Nissan Murano Z50 (2005 year). Manual - part 23

NAVIGATION SYSTEM

AV-175

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Revision: 2005 August

2005 Murano

Power Supply and Ground Circuit Check for A/C and AV Switch

AKS005LU

1. 

CHECK FUSE

Make sure that the following fuses of A/C and 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-

3, "POWER SUPPLY ROUTING CIRCUIT"

 .

2. 

CHECK POWER SUPPLY CIRCUIT

Check voltage between A/C and AV switch harness connector termi-
nals and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF. 

2.

Disconnect A/C and AV switch connector.

3.

Check continuity between A/C and AV switch harness connector
M48 terminal 5 (B) and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Unit

Signal

Fuse No.

A/C and AV switch

Battery power supply

38

ACC power supply

6

Terminals

OFF

ACC

ON

(+)

(–)

Connector

Terminal 

(Wire color)

M48

1 (Y)

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

2 (P/B)

0 V

Battery 
voltage

Battery 
voltage

SKIA9396E

5 – Ground

: Continuity should exist.

PKIA2860E

AV-176

NAVIGATION SYSTEM

Revision: 2005 August

2005 Murano

Power Supply and Ground Circuit Check for Rear View Camera Control Unit

AKS00CGV

1. 

CHECK FUSE

Make sure that the following fuses of rear view camera 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-

3, "POWER SUPPLY ROUTING CIRCUIT"

 .

2. 

CHECK POWER SUPPLY CIRCUIT

Check voltage between rear view camera control unit harness con-
nector terminals  and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear view camera control unit connector.

3.

Check continuity between rear view camera control unit harness
connector B37 terminal 3 (B) and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Unit

Signal

Fuse No.

Rear view camera control unit

Battery power supply

38

ACC power supply

6

Terminals

OFF

ACC

(+)

(

−

)

Connector

Terminal No. 

(Wire color)

B37

1 (Y)

Ground

Battery voltage

Battery voltage

2 (P/B)

0 V

Battery voltage

SKIB0976E

3 – Ground

: Continuity should exist.

SKIA5081E

NAVIGATION SYSTEM

AV-177

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Revision: 2005 August

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Vehicle Speed Signal Check for NAVI Control Unit

AKS004RI

1. 

CHECK SPEEDOMETER FUNCTION

Does speedometer is operated normally?
YES or NO

YES

>> GO TO 2.

NO

>> Check combination meter trouble diagnosis. Refer to 

DI-19, "Vehicle Speed Signal Inspection"

 .

2. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect NAVI control unit, unified meter and A/C amp., combination meter, display control unit, audio
unit and shift lock control unit connectors.

3.

Check continuity between NAVI control unit harness connector
M63 terminal 28 (V/W) and unified meter and A/C amp. harness
connector M50 terminal 26 (V/W).

4.

Check continuity between NAVI control unit harness connector
M63 terminal 28 (V/W) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK NAVI CONTROL UNIT

1.

Connect NAVI control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between NAVI control unit harness connector
M63 terminal 28 (V/W) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Replace NAVI control unit.

28 – 26

: Continuity should exist.

28 – Ground

: Continuity should not exist.

PKIA2861E

28 – Ground

: Approx. 5 V

PKIA2862E

AV-178

NAVIGATION SYSTEM

Revision: 2005 August

2005 Murano

4. 

CHECK VEHICLE SPEED SIGNAL

1.

Turn ignition switch OFF.

2.

Connect unified meter and A/C amp., combination meter, display control unit, audio unit and shift lock
control unit connectors.

3.

Drive vehicle at a constant speed.

4.

Check voltage waveform between NAVI control unit harness
connector M63 terminal 28 (V/W) and ground with CONSULT-ll
or oscilloscope.

OK or NG

OK

>> INSPECTION END

NG

>> Replace unified meter and A/C amp. Refer to 

DI-37,

"Removal and Installation of Unified Meter and A/C
Amp."

 .

Vehicle Speed Signal Check for Display Control Unit

AKS005G5

1. 

CHECK SPEEDOMETER FUNCTION

Does speedometer is operated normally?

YES or NO

YES

>> GO TO 2.

