Nissan Pathfinder (2005 year). Instruction — part 81
NAVIGATION SYSTEM
AV-123
C
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A
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AV
2005 Pathfinder
●
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 Function
EKS009VO
Refer to
AV-29, "AV Switch Self-Diagnosis Function"
.
AV-124
NAVIGATION SYSTEM
2005 Pathfinder
Power Supply and Ground Circuit Check for NAVI Control Unit
EKS009VP
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
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.
Terminals
Power source
Fuse No.
Connector
Terminal
B151
2, 3
Battery power
29
6
ACC power
4
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
ON
Connector
Terminal
B151
2, 3
Ground
Battery
voltage
Battery
voltage
Battery
voltage
6
0V
Battery
voltage
Battery
voltage
WKIA1372E
Terminals
Ignition switch
Continuity
Connector
Terminal
—
B151
1, 4
Ground
OFF
Yes
SKIA4291E
NAVIGATION SYSTEM
AV-125
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A
B
AV
2005 Pathfinder
Power Supply and Ground Circuit Check for Display Control Unit
EKS009VQ
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
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 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
M94
1
Battery power
29
10
ACC power
4
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
ON
Connector
Terminal
M94
1
Ground
Battery
voltage
Battery
voltage
Battery
voltage
10
0V
Battery
voltage
Battery
voltage
WKIA1373E
Terminals
Ignition switch
Continuity
Connector
Terminal
—
M94
3
Ground
OFF
Yes
SKIA4293E
AV-126
NAVIGATION SYSTEM
2005 Pathfinder
Power Supply and Ground Circuit Check for Display Unit
EKS009VR
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT FOR DISPLAY CONTROL UNIT
1.
Check power supply and ground circuit for display control unit. Refer to
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, 3 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, 4 and display unit har-
ness connector M93 terminals 2, 3.
4.
Check continuity between display unit and ground.
OK or NG
OK
>> Replace display control unit. Refer to
AV-166, "Removal and Installation of Display Control Unit"
.
NG
>> Repair harness.
Approx. 9V
WKIA1227E
Terminals
Continuity
Display control unit
Display unit
Connector
Terminal
Connector
Terminal
M94
2
M93
2
Yes
4
3
Terminals
Continuity
Display unit
—
Connector
Terminal
M93
2
Ground
No
3
WKIA1229E
NAVIGATION SYSTEM
AV-127
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AV
2005 Pathfinder
4.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between display unit harness connector M93
terminals 13, 14 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, 14 and display control unit harness connector M94
terminals 5, 7.
OK or NG
OK
>> Replace display control unit. Refer to
and Installation of Display Control 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
Terminals
Ignition
switch
Continuity
Connector
Terminal
—
M93
1
Ground
OFF
Yes
WKIA1228E
AV-128
NAVIGATION SYSTEM
2005 Pathfinder
Power Supply and Ground Circuit Check for AV Switch
EKS009VS
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
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.
Terminals
Power source
Fuse No.
Connector
Terminal
M98
1
Battery power
29
2
ACC power
4
Terminals
Ignition switch position
(+)
(–)
OFF
ACC
ON
Connector
Terminal
M98
1
Ground
Battery
voltage
Battery
voltage
Battery
voltage
2
0V
Battery
voltage
Battery
voltage
WKIA3252E
Terminals
Ignition switch
Continuity
Connector
Terminal
—
M98
5
Ground
OFF
Yes
WKIA3253E
NAVIGATION SYSTEM
AV-129
C
D
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F
G
H
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M
A
B
AV
2005 Pathfinder
Vehicle Speed Signal Check for NAVI Control Unit
EKS009VT
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit connector B152, combination meter connector M24, display control unit con-
nector M94.
3.
Check continuity between NAVI control unit harness connector
B152 terminal 28 and combination meter harness connector
M24 terminal 6.
4.
Check continuity between NAVI control unit harness connector
B152 terminal 28 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness.
2.
CHECK 1: VEHICLE SPEED SIGNAL
1.
Connect NAVI control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between NAVI control unit harness connector
B152 terminal 28 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace NAVI control unit. Refer to
and Installation of NAVI Control Unit"
.
3.
CHECK 2: VEHICLE SPEED SIGNAL
1.
Connect combination meter connector and display control unit connector.
2.
Drive vehicle at a constant speed.
3.
Check signal between NAVI control unit harness connector
B152 terminal 28 and ground with CONSULT-II or oscilloscope.
OK or NG
OK
>> Replace NAVI control unit. Refer to
and Installation of NAVI Control Unit"
.
NG
>> Check combination meter system. Refer to
.
Continuity should exist.
Continuity should not exist.
WKIA3254E
Approx. 3.5V or more
SKIA4295E
28 - Ground
: Refer to
and Reference Value for NAVI
Control Unit"
.
SKIA4615E
AV-130
NAVIGATION SYSTEM
2005 Pathfinder
Vehicle Speed Signal Check for Display Control Unit
EKS009VU
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect display control unit connector M94, combination meter connector M24, NAVI control unit con-
nector B152.
3.
Check continuity between display control unit harness connector
M94 terminal 16 and combination meter harness connector M24
terminal 6.
4.
Check continuity between display control unit harness connector
M94 terminal 16 and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness.
2.
CHECK 1: VEHICLE SPEED SIGNAL
1.
Connect display control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between display control unit harness connector
M94 terminal 16 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace display control unit. Refer to
and Installation of Display Control Unit"
.
3.
CHECK 2: VEHICLE SPEED SIGNAL
1.
Connect combination meter connector and NAVI control unit connector.
2.
Drive vehicle at a constant speed.
3.
Check signal between display control unit harness connector
M94 terminal 16 and ground with CONSULT-II or oscilloscope.
OK or NG
OK
>> Replace display control unit. Refer to
and Installation of Display Control Unit"
.
NG
>> Check combination meter system. Refer to
.
Continuity should exist.
Continuity should not exist.
WKIA3255E
Approx. 3.5V or more
SKIA4297E
16 - Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
.
SKIA4616E
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