Nissan Pathfinder (2005 year). Instruction — part 82
NAVIGATION SYSTEM
AV-131
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AV
2005 Pathfinder
Illumination Signal Check for NAVI Control Unit
EKS009VV
1.
CHECK ILLUMINATION SIGNAL
1.
Turn the ignition switch ON.
2.
Check voltage between NAVI control unit and ground.
OK or NG
OK
>> Replace NAVI control unit. Refer to
and Installation of NAVI Control Unit"
.
NG
>> Check harness for open or short between NAVI control unit and IPDM E/R.
Illumination Signal Check for Display Control Unit
EKS009VW
1.
CHECK ILLUMINATION SIGNAL
1.
Turn ignition switch ON.
2.
Check voltage between display control unit and ground.
OK or NG
OK
>> Replace display control unit. Refer to
and Installation of Display Control Unit"
.
NG
>> Check harness for open or short between display control unit and IPDM E/R.
Ignition Signal Check for NAVI Control Unit
EKS009VX
1.
CHECK IGNITION SIGNAL
1.
Disconnect NAVI control unit connector B152.
2.
Turn ignition switch ON.
3.
Check voltage between NAVI control unit harness connector
B152 terminal 26 and ground.
OK or NG
OK
>> Replace NAVI control unit. Refer to
and Installation of NAVI Control Unit"
.
NG
>> Check harness for open or short between NAVI control
unit and fuse.
Terminals
Lighting switch position
(+)
(–)
Connector
Terminal
1st or 2nd
position
OFF
B152
25
Ground
Battery
voltage
Approx. 0V
SKIA4298E
Terminals
Lighting switch position
(+)
(–)
Connector
Terminal
1st or 2nd
position
OFF
M94
14
Ground
Battery
voltage
Approx. 0V
SKIA4299E
Battery voltage should exist.
WKIA3256E
AV-132
NAVIGATION SYSTEM
2005 Pathfinder
Ignition Signal Check for Display Control Unit
EKS009VY
1.
CHECK IGNITION SIGNAL
1.
Disconnect display control unit connector M94.
2.
Turn ignition switch ON.
3.
Check voltage between display control unit harness connector
M94 terminal 12 and ground.
OK or NG
OK
>> Replace display control unit. Refer to
and Installation of Display Control Unit"
.
NG
>> Check harness for open or short between display con-
trol unit and fuse.
Reverse Signal Check for NAVI Control Unit
EKS009VZ
1.
CHECK REVERSE LAMP
1.
Turn ignition switch ON.
2.
Place selector lever into R-position. Do back-up lamps come on?
YES or NO
YES
>> GO TO 2.
NO
>> Check back-up lamp system. Refer to
.
2.
CHECK REVERSE SIGNAL
1.
Disconnect NAVI control unit connector B152.
2.
Turn ignition switch ON.
3.
With the selector lever in R-position, check voltage between
NAVI control unit and ground.
OK or NG
OK
>> Replace NAVI control unit. Refer to
and Installation of NAVI Control Unit"
.
NG
>> Check harness for open or short between NAVI control unit and back-up lamp position relay.
Reverse Signal Check for Display Control Unit
EKS009W0
1.
CHECK REVERSE LAMP
1.
Turn ignition switch ON.
2.
Place selector lever into R-position. Do back-up lamps come on?
YES or NO
YES
>> GO TO 2.
NO
>> Check back-up lamp system. Refer to
.
Battery voltage should exist.
WKIA1230E
Terminals
Selector lever position
(+)
(–)
Connector
Terminal
R-position
Other than R-
position
B152
27
Ground
Battery voltage
Approx. 0V
SKIA4302E
NAVIGATION SYSTEM
AV-133
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AV
2005 Pathfinder
2.
CHECK REVERSE SIGNAL
1.
Disconnect display control unit connector M94.
2.
Turn ignition switch ON.
3.
With the selector lever in R-position, check voltage between dis-
play control unit and ground.
OK or NG
OK
>> Replace display control unit. Refer to
and Installation of Display Control Unit"
.
NG
>> Check harness for open or short between display control unit and back-up lamp position relay.
AV Communication Line Check (Between Display Control Unit and NAVI Control
Unit)
EKS009W1
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit for NAVI control unit. Refer to
AV-124, "Power Supply and Ground Cir-
cuit Check for NAVI Control Unit"
.
OK or NG
OK
>> GO TO 2.
NG
>> Check the malfunctioning parts.
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect NAVI control unit connector B152 and display control unit connector M95.
3.
Check continuity between NAVI control unit and display control unit.
4.
Check continuity between NAVI control unit and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
Terminals
Selector lever position
(+)
(–)
Connector
Terminal
R-position
Other than
R-position
M94
6
Ground
Battery voltage
Approx. 0V
SKIA4303E
Terminals
Continuity
NAVI control unit
Display control unit
Connector
Terminal
Connector
Terminal
B152
44
M95
32
Yes
45
34
Terminals
Continuity
NAVI control unit
—
Connector
Terminal
B152
44
Ground
No
45
SKIA4444E
AV-134
NAVIGATION SYSTEM
2005 Pathfinder
3.
CHECK SELF-DIAGNOSIS OF DCU
1.
Replace NAVI control unit.
2.
Connect NAVI control unit connector and display control unit connector.
3.
Turn ignition switch ON.
4.
Start self-diagnosis of DCU and check the self-diagnosis result.
OK or NG
OK
>> Inspection End.
NG
>> Replace display control unit. Refer to
AV-166, "Removal and Installation of Display Control Unit"
.
Audio Communication Line Check (Between Display Control Unit and Audio
Unit)
EKS009W2
1.