NO

>> Check combination meter trouble diagnosis. Refer to 

DI-19, "Vehicle Speed Signal Inspection"

 .

2. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect display control unit, unified meter and A/C amp., NAVI control unit, combination meter, audio
unit and shift lock control unit connectors.

3.

Check continuity between display control unit harness connector
M42 terminal 16 (V/W) and unified meter and A/C amp. harness
connector M50 terminal 26 (V/W).

4.

Check continuity between display control unit harness connector
M42 terminal 16 (V/W) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

28 – Ground

: Refer to 

AV-139, "Terminals 

and Reference Value for NAVI 
Control Unit"

 .

PKIA2863E

16 – 26

: Continuity should exist.

16 – Ground

: Continuity should not exist.

PKIA2864E

NAVIGATION SYSTEM

AV-179

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Revision: 2005 August

2005 Murano

3. 

CHECK DISPLAY CONTROL UNIT

1.

Connect display control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between display control unit harness connector
M42 terminal 16 (V/W) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Replace display control unit.

4. 

CHECK VEHICLE SPEED SIGNAL

1.

Turn ignition switch OFF.

2.

Connect unified meter and A/C amp., NAVI control unit, combination meter, audio unit and shift lock con-
trol unit connectors.

3.

Drive vehicle at a constant speed.

4.

Check voltage waveform between display control unit harness
connector M42 terminal 16 (V/W) and ground with CONSULT-ll
or oscilloscope.

OK or NG

OK

>> INSPECTION END

NG

>> Replace unified meter and A/C amp. Refer to 

DI-37,

"Removal and Installation of Unified Meter and A/C
Amp."

 .

Illumination Signal Check for NAVI Control Unit

AKS004RJ

1. 

CHECK ILLUMINATION SIGNAL

Check voltage between NAVI control unit harness connector termi-
nals and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

16 – Ground

: Approx. 5 V

PKIA2865E

16 – Ground

: Refer to 

AV-141, "Terminals 

and Reference Value for Dis-
play Control Unit"

 .

PKIA2866E

Terminals

Lighting switch position

(+)

(–)

Connector

Terminal

 (Wire color)

ON

OFF

M63

25 (R/L)

Ground

Approx. 12 V

Approx. 0 V

SKIA9497E

AV-180

NAVIGATION SYSTEM

Revision: 2005 August

2005 Murano

Illumination Signal Check for Display Control Unit 

AKS005G6

1. 

CHECK ILLUMINATION SIGNAL

Check voltage between display control unit harness connector termi-
nals and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Ignition Signal Check for NAVI Control Unit

AKS004RK

1. 

CHECK IGNITION SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between NAVI control unit harness connector
M63 terminal 26 (G) and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Ignition Signal Check for Display Control Unit

AKS005G7

1. 

CHECK IGNITION SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between display control unit harness connector
M42 terminal 12 (G) and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Terminals

Lighting switch position

(+)

(–)

Connector

Terminal

 (Wire color)

ON

OFF

M42

14 (R/L)

Ground

Approx. 12 V

Approx. 0 V

PKIA2868E

26 – Ground

: Battery voltage

SKIA8939E

12 – Ground

: Battery voltage

SKIA8940E

NAVIGATION SYSTEM

AV-181

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Revision: 2005 August

2005 Murano

Reverse Signal Check for NAVI Control Unit

AKS005G8

1. 

CHECK REVERSE LAMP 

1.

Turn ignition switch ON.

2.

Selector lever into R-position. Does “R” in the shift position indicator come on?

YES or NO

YES

>> GO TO 2.

NO

>> Check back-up lamp system. Refer to 

LT-151, "BACK-UP LAMP"

 .

2. 

CHECK REVERSE SIGNAL

Check voltage between NAVI control unit harness connector terminal
and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Reverse Signal Check for Display Control Unit

AKS004RL

1. 

CHECK REVERSE LAMP

1.

Turn ignition switch ON.

2.

Selector lever into R-position. Does “R” in the shift position indicator come on?

YES or NO

YES

>> GO TO 2.

NO

>> Check back-up lamp system. Refer to 

LT-151, "BACK-UP LAMP"

 .

2. 

