675 of 3419
AV-86
NAVIGATION SYSTEM
Revision: October 20052005 QX56
SchematicEKS00BJI
WKWA1460E
Page 676 of 3419
NAVIGATION SYSTEM
AV-87
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56
Wiring Diagram — COMM —EKS00BJJ
WKWA2301E
Page 677 of 3419
AV-88
NAVIGATION SYSTEM
Revision: October 20052005 QX56
WKWA2304E
Page 678 of 3419
NAVIGATION SYSTEM
AV-89
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56
WKWA2295E
Page 679 of 3419

AV-90
NAVIGATION SYSTEM
Revision: October 20052005 QX56
Terminals and Reference Value for NAVI Control unitEKS00BJK
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 – 0 V –
2 (Y)
GroundBattery
powerInput OFF – Battery voltageSystem does not
work properly.
3 (Y)
4 (B) Ground Ground – ON – 0 V –
6 (O) Ground ACC signal Input ACC – Battery voltageSystem does not
work properly.
7 (B) 8 (W)Voice guide
signalOutput ONPress the “GUIDE/
VOICE” button.Only route guide
and operation
guide are not
heard.
9–Shield
ground–– – –Audio noise
interference.
14 –Shield
ground–– – –Video display
interference.
15 (B) 17RGB signal
(B: blue)Output ONSelect “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.NAVI screen
looks yellowish.
16 (BR) 14RGB syn-
chronizing
signalOutput ONPress the “MAP”
button.NAVI screen is
rolling.
17 –Shield
ground–– – –Video display
interference.
18 (R) 17RGB signal
(R: red)Output ONSelect “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.NAVI screen
looks bluish.
21 (R/W) 17RGB signal
(G: green)Output ONSelect “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.NAVI screen
looks reddish.
SKIA0171J
SKIA4979E
SKIA0164E
SKIA4977E
SKIA4978E
Page 680 of 3419

NAVIGATION SYSTEM
AV-91
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56
25 (R/L) 30 (B)Illumination
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
26 (G/R) Ground Ignition signal Input ON – Battery voltageNavigation cur-
rent location
mark does not
indicate the cor-
rect position.
27 (G/W) GroundReverse
signalInput ONSelector lever in R
positionBattery voltageThe navigation
current location
mark moves
strangely when
the vehicle is
moving back-
wards. Selector lever not in
R position0V
28 (W/R) GroundVehicle
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.
43 –Shield
ground–– – – –
44 (L) GroundCommunica-
tion signal (+)Input/
outputON –System does not
work properly.
45 (P) GroundCommunica-
tion signal (–)Input/
outputON –System does not
work properly.
66 67 GPS signal Input ONConnector is not
connected.5 VNavigation sys-
tem GPS correc-
tion is not
possible. 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
PKIA1935E
SKIA0175E
SKIA0176E