CHECK POWER SUPPLY AND GROUND CIRCUIT
1.
Check power supply and ground circuit for audio unit. Refer to
AV-33, "Power Supply Circuit Inspection"
.
OK or NG
OK
>> GO TO 2.
NG
>> Check the malfunctioning parts.
2.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector M45 and display control unit connector M95.
3.
Check continuity between audio unit and display control unit.
4.
Check continuity between display control unit and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
Terminals
Continuity
Display control unit
Audio unit
Connector
Terminal
Connector
Terminal
M95
40
M45
65
Yes
42
66
Terminals
Continuity
Display control unit
—
Connector
Terminal
M95
40
Ground
No
42
WKIA1192E
NAVIGATION SYSTEM
AV-135
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AV
2005 Pathfinder
3.
CHECK 1: AUDIO-TX COMMUNICATION SIGNAL
1.
Connect display control unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between display control unit harness connector
M95 terminal 42 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace display control unit. Refer to
and Installation of Display Control Unit"
.
4.
CHECK 2: AUDIO-RX COMMUNICATION SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect display control unit connector M95.
3.
Connect audio unit connector M45.
4.
Turn ignition switch ON.
5.
Check voltage between audio unit harness connector M45 ter-
minal 65 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Replace audio unit. Refer to
.
5.
CHECK 3: AUDIO-TX COMMUNICATION SIGNAL
1.
Turn ignition switch OFF.
2.
Connect display control unit connector M95.
3.
Turn ignition switch ON.
4.
Check signal between display control unit harness connector
M95 terminal 40 and ground with CONSULT-ll or oscilloscope.
OK or NG
OK
>> GO TO 6.
NG
>> Replace display control unit. Refer to
and Installation of Display Control Unit"
.
Approx. 3.5V or more.
WKIA1770E
Approx. 3.5V or more.
WKIA1771E
40 - Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
.
SKIA4447E
AV-136
NAVIGATION SYSTEM
2005 Pathfinder
6.
CHECK 4: AUDIO-RX COMMUNICATION SIGNAL
1.
Turn ignition switch ON.
2.
Check signal between display control unit harness connector
M95 terminal 42 and ground with CONSULT-ll or oscilloscope.
OK or NG
OK
>> Inspection End.
NG
>> Replace audio unit. Refer to
.
Display Communication Line Check (Between Display Control Unit and Display
Unit)
EKS009W3
1.
CHECK HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93 and display control unit connector M95.
3.
Check continuity between display control unit and display unit.
4.
Check continuity between display control unit and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
2.
CHECK 1: COMMUNICATION SIGNAL (DCU–DSP)
1.
Connect display unit connector.
2.
Turn ignition switch ON.
3.
Check voltage between display unit harness connector M93 ter-
minal 11 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Replace display unit. Refer to
.
42 - Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
.
SKIA4448E
Terminals
Continuity
Display control unit
Display unit
Connector
Terminal
Connector
Terminal
M95
36
M93
11
Yes
38
22
Terminals
Continuity
Display control unit
—
Connector
Terminal
M95
36
Ground
No
38
WKIA2019E
Approx. 3.5V or more.
WKIA1377E
NAVIGATION SYSTEM
AV-137
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AV
2005 Pathfinder
3.
CHECK 2: COMMUNICATION SIGNAL (DSP–DCU)
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M93.
3.
Connect display control unit connector.
4.
Turn ignition switch ON.
5.
Check voltage between display control unit harness connector
M95 terminal 38 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Replace display control unit. Refer to
and Installation of Display Control Unit"
.
4.
CHECK 3: COMMUNICATION SIGNAL (DCU–DSP)
1.
Turn ignition switch OFF.
2.
Connect display unit connector.
3.
Turn ignition switch ON.
4.
Check signal between display control unit harness connector
M95 terminal 36 and ground with CONSULT-ll or oscilloscope.
OK or NG
OK
>> GO TO 5.
NG
>> Replace display control unit. Refer to
and Installation of Display Control Unit"
.
5.
CHECK 4: COMMUNICATION SIGNAL (DSP–DCU)
1.
Turn ignition switch ON.
2.
Check signal between display control unit harness connector
M95 terminal 38 and ground with CONSULT-ll or oscilloscope.
OK or NG
OK
>> Inspection End.
NG
>> Replace display unit. Refer to
.
Approx. 3.5V or more.
SKIA4453E
36 - Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
.
SKIA4452E
38 - Ground
: Refer to
and Reference Value for Dis-
play Control Unit"
.
SKIA4453E
AV-138
NAVIGATION SYSTEM
2005 Pathfinder
AV Communication Line Check (Between Display Control Unit and AV Switch)
EKS009W4
1.
CHECK AV SWITCH CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display control unit connector M95 and AV switch connector M98.
3.
Check continuity between display control unit and AV switch.
4.
Check continuity between display control unit and ground.
OK or NG
OK
>> GO TO 2.
NG
>> Repair harness or connector.
2.
CHECK SELF-DIAGNOSIS OF DCU
1.
Replace AV switch.
2.
Connect display control unit connector and AV switch connector.
3.
Turn ignition switch ON.
4.
Start self-diagnosis of DCU and check the self-diagnosis result.
OK or NG
OK
>> Inspection End.
NG
>> Replace display control unit. Refer to
AV-166, "Removal and Installation of Display Control Unit"
.
Terminals
Continuity
Display control unit
AV switch
Connector
Terminal
Connector
Terminal
M95
28
M98
6
Yes
30
8
Terminals
Continuity
Display control unit
—
Connector
Terminal
M95
28
Ground
No
30
WKIA3257E
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