CHECK REVERSE SIGNAL

Check voltage between  display control unit harness connector ter-
minal and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Terminals

Selector lever position

(+)

(–)

Connector

Terminal 

(Wire color)

R-position

Except

R-position

M63

27 (G/W)

Ground

Approx. 12 V

Approx. 0 V

SKIA9498E

Terminals

Selector lever position

(+)

(–)

Connector

Terminal 

(Wire color)

R-position

Except

 R-position

M42

6 (G/W)

Ground

Approx. 12 V

Approx. 0 V

SKIA8942E

AV-182

NAVIGATION SYSTEM

Revision: 2005 August

2005 Murano

Reverse Signal Check for Rear View Camera Control Unit

AKS00CGW

1. 

CHECK REVERSE LAMP

1.

Turn ignition switch ON.

2.

Selector lever into R-position. Does “R” in the shift position indicator come on?

Does R position of shift position indicator turn on?

YES

>> GO TO 2.

NO

>> Check back-up lamp system. Refer to 

LT-151, "BACK-UP LAMP"

 .

2. 

CHECK REVERSE SIGNAL

Check voltage between rear view camera control unit harness con-
nector terminal and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Terminals

Selector lever position

(+)

(–)

Connector

Terminal 

(Wire color)

R-position

Except

 R-position

B37

4 (G/W)

Ground

Approx. 12 V

Approx. 0 V

SKIB0941E

NAVIGATION SYSTEM

AV-183

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Revision: 2005 August

2005 Murano

When Malfunctioning Connection Between Display Control Unit and NAVI Con-
trol Unit

AKS005R8

1. 

CHECK NAVI CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT

Check NAVI control unit power supply and ground circuit. Refer to 

AV-171, "Power Supply and Ground Circuit

Check for NAVI Control Unit"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Repair malfunctioning parts.

2. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect NAVI control unit and display control unit connectors.

3.

Check continuity between NAVI control unit harness connector
M63 terminals 44 (O), 45 (B/P) and display control unit harness
connector M43 terminals 32 (O), 34 (B/P).

4.

Check continuity between NAVI control unit harness connector
M63 terminals 44 (O), 45 (B/P) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

SELF-DIAGNOSIS OF DCU

1.

Replace NAVI control unit.

2.

Connect NAVI control unit and display control unit connectors.

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.

44 – 32

: Continuity should exist.

45 – 34

: Continuity should exist.

44, 45 – Ground

: Continuity should not exist.

PKIA2873E

AV-184

NAVIGATION SYSTEM

Revision: 2005 August

2005 Murano

When Malfunctioning Connection Between Display Control Unit and Audio Unit

AKS005R9

1. 

CHECK AUDIO UNIT POWER SUPPLY CIRCUIT

Check audio unit power supply circuit. Refer to 

AV-48, "Power Supply Circuit Inspection"

 .

OK or NG

OK

>> GO TO 2.

NG

>> Repair malfunctioning parts.

2. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect audio unit and display control unit connectors.

3.

Check continuity between display control unit harness connector
M43 terminals 40 (R/G), 42 (R/Y) and audio unit harness con-
nector M46 terminals 23 (R/G), 21 (R/Y).

4.

Check continuity between display control unit harness connector
M43 terminals 40 (R/G), 42 (R/Y) and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK AUDIO UNIT

1.

Connect audio unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between audio unit harness connector M46 ter-
minal 23 (R/G) and ground. 

OK or NG

OK

>> GO TO 4.

NG

>> Replace audio unit.

40 – 23

: Continuity should exist.

42 – 21

: Continuity should exist.

40, 42 – Ground

: Continuity should not exist.

PKIA2875E

23 – Ground

: Approx. 4 V

SKIA9484E

NAVIGATION SYSTEM

AV-185

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Revision: 2005 August

2005 Murano

4. 

CHECK DISPLAY CONTROL UNIT

1.

Turn ignition switch OFF.

2.

Disconnect audio unit connector, and connect display control unit connector.

3.

Turn ignition switch ON.

4.

Check voltage between display control unit harness connector
M43 terminal 42 (R/Y) and ground. 

OK or NG

OK

>> GO TO 5.

NG

>> Replace display control unit.

5. 

CHECK AUDIO TX COMMUNICATION SIGNAL

1.

