2005 INFINITI QX4 navigation

NAVIGATION SYSTEM
AV-113
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56
Display Longitude & Latitude

Able to confirm/adjust longitude and latitude.
Angle adjustment

Adjusts turning angle output detected by the gyroscope.
Speed Calibration

During normal driving, distance error caused by tire wear and
tire pressure change is automatically adjusted for by the auto-
matic distance correction function. This function, on the other
hand, is for immediate adjustment, in cases such as driving with
tire chain fitted on tires.
Initialize Location

This mode is for initializing the current location.
SKIA4575E
SKIA0364E
SKIA0365E

AV-114
NAVIGATION SYSTEM
Revision: October 20052005 QX56
CAN DIAG SUPPORT MONITOREKS00BJT
OPERATION PROCEDURE
1. Start the engine.
2. Turn the audio system off.
3. While pressing the “PAUSE/MUTE” button, turn the volume con-
trol dial clockwise or counterclockwise for 30 clicks or more.
(When the self-diagnosis mode is started, a short beep will be
heard.)

Shifting from current screen to previous screen is performed
by pressing “PREV” button.
4. The initial self-diagnosis screen will be shown, and items “Self-
Diagnosis (DCU)”, “Self-Diagnosis (NAVI)”, “Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
5. Select “CAN DIAG SUPPORT MONITOR”.
6. Display status of CAN communication.

If the ignition is turned on and UNKWN is shown on the screen, the value of the counter will be up.
(MAX50)
WKIA1504E
SKIA4207E
Item Content Error counter
CANCOMM OK/NG 0-50
CAN_CIRC_1 OK/UNKWN 0-50
CAN_CIRC_2 OK/UNKWN 0-50
CAN_CIRC_3 OK/UNKWN 0-50
CAN_CIRC_4 OK/UNKWN 0-50
CAN_CIRC_5 OK/UNKWN 0-50
CAN_CIRC_6 OK/UNKWN 0-50
CAN_CIRC_7 OK/UNKWN 0-50
CAN_CIRC_8 OK/UNKWN 0-50
CAN_CIRC_9 OK/UNKWN 0-50
SKIA4288E

NAVIGATION SYSTEM
AV-115
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56

The value of the counter does not change if the ignition changes to OFF. (MAX50)

If the counter shows the value of 50 and UNKWN is shown, the value of 50 will not be changed.
AV Switch Self-Diagnosis FunctionEKS00BJU
Refer to AV-27, "AV Switch Self-Diagnosis Function" .

AV-116
NAVIGATION SYSTEM
Revision: October 20052005 QX56
Power Supply and Ground Circuit Check for NAVI Control UnitEKS00BJV
1. CHECK FUSE
Make sure the following fuses of the NAVI control unit are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect NAVI control unit connector B151.
2. Check voltage between connector terminals and ground as fol-
lows.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open between NAVI control unit and fuse.
3. CHECK GROUND CIRCUIT
Check continuity between the following NAVI control unit connector
terminals and ground.
OK or NG
OK >> Inspection End.
NG >> Repair or replace harness.
Te r m i n a l s
Power source Fuse No.
Connector Terminal (Wire color)
B1512 (Y), 3 (Y) Battery power 31
6 (O) ACC power 4
Terminals Ignition switch position
(+)
(–) OFF ACC ON
ConnectorTerminal
(Wire color)
B1512 (Y), 3 (Y)
GroundBattery
voltageBattery
voltageBattery
voltage
6 (O) 0VBattery
voltageBattery
voltage
WKIA1372E
Te r m i n a l s
Ignition switch Continuity
Connector Terminal (Wire color) —
B151 1 (B), 4 (B) Ground OFF Yes
SKIA4291E

NAVIGATION SYSTEM
AV-117
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56
Power Supply and Ground Circuit Check for Display Control UnitEKS00BJW
1. CHECK FUSE
Make sure the following fuses of the display control unit are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect display control unit connector M94.
2. Check voltage between connector terminals and ground as fol-
lows.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open or short between display control unit and fuse.
3. CHECK GROUND CIRCUIT
Check continuity between the following display control unit connec-
tor terminals and ground.
OK or NG
OK >> Inspection End.
NG >> Repair or replace harness.
Terminals
Power source Fuse No.
Connector Terminal (Wire color)
M941 (Y) Battery power 31
10 (O) ACC power 4
Terminals Ignition switch position
(+)
(–) OFF ACC ON
ConnectorTe r m i n a l
(Wire color)
M941 (Y)
GroundBattery
voltageBattery
voltageBattery
voltage
10 (O) 0VBattery
voltageBattery
voltage
WKIA1373E
Te r m i n a l s
Ignition switch Continuity
Connector Terminal (Wire color) —
M943 (B)
Ground OFF Yes
13 (B)
WKIA2680E

