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Nissan Pathfinder (2012 year). Manual - part 48

AV-202

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

SOUND SIGNAL CIRCUIT

Are voltage readings as specified?

YES

>> Replace AV control unit. Refer to

AV-255, "Removal and Installation"

>> Replace satellite radio tuner. Refer to

AV-273, "Removal and Installation"

RIGHT CHANNEL

CHECK HARNESS

1. Turn ignition switch OFF.

2. Disconnect satellite radio tuner (factory installed) connector M41

and AV control unit connector M136.

3. Check continuity between satellite radio tuner (factory installed)

M41 (A) and AV control unit M136 (B).

4. Check continuity between satellite radio tuner (factory installed) connector M41 (A) and ground.

Are continuity results as specified?

YES

>> GO TO 2

>> Repair harness or connector.

CHECK RIGHT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and AV control

unit.

2. Turn ignition switch ON.

3. Check signal between satellite radio tuner (factory installed)

connector M41 terminals 23 and 24 with CONSULT or oscillo-

scope.

Are voltage readings as specified?

YES

>> Replace AV control unit. Refer to

AV-255, "Removal and Installation"

>> Replace satellite radio tuner. Refer to

AV-273, "Removal and Installation"

Continuity

Connector

Terminal

Connector

Terminal

M41

M136

Yes

—

Continuity

Connector

Terminal

M41

Ground

ALNIA0338GB

(+)

(-)

Reference signal

Connector

Terminal

M41

ALNIA0881GB

SKIB3609E

August 2012

2012 Pathfinder

MICROPHONE SIGNAL CIRCUIT

AV-203

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000007347771

Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal

circuits.

Diagnosis Procedure

INFOID:0000000007347772

Regarding Wiring Diagram information, refer to

AV-225, "Wiring Diagram - Without Navigation System"

CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE

1. Turn ignition switch OFF.

2. Disconnect Bluetooth control unit connector and microphone

connector.

3. Check continuity between Bluetooth control unit harness con-

nector B124 (A) and microphone harness connector R8 (B).

4. Check continuity between Bluetooth control unit harness connector B124 (A) and ground.

Are the continuity test results as specified?

YES

>> GO TO 2

>> Repair harness or connector.

CHECK MICROPHONE POWER SUPPLY

1. Connect Bluetooth control unit connector and microphone con-

nector.

2. Turn ignition switch ON.

3. Check voltage between microphone harness connector R8 ter-

minal 4 and ground.

Is voltage reading approx. 5 volts?

YES

>> GO TO 3

>> Replace Bluetooth control unit. Refer to

AV-264,

"Removal and Installation"

CHECK MICROPHONE SIGNAL

Continuity

Connector

Terminal

Connector

Terminal

B124

Yes

—

Continuity

Connector

Terminal

B124

Ground

WKIA5795E

4 - Ground

: Approx. 5V

WKIA5796E

August 2012

2012 Pathfinder

AV-204

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

MICROPHONE SIGNAL CIRCUIT

Check signal between Bluetooth control unit harness connector

B124 terminals 7 and 8.

Are voltage readings as specified?

YES

>> Replace Bluetooth control unit. Refer to

AV-264, "Removal and Installation"

>> Replace microphone. Refer to

AV-263, "Removal and Installation"

7 - 8:

When giving a voice

ALNIA0934GB

PKIB5037J

August 2012

2012 Pathfinder

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

AV-205

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000007347773

Rear view camera signals are transmitted from the rear view camera to the AV control unit using the camera

signal circuits.

Diagnosis Procedure

INFOID:0000000007347774

Regarding Wiring Diagram information, refer to

AV-225, "Wiring Diagram - Without Navigation System"

CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

NOTE:

Apply parking brakes before proceeding.

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M134 and rear view camera connector D551.

3. Check continuity between AV control unit harness connector M134 terminals 64, 65, 72 and rear view

camera harness connector D551 terminals 3, 5 and 6.

4. Check continuity between AV control unit harness connector M134 terminals 64, 65, 72 and ground.

Is inspection result OK?

YES

>> GO TO 2

>> Repair harness or connector.

CHECK CAMERA IMAGE SIGNAL

1. Connect AV control unit connector M134 and rear view camera connector D551.

2. Turn ignition switch ON.

3. Shift transmission into reverse.

4. Check signal between AV control unit harness connector M134 terminals 64 and 65.

Is inspection result OK?

YES

>> Replace AV control unit. Refer to

AV-255, "Removal and Installation"

>> Replace rear view camera. Refer to

AV-274, "Removal and Installation"

64 - 5

: Continuity should exist.

65 - 6

: Continuity should exist.

72 - 3

: Continuity should exist.

64, 65, 72 - Ground

: Continuity should not exist.