Turn ignition switch OFF.

2.

Connect audio unit connector.

3.

Turn ignition switch ON.

4.

Check voltage waveform between display control unit harness
connector M43 terminal 40 (R/G) and ground with CONSULT-ll
or oscilloscope. 

OK or NG

OK

>> GO TO 6.

NG

>> Replace display control unit.

6. 

CHECK AUDIO RX COMMUNICATION SIGNAL

Check voltage waveform between display control unit harness con-
nector M43 terminal 42 (R/Y) and ground with CONSULT-ll or oscil-
loscope. 

OK or NG

OK

>> Replace display control unit.

NG

>> Replace audio unit.

42 – Ground

: Approx. 4 V

PKIA2877E

40 – Ground

: Refer to 

AV-141, "Terminals 

and Reference Value for Dis-
play Control Unit"

 .

PKIA2878E

42 – Ground

: Refer to 

AV-141, "Terminals 

and Reference Value for Dis-
play Control Unit"

 .

PKIA2879E

AV-186

NAVIGATION SYSTEM

Revision: 2005 August

2005 Murano

When Malfunctioning Connection Between Display Control Unit and Display

AKS005RA

1. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect display control unit and display connectors.

3.

Check continuity between display control unit harness connector
M43 terminals 36 (O/L), 38 (W/L) and display harness connector
M38 terminals 11 (O/L), 22 (W/L).

4.

Check continuity between display control unit harness connector
M43 terminals 36 (O/L), 38 (W/L) and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

2. 

CHECK DISPLAY UNIT

1.

Connect display connector.

2.

Turn ignition switch ON.

3.

Check voltage between display harness connector M38 terminal
11 (O/L) and ground. 

OK or NG

OK

>> GO TO 3.

NG

>> Replace display.

3. 

CHECK DISPLAY CONTROL UNIT

1.

Turn ignition switch OFF.

2.

Disconnect display connector, and connect display control unit connector.

3.

Turn ignition switch ON.

4.

Check voltage between display control unit harness connector
M43 terminal 38 (W/L) and ground. 

OK or NG

OK

>> GO TO 4.

NG

>> Replace display control unit.

36 – 11

: Continuity should exist.

38 – 22

: Continuity should exist.

36, 38 – Ground

: Continuity should not exist.

PKIA2880E

11 – Ground

: Approx. 4 V

SKIA9503E

38 – Ground

: Approx. 4 V

PKIA2882E

NAVIGATION SYSTEM

AV-187

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Revision: 2005 August

2005 Murano

4. 

CHECK COMMUNICATION SIGNAL (DCU–DSP)

1.

Turn ignition switch OFF.

2.

Connect display connector.

3.

Turn ignition switch ON.

4.

Check voltage waveform between display control unit harness
connector M43 terminal 36 (O/L) and ground with CONSULT-ll
or oscilloscope. 

OK or NG

OK

>> GO TO 5.

NG

>> Replace display control unit.

5. 

CHECK COMMUNICATION SIGNAL (DSP–DCU)

Check voltage waveform between display control unit harness con-
nector M43 terminal 38 (W/L) and ground with CONSULT-ll or oscil-
loscope. 

OK or NG

OK

>> Replace display control unit.

NG

>> Replace display.

36 – Ground

: Refer to 

AV-141, "Terminals 

and Reference Value for Dis-
play Control Unit"

 .

PKIA2883E

38 – Ground

: Refer to 

AV-141, "Terminals 

and Reference Value for Dis-
play Control Unit"

 .

PKIA2884E

AV-188

NAVIGATION SYSTEM

Revision: 2005 August

2005 Murano

CAN Communication Line Check

AKS005RC

1. 

CHECK MONITOR DESCRIPTION

1.

Start display control unit self-diagnosis. Refer to 

AV-151, "Self-Diagnosis Mode (DCU)"

 .

2.

Select “CAN DIAG SUPPORT MONITOR”. Refer to 

AV-165,

"CAN DIAG SUPPORT MONITOR"

 .

3.

Record each item display description (OK/NG/UNKWN) displayed on the following CAN DIAG SUPPORT
MONITOR Check Sheet.

