Nissan Pathfinder (2006 year). Manual - part 79

 

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Nissan Pathfinder (2006 year). Manual - part 79

 

 

NAVIGATION SYSTEM

AV-123

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AV

2006 Pathfinder

Vehicle Speed Signal Check for NAVI Control Unit

EKS00HKI

1. 

CHECK HARNESS

1.

Turn ignition switch OFF.

2.

Disconnect NAVI control unit connector B152, combination
meter connector M24 and display control unit connector M94.

3.

Check continuity between NAVI control unit harness connector
B152 (B) terminal 66 and combination meter harness connector
M24 (A) terminal 29.

4.

Check continuity between NAVI control unit harness connector
B152 (B) terminal 66 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 66 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Replace NAVI control unit. Refer to 

AV-159, "NAVI CON-

TROL 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 66 and ground with CONSULT-ll or oscilloscope.

OK or NG

OK

>> Replace NAVI control unit. Refer to 

AV-159, "NAVI CON-

TROL UNIT"

  .

NG

>> Check combination meter system. Refer to 

DI-21, "Vehicle Speed Signal Inspection"

  .

Continuity should exist.

Continuity should not exist.

WKIA4445E

Approx. 3.5V or more

WKIA4209E

66 - Ground

: Refer to 

AV-94, "Terminals 

and Reference Value for NAVI 
Control Unit"

  .

WKIA4210E

AV-124

NAVIGATION SYSTEM

2006 Pathfinder

Vehicle Speed Signal Check for Display Control Unit

EKS00HKJ

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 

AV-161, "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 

AV-161, "DISPLAY

CONTROL UNIT"

 .

NG

>> Check combination meter system. Refer to 

DI-21, "Vehi-

cle Speed Signal Inspection"

 .

Continuity should exist.

Continuity should not exist.

WKIA3255E

Approx. 3.5V or more

SKIA4297E

16 - Ground

: Refer to 

AV-96, "Terminals 

and Reference Value for Dis-
play Control Unit"

 .

SKIA4616E

NAVIGATION SYSTEM

AV-125

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AV

2006 Pathfinder

Illumination Signal Check for NAVI Control Unit

EKS00HKK

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 

AV-159, "NAVI CON-

TROL UNIT"

  .

NG

>> Check harness for open or short between NAVI control unit and IPDM E/R.

Illumination Signal Check for Display Control Unit 

EKS00HKL

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 

AV-161, "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

EKS00HKM

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 63 and ground.

OK or NG

OK

>> Replace NAVI control unit. Refer to 

AV-159, "NAVI CON-

TROL 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

61 Ground

Battery 
voltage

Approx. 0V

WKIA4211E

Terminals

Lighting switch position

(+)

(–)

Connector

Terminal

1st or 2nd 

position

OFF

M94

14

Ground

Battery 
voltage

Approx. 0V

SKIA4299E

Battery voltage should exist.

WKIA4212E

AV-126

NAVIGATION SYSTEM

2006 Pathfinder

Ignition Signal Check for Display Control Unit

EKS00HKN

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 

AV-161, "DISPLAY

CONTROL UNIT"

 .

NG

>> Check harness for open or short between display con-

trol unit and fuse.

Reverse Signal Check for NAVI Control Unit

EKS00HKO

1. 

CHECK REVERSE LAMP 

1.

Turn ignition switch ON.

2.

Place A/T 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 

LT-88, "BACK-UP LAMP"

  .

2. 

CHECK REVERSE SIGNAL

1.

Disconnect NAVI control unit connector B152.

2.

Turn ignition switch ON.

3.

With the A/T selector lever in R-position, check voltage between
NAVI control unit and ground.

OK or NG

OK

>> Replace NAVI control unit. Refer to 

AV-159, "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

EKS00HKP

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 

LT-88, "BACK-UP LAMP"

 .

Battery voltage should exist.

WKIA1230E

Terminals

Selector lever position

(+)

(–)

Connector

Terminal

R-position

Other than R-

position

B152

65

Ground

Battery voltage

Approx. 0V

WKIA4213E

NAVIGATION SYSTEM

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AV

2006 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 

AV-161, "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)

EKS00HKQ

1. 

CHECK POWER SUPPLY AND GROUND CIRCUIT

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

AV-118, "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

B

A

Connector

Terminal

Connector

Terminal

NAVI control 

unit: B152

69

Display con-

trol unit: M95

32

Yes

70

34

Terminals

Continuity

B

Connector

Terminal

NAVI control unit: 

B152

69

Ground

No

70

WKIA4214E

AV-128

NAVIGATION SYSTEM

2006 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-161, "DISPLAY CONTROL UNIT"

  .

Audio Communication Line Check (Between Display Control Unit and Audio 
Unit)

EKS00HKR

1. 

CHECK POWER SUPPLY AND GROUND CIRCUIT

1.

Check power supply and ground circuit for audio unit. Refer to 

AV-37, "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.

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 

AV-161, "DISPLAY

CONTROL UNIT"

 .

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

Approx. 3.5V or more.

WKIA1770E

NAVIGATION SYSTEM

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AV

2006 Pathfinder

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 

AV-61, "Removal and

Installation"

 .

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 

AV-161, "DISPLAY CONTROL UNIT"

 .

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 

AV-61, "Removal and

Installation"

 .

Approx. 3.5V or more.

WKIA1771E

40 - Ground

: Refer to 

AV-96, "Terminals 

and Reference Value for Dis-
play Control Unit"

 .

SKIA4447E

42 - Ground

: Refer to 

AV-96, "Terminals 

and Reference Value for Dis-
play Control Unit"

 .

SKIA4448E

AV-130

NAVIGATION SYSTEM

2006 Pathfinder

Display Communication Line Check (Between Display Control Unit and Display 
Unit)

EKS00HKS

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 

AV-160, "DISPLAY UNIT"

.

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 

AV-161, "DISPLAY

CONTROL UNIT"

 .

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

Approx. 3.5V or more.

SKIA4453E

 

 

 

 

 

 

 

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