64 - 65

SKIB2251J

August 2012

2012 Pathfinder

AV-206

< ECU DIAGNOSIS INFORMATION >

[BOSE AUDIO WITHOUT NAVIGATION]

AV CONTROL UNIT

ECU DIAGNOSIS INFORMATION

AV CONTROL UNIT

Reference Value

INFOID:0000000007347775

VALUES ON THE DIAGNOSIS TOOL

CONSULT data monitor item

TERMINAL LAYOUT

PHYSICAL VALUES

Display Item

Dis-
play

Vehicle status

Remarks

VHCL SPD SIG

Vehicle speed >0 km/h (0 MPH)

Changes in indication may be delayed. This is nor-
mal.

OFF

Vehicle speed =0 km/h (0 MPH)

PKB SIG

Parking brake is applied.

Changes in indication may be delayed. This is nor-
mal.

OFF

Parking brake is released.

ILLUM SIG

Block the light beam from the auto
light optical sensor when the light SW
is ON .

—

OFF

Expose the auto light optical sensor
to light when the light SW is OFF or
ON.

IGN SIG

Ignition switch ON

—

OFF

Ignition switch in ACC position

REV SIG

Selector lever in R position

Changes in indication may be delayed. This is nor-
mal.

OFF

Selector lever in any position other
than R

AWNIA0146ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

–

Signal name

Input/

Output

(Y)

(L)

Steering switch signal A

Input

Ignition

switch

Pressing

switch

Pressing

switch

0.75V

Pressing VOL up switch

Except for above

(G/Y)

Ground ACC power supply

Input

Ignition

switch

ACC

—

Battery voltage

(V)

Ground Illumination signal

Input

OFF

Lighting switch is OFF.

Lighting switch is ON.

Battery voltage

August 2012

2012 Pathfinder

AV CONTROL UNIT

AV-207

< ECU DIAGNOSIS INFORMATION >

[BOSE AUDIO WITHOUT NAVIGATION]

(L)

Ground

Steering switch signal
ground

—

Ignition

switch

—

(G)

(L)

Steering switch signal B

Input

Ignition

switch

Pressing

switch

Pressing

switch

0.75V

Pressing VOL down switch

Except for above

(Y)

Ground Battery power supply

Input

Ignition

switch

OFF

—

Battery voltage

(B)

Ground Ground

—

Ignition

switch

—

(R)

(G)

Satellite radio sound signal
LH

Input

Ignition

switch

When satellite radio mode
is selected

(B)

(W)

Satellite radio sound signal
RH

Input

Ignition

switch

When satellite radio mode
is selected

(O)

Ground

Request signal
(SAT

→

CONT)

Input

Ignition

switch

When satellite radio mode
is selected

(P)

Ground

Communication signal
(SAT

→

CONT)

Input

Ignition

switch

When satellite radio mode
is selected

(L)

Ground

Communication signal
(CONT

→

SAT)

Output

Ignition

switch

When satellite radio mode
is selected

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

–

Signal name

Input/

Output

SKIB3609E

SKIA9299J

SKIA9300J

SKIA9301J

August 2012

2012 Pathfinder

AV-208

< ECU DIAGNOSIS INFORMATION >

[BOSE AUDIO WITHOUT NAVIGATION]

AV CONTROL UNIT

—

Antenna main

—

Antenna B+

—

(G)

Ground AUX image signal

Output

Ignition

switch

When AUX mode is select-
ed

(R)

Ground AUX image ground

—

Ignition

switch

—

(R)

Ground RGB signal (B: blue)

Output

Ignition

switch

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.

(B)

Ground RGB signal (G: green)

Output

Ignition

switch

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.

(W)

Ground RGB signal (R: red)

Output

Ignition

switch

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.

(R)

Ground RGB synchronizing signal

Output

Ignition

switch

—

(G)

Ground RGB area (YS) signal

Output

Ignition

switch

RGB image

AUX image

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

–

Signal name

Input/

Output

SKIB2251J

SKIB2237J

SKIB2236J

SKIB2238J

SKIB3603E

PKIB4948J

August 2012

2012 Pathfinder

AV CONTROL UNIT

AV-209

< ECU DIAGNOSIS INFORMATION >

[BOSE AUDIO WITHOUT NAVIGATION]

(LG)

Ground

Communication signal
(DISP

→

CONT)

Input

Ignition

switch

When adjusting display
brightness

(B)

Ground

Horizontal synchronizing
(HP) signal

Input

Ignition

switch

—

(BR)

Ground Signal ground

—

Ignition

switch

—

(R)

Ground Signal VCC

Output

Ignition

switch

ACC

—

(B)

Ground

—

Ignition
switch
ON

—

(V)

Ground

Communication signal
(CONT

→

DISP)

Output

Ignition

switch

When adjusting display
brightness

(W)

Ground

Vertical synchronizing (VP)
signal

Input

Ignition

switch

—

(SB)

Ground Inverter ground

—

Ignition

switch

—

(O)

Ground Inverter VCC

Output

Ignition

switch

ACC

—

(W)

Ground

Rear view camera video
signal ground

—

Ignition
switch
ON

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

–

Signal name

Input/

Output

PKIB5039J

SKIB3601E

PKIB5039J

SKIB3598E

August 2012

2012 Pathfinder

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