Nissan Pathfinder (2009 year). Manual — part 69

AV-364

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

U1258 SATELLITE RADIO ANTENNA

U1258 SATELLITE RADIO ANTENNA

Description

INFOID:0000000003939226

DTC Logic

INFOID:0000000003939227

Diagnosis Procedure

INFOID:0000000003939228

1.

SATELLITE RADIO ANTENNA CHECK

Visually check satellite radio antenna and antenna feeder.

Is inspection result OK?

YES

>> GO TO 2

NO

>> Repair malfunctioning parts.

2.

CHECK AV CONTROL UNIT VOLTAGE

1.

Disconnect AV control unit connector M71.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit connector M71 terminal
108 and ground.

Is voltage approximately 5 volts?

YES

>> Inspection End.

NO

>> Replace AV control unit. Refer to

AV-455, "Removal and

Installation"

.

Part name

Description

SATELLITE RADIO ANTENNA

Satellite radio signal is received and sent to audio control unit.

DTC

Display contents of

CONSULT-III

DTC Detection Condition

Possible causes

U1258

XM ANETNNA CONN
[U1258]

Satellite radio antenna connection malfunction is detected

Satellite radio antenna disconnection

108 - Ground

: Approx. 5 V

ALNIA0544GB

2009 Pathfinder

AV

U1300 AV COMM CIRCUIT

AV-365

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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U1300 AV COMM CIRCUIT

Description

INFOID:0000000003939229

U1300 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simulta-
neously, without fail, with the malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.

Self-diagnosis results display item

DTC

Display contents of

CONSULT-III

DTC Detection Condition

Possible causes

U1300
U1240

• AV COMM CIRCUIT

[U1300]

• SWITCH CONN

[U1240]

• A/C and AV switch assembly power supply and ground

circuit malfunction is detected

• A malfunction is detected in communication circuit be-

tween AV control unit and A/C and AV switch assembly

• A malfunction is detected in communication signal be-

tween AV control unit and A/C and AV switch assembly

• A/C and AV switch assembly power

supply and ground circuits

• Communication circuit between AV

control unit and A/C and AV switch
assembly

2009 Pathfinder

AV-366

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

U1310 AV CONTROL UNIT

U1310 AV CONTROL UNIT

Description

INFOID:0000000003939230

Replace the AV control unit if this DTC is displayed. Refer to

AV-455, "Removal and Installation"

.

DTC Logic

INFOID:0000000003939231

Part name

Description

AV CONTROL UNIT

• It is the master unit of the MULTI AV system and it is connected to each control

unit by means of communication. It operates each system according to com-
munication signals from the AV control unit.

• AV control unit includes audio function and vehicle information function.
• It is connected to ECM and combination meter via CAN communication to ob-

tain necessary information for the vehicle information function.

• It inputs the automatic brightness ON/OFF signals that are required for the dis-

play dimming control.

• It inputs the signals for driving status recognition (vehicle speed, reverse and

parking brake).

DTC

Display contents of

CONSULT-III

DTC Detection Condition

Action to take

U1310

CONTROL UNIT (AV)
[U1310]

An initial diagnosis error is detected in AV communication
circuit.

Replace AV control unit. Refer to

AV-

455, "Removal and Installation"

.

2009 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-367

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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POWER SUPPLY AND GROUND CIRCUIT

AV CONTROL UNIT

AV CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003939232

1.

CHECK FUSES

Check that the following AV control unit fuses are not blown.

Are the fuses OK?

YES

>> GO TO 2

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

POWER SUPPLY CIRCUIT CHECK

1.

Disconnect AV control unit connectors M39 and M48.

2.

Check voltage between the AV control unit connectors M39 and
M48 and ground.

Are the voltage results as specified?

YES

>> GO TO 3

NO

>> • Check connector housings for disconnected or loose

terminals.

• Repair harness or connector.

3.

GROUND CIRCUIT CHECK

1.

Ignition OFF.

2.

Check continuity between AV control unit harness connector
M48 and ground.

Are the continuity results as specified?

Unit

Terminals

Signal name

Fuse No.

AV control unit

19, 69, 71

Battery power

29

7, 72

Ignition switch ACC or ON

4

82

Ignition switch ON or START

12

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M39

7

Ground

0V

Battery
voltage

Battery
voltage

19

Ground

Battery
voltage

Battery
voltage

Battery
voltage

M48

69

Ground

Battery
voltage

Battery
voltage

Battery
voltage

71

Ground

Battery
voltage

Battery
voltage

Battery
voltage

72

Ground

0V

Battery
voltage

Battery
voltage

82

Ground

0V

0V

Battery
voltage

AWNIA0459GB

(+)

(-)

Continuity

Connector

Terminal

M48

68

Ground

Yes

70

89

90

AWNIA1788ZZ

2009 Pathfinder

AV-368

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

YES

>> Inspection End.

NO

>> Repair AV control unit ground.

DISPLAY UNIT

DISPLAY UNIT : Diagnosis Procedure

INFOID:0000000003939233

1.

CHECK FUSES

Check that the following display unit fuses are not blown.

