Nissan Pathfinder (2010 year). Manual

AV-7

Description ............................................................

344

DTC Logic .............................................................

344

Diagnosis Procedure ............................................

344

U1010 CONTROL UNIT (CAN) ........................

345

Description ............................................................

345

DTC Logic .............................................................

345

Diagnosis Procedure .............................................

345

U1200 AV CONTROL UNIT .............................

346

Description ............................................................

346

DTC Logic .............................................................

346

U1201 AV CONTROL UNIT .............................

347

Description ............................................................

347

DTC Logic .............................................................

347

U1204 GPS COMM ..........................................

348

Description ............................................................

348

DTC Logic .............................................................

348

U1205 GPS ROM .............................................

349

Description ............................................................

349

DTC Logic .............................................................

349

U1206 GPS RAM ..............................................

350

Description ............................................................

350

DTC Logic .............................................................

350

U1207 GPS RTC ..............................................

351

Description ............................................................

351

DTC Logic .............................................................

351

U1216 AV CONTROL UNIT .............................

352

Description ............................................................

352

DTC Logic .............................................................

352

U1217 AV CONTROL UNIT .............................

353

Description ............................................................

353

DTC Logic .............................................................

353

U1218 AV CONTROL UNIT .............................

354

Description ............................................................

354

DTC Logic .............................................................

354

U1219 AV CONTROL UNIT .............................

355

Description ............................................................

355

DTC Logic .............................................................

355

U1220 AV CONTROL UNIT .............................

356

Description ............................................................

356

DTC Logic .............................................................

356

U121A AV CONTROL UNIT .............................

357

Description ............................................................

357

DTC Logic .............................................................

357

U121B AV CONTROL UNIT .............................

358

Description ............................................................

358

DTC Logic .............................................................

358

U121C AV CONTROL UNIT .............................

359

Description .............................................................

359

DTC Logic ..............................................................

359

U121D AV CONTROL UNIT ...........................

360

Description .............................................................

360

DTC Logic ..............................................................

360

U121E AV CONTROL UNIT ............................

361

Description .............................................................

361

DTC Logic ..............................................................

361

U121F AV CONTROL UNIT ............................

362

Description .............................................................

362

DTC Logic ..............................................................

362

Diagnosis Procedure .............................................

362

U1243 DISPLAY UNIT ....................................

363

Description .............................................................

363

DTC Logic ..............................................................

363

Diagnosis Procedure .............................................

363

U1244 GPS ANTENNA ...................................

365

Description .............................................................

365

DTC Logic ..............................................................

365

Diagnosis Procedure .............................................

365

U1250 CAMERA CONTROL UNIT .................

366

Description .............................................................

366

DTC Logic ..............................................................

366

Diagnosis Procedure .............................................

366

U1258 SATELLITE RADIO ANTENNA ..........

368

Description .............................................................

368

DTC Logic ..............................................................

368

Diagnosis Procedure .............................................

368

U1300 AV COMM CIRCUIT ............................

369

Description .............................................................

369

U1310 AV CONTROL UNIT ............................

370

Description .............................................................

370

DTC Logic ..............................................................

370

POWER SUPPLY AND GROUND CIRCUIT ..

371

AV CONTROL UNIT ................................................

371

AV CONTROL UNIT : Diagnosis Procedure .........

371

DISPLAY UNIT .........................................................

372

DISPLAY UNIT : Diagnosis Procedure ..................

372

A/C AND AV SWITCH ASSEMBLY ........................

373

A/C AND AV SWITCH ASSEMBLY : Diagnosis
Procedure ..............................................................

373

BOSE SPEAKER AMP ............................................

374

BOSE SPEAKER AMP : Diagnosis Procedure .....

374

SUBWOOFER ..........................................................

374

SUBWOOFER : Diagnosis Procedure ...................

375

REAR VIEW CAMERA CONTROL UNIT ................

375

2010 Pathfinder

DIAGNOSIS AND REPAIR WORKFLOW

AV-11

< BASIC INSPECTION >

[BASE AUDIO]

Is malfunctioning part detected?

YES

>> GO TO 4

>> GO TO 2

REPAIR OR REPLACE THE MALFUNCTIONING PART

1. Repair or replace the malfunctioning part.

2. Reconnect parts or connectors disconnected during Diagnostic Procedure.

>> GO TO 5

FINAL CHECK

Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Has the symptom been repaired?

YES

>> Inspection End.

>> GO TO 2

2010 Pathfinder

AUDIO SYSTEM

AV-13

< FUNCTION DIAGNOSIS >

[BASE AUDIO]

Component Description

INFOID:0000000005259249

Front tweeter LH M109

Audio unit M38

Front tweeter RH M111

Front door speaker
LH D12
RH D112

Rear door speaker
LH D209
RH D309

Part name

Description

Audio unit

Controls audio system functions

Front door speakers

• Outputs audio signal from audio unit
• Outputs high, mid and low range sounds

Front tweeters

• Outputs audio signal from audio unit
• Outputs high range sounds

Rear door speakers

• Outputs audio signal from audio unit
• Outputs high, mid and low range sounds

2010 Pathfinder

AV-14

< COMPONENT DIAGNOSIS >

[BASE AUDIO]

POWER SUPPLY AND GROUND CIRCUIT

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure

INFOID:0000000005259250

Regarding Wiring Diagram information, refer to

AV-23, "Wiring Diagram"

CHECK FUSES

Check that the following fuses are not blown.

Are the fuses OK?

YES

>> GO TO 2

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

POWER SUPPLY CIRCUIT CHECK

1. Disconnect audