2005 INFINITI QX4 Factory Service Manual

Page 705 of 3419

INFINITI QX4 2005  Factory Service Manual 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 no

Page 706 of 3419

INFINITI QX4 2005  Factory Service Manual 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

Page 707 of 3419

INFINITI QX4 2005  Factory Service Manual 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 powe

Page 708 of 3419

INFINITI QX4 2005  Factory Service Manual 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

Page 709 of 3419

INFINITI QX4 2005  Factory Service Manual 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 N

Page 710 of 3419

INFINITI QX4 2005  Factory Service Manual NAVIGATION SYSTEM
AV-121
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56
Vehicle Speed Signal Check for NAVI Control UnitEKS00BJZ
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect

Page 711 of 3419

INFINITI QX4 2005  Factory Service Manual AV-122
NAVIGATION SYSTEM
Revision: October 20052005 QX56
Vehicle Speed Signal Check for Display Control UnitEKS00BK0
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit co

Page 712 of 3419

INFINITI QX4 2005  Factory Service Manual NAVIGATION SYSTEM
AV-123
C
D
E
F
G
H
I
J
L
MA
B
AV
Revision: October 20052005 QX56
Illumination Signal Check for NAVI Control UnitEKS00BK1
1. CHECK ILLUMINATION SIGNAL
1. Turn the ignition switch ON.