CAN DIAG SUPPORT MONITOR Check Sheet

>> After filling in CAN DIAG SUPPORT MONITOR Check Sheet, GO TO 

LAN-5, "Precautions When

Using CONSULT-II"

 .

Item

 content

Error counter

(Reference value)

Normal condition

Error (Example)

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

UNKWN

UNKWN

0-50

PKIB6080E

Diagnosis item

Screen display

Diagnosis item

Screen display

CANCOMM

OK

NG

CAN_CIRC_5

OK

UNKWN

CAN_CIRC_1

OK

UNKWN

CAN_CIRC_6

OK

UNKWN

CAN_CIRC_2

OK

UNKWN

CAN_CIRC_7

OK

UNKWN

CAN_CIRC_3

OK

UNKWN

CAN_CIRC_8

OK

UNKWN

CAN_CIRC_4

OK

UNKWN

CAN_CIRC_9

OK

UNKWN

NAVIGATION SYSTEM

AV-189

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Revision: 2005 August

2005 Murano

If NAVI Control Unit Detects That DVD-ROM Map Is Not Inserted

AKS005RD

1. 

CHECK DVD-ROM

Make sure identified DVD-ROM map is inserted.
OK or NG

OK

>> Replace NAVI control unit.

NG

>> Insert identified DVD-ROM map.

If NAVI Control Unit Detects That Inserted DVD-ROM Map Malfunctioning or If It 
Is Impossible to Load Data From DVD-ROM Map

AKS005RE

1. 

CHECK 1: DVD-ROM

Remove inserted DVD-ROM map to check that it is identified.

OK or NG

OK

>> GO TO 2.

NG

>> Replace identified DVD-ROM map.

2. 

CHECK 2: DVD-ROM

Check removed DVD-ROM that there are dirt, scratch and warp.

OK or NG

OK

>> GO TO 3.

NG

>> Replace DVD-ROM map.

3. 

CHECK 3: DVD-ROM

Insert same DVD-ROM to make sure same diagnosis result is found as last self-diagnosis.

OK or NG

OK

>> Replace NAVI control unit.

NG

>> Replace DVD-ROM map.

If Connection Between NAVI Control Unit and GPS Antenna is Malfunctioning

AKS005RF

1. 

CHECK GPS ANTENNA

Check cable for GPS antenna by watching out to see that cable is malfunctioning.

OK or NG

OK

>> GO TO 2.

NG

>> Replace GPS antenna.

2. 

CHECK BY REPLACEMENT OF GPS ANTENNA

Replace other functional GPS antenna to try self-diagnosis again. 

Result of self-diagnosis; Found same result?

YES

>> Replace NAVI control unit.

NO

>> Replace GPS antenna.

AV-190

NAVIGATION SYSTEM

Revision: 2005 August

2005 Murano

Color of RGB Image is Not Proper

AKS005SR

1. 

CHECK RGB HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect display control unit and display connectors.

3.

Check the malfunctioning circuit according to the symptoms.

●

When the screen looks bluish

●

When the screen looks reddish

●

When the screen looks yellowish

OK or NG

OK

>> GO TO 2.

NG

>> Repair harness or connector.

Terminals

Continuity

Display control unit

Display

Connector

Terminal 

(Wire color)

Connector

Terminal 

(Wire color)

M43

50 (G/Y)

M38

17 (G/Y)

Yes

47

7

Terminals

Continuity

Display control unit

Ground

Connector

Terminal (Wire color)

M43

50 (G/Y)

No

47

Terminals

Continuity

Display control unit

Display

Connector

Terminal 

(Wire color)

Connector

Terminal 

(Wire color)

M43

52 (G/R)

M38

6 (G/R)

Yes

47

7

Terminals

Continuity

Display control unit

Ground

Connector

Terminal (Wire color)

M43

52 (G/R)

No

47

Terminals

Continuity

Display control unit

Display

Connector

Terminal 

(Wire color)

Connector

Terminal 

(Wire color)

M43

54 (G/O)

M38

18 (G/O)

Yes

47

7

Terminals

Continuity

Display control unit

Ground

Connector

Terminal (Wire color)

M43

54 (G/O)

No

47

PKIA2896E

PKIA2898E

PKIA2900E