AV-118
NAVIGATION SYSTEM
Revision: October 20052005 QX56
Power Supply and Ground Circuit Check for Display UnitEKS00BJX
1. CHECK POWER SUPPLY AND GROUND CIRCUIT FOR DISPLAY CONTROL UNIT
1. Check power supply and ground circuit for display control unit. Refer to AV- 11 7 , "
Power Supply and
Ground Circuit Check for Display Control Unit" .
OK or NG
OK >> GO TO 2.
NG >> Repair malfunctioning part.
2. CHECK POWER SUPPLY CIRCUIT FOR DISPLAY UNIT
1. Disconnect display unit connector.
2. Turn ignition switch ON.
3. Check voltage between display unit harness connector M93 ter-
minals 2 (L/W), 3 (L/R) and ground.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display unit connector M93 and display control unit connector M94.
3. Check continuity between display control unit harness connector M94 terminals 2 (L/W), 4 (L/R) and dis-
play unit harness connector M93 terminals 2 (L/W), 3 (L/R).
4. Check continuity between display unit and ground.
OK or NG
OK >> Replace display control unit. Refer to AV- 1 5 8 , "Removal and Installation of Display Control Unit" .
NG >> Repair harness.Approx. 9V
WKIA1227E
Te r m i n a l s
Continuity Display control unit Display unit
ConnectorTerminal
(Wire color)ConnectorTe r m i n a l
(Wire color)
M942 (L/W)
M932 (L/W)
Ye s
4 (L/R) 3 (L/R)
Te r m i n a l s
Continuity Display unit
—
Connector Terminal (Wire color)
M932 (L/W)
Ground No
3 (L/R)
WKIA1229E

NAVIGATION SYSTEM
AV-119
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56
4. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between display unit harness connector M93
terminals 13 (P), 14 (P/L) and ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. CHECK HARNESS
1. Disconnect display control unit connector M94.
2. Check continuity between display unit harness connector M93
terminals 13 (P), 14 (P/L) and display control unit harness con-
nector M94 terminals 5 (P), 7 (P/L).
OK or NG
OK >> Replace display control unit. Refer to AV-158, "Removal
and Installation of Display Unit" .
NG >> Repair harness.
6. CHECK GROUND CIRCUIT
Check continuity between display unit and ground as follows.
1.
OK or NG
OK >> Inspection End.
NG >> Repair harness.Continuity should exist.
WKIA2079E
Continuity should exist.
WKIA2080E
Te r m i n a l s
Ignition
switchContinuity
Connector Terminal (Wire color) —
M93 1 (B) Ground OFF Yes
WKIA1228E

AV-120
NAVIGATION SYSTEM
Revision: October 20052005 QX56
Power Supply and Ground Circuit Check for AV SwitchEKS00BJY
1. CHECK FUSE
Make sure the following fuses of the AV switch are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect AV switch connector.
2. Check voltage between connector terminals and ground as fol-
lows.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open between AV switch and fuse.
3. CHECK GROUND CIRCUIT
Check continuity between AV switch and ground as follows.
OK or NG
OK >> Inspection End.
NG >> Repair or replace harness.
Te r m i n a l s
Power source Fuse No.
Connector Terminal (Wire color)
M981 (Y) Battery power 31
2 (V) ACC power 4
Terminals Ignition switch position
(+)
(–) OFF ACC ON
ConnectorTe r m i n a l
(Wire color)
M981 (Y)
GroundBattery
voltageBattery
voltageBattery
voltage
2 (V) 0VBattery
voltageBattery
voltage
WKIA1767E
Te r m i n a l s
Ignition switch Continuity
Connector Terminal (Wire color) —
M98 5 (B) Ground OFF Yes
WKIA1768E