Are the fuses OK?

YES

>> GO TO 2

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch to ACC

2.

Check voltage between display unit harness connector M92 and
ground.

Does specified voltage exist?

YES

>> GO TO 3.

NO

>> • Check connector housings for disconnected or loose

terminals.

• Repair harness or connector.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector.

3.

Check continuity between display unit harness connector M92
and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

A/C AND AV SWITCH ASSEMBLY

A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure

INFOID:0000000003939234

1.

CHECK FUSE

Check that the A/C and AV switch assembly fuse is not blown.

Unit

Terminals

Signal name

Fuse No.

Display unit

2

Battery power

29

3

Ignition switch ACC or ON

4

Connector

Terminal

Ignition switch posi-

tion

Value (Approx.)

M92

2

ACC

Battery voltage

3

ALNIA0317GB

(+)

(-)

Continuity

Connector

Terminal

M92

1

Ground

Yes

13

ALNIA0407GB

Unit

Terminal

Signal name

Fuse No.

A/C and AV switch assembly

2

Ignition switch ACC or ON

4

2009 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-369

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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Is the fuse OK?

YES

>> GO TO 2

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

POWER SUPPLY CIRCUIT CHECK

1.

Disconnect A/C and AV switch assembly connector M98.

2.

Check voltage between the A/C and AV switch assembly con-
nector M98 and ground.

Are the voltage results as specified?

YES

>> GO TO 3

NO

>> • Check connector housings for disconnected or loose

terminals.

• Repair harness or connector.

3.

GROUND CIRCUIT CHECK

1.

Ignition OFF.

2.

Check continuity between A/C and AV switch assembly harness
connector M98 and ground.

Are the continuity results as specified?

YES

>> Inspection End.

NO

>> Repair A/C and AV switch assembly ground.

BOSE SPEAKER AMP

BOSE SPEAKER AMP : Diagnosis Procedure

INFOID:0000000004432053

1.

CHECK FUSE

Check that the BOSE speaker amp. fuse is not blown.

Are the fuses OK?

YES

>> GO TO 2

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BOSE speaker amp. connector.

3.

Check voltage between BOSE speaker amp. harness connector
B74 terminal 1 and ground.

Is battery voltage present?

YES

>> GO TO 3

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M98

2

Ground

0V

Battery
voltage

Battery
voltage

ALNIA0315GB

(+)

(-)

Continuity

Connector

Terminal

M98

1

Ground

Yes

ALNIA0316GB

Unit

Terminal

Signal name

Fuse No.

BOSE speaker amp.

1

Battery power

29

(+)

(-)

Voltage (approx.)

Connector

Terminal

B74

1

Ground

Battery voltage

ALNIA0527GB

2009 Pathfinder

AV-370

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

NO

>> Check harness between BOSE speaker amp. and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BOSE speaker amp. connector.

3.

Check continuity between BOSE speaker amp. harness connec-
tor B74 terminal 17 and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

SUBWOOFER

SUBWOOFER : Diagnosis Procedure

INFOID:0000000004432054

1.

CHECK FUSE

Check that the subwoofer fuse is not blown.

Is the fuse OK?

YES

>> GO TO 2

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect subwoofer connector.

3.

Check voltage between subwoofer harness connector B72 ter-
minal 6 and ground.

Is battery voltage present?

YES

>> GO TO 3

NO

>> Check harness between subwoofer and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between subwoofer harness connector B72
terminal 5 and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

REAR VIEW CAMERA CONTROL UNIT

(+)

(-)

Continuity

Connector

Terminal

B74

17

Ground

Yes

ALNIA0526GB

Unit

Terminal

Signal name

Fuse No.

Subwoofer

6

Battery power

17

(+)

(-)

Voltage (approx.)

Connector

Terminal

B72

6

Ground

Battery voltage

ALNIA0528GB

(+)

(-)

Continuity

Connector

Terminal

B72

5

Ground

Yes

ALNIA0529GB

2009 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-371

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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REAR VIEW CAMERA CONTROL UNIT : Diagnosis Procedure

INFOID:0000000004432056

1.

CHECK FUSE

Check that the following fuses of the rear view camera control unit are not blown.

Are the fuses OK?

YES

>> GO TO 2

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between rear view camera control unit harness con-
nector B176 and ground.

Are the voltage readings as specified?

YES

>> GO TO 3

NO

>> 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 B176 terminal 3 and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

REAR VIEW CAMERA

REAR VIEW CAMERA : Diagnosis Procedure

INFOID:0000000004432057

1.

CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

1.

Turn ignition switch ON.

2.

Shift transmission into reverse.

Unit

Terminals

Signal name

Fuse No.

Rear view camera control unit

1

Battery power

29

2

Ignition switch ACC or ON

4

(+)

(-)

Ignition switch position

Value (Approx.)

Connector

Terminal

B176

1

Ground

OFF

Battery voltage

2

ACC

ALLIA0244ZZ

Connector Terminal

—

Continuity

B176

3 Ground

Yes

ALLIA0245ZZ

2009 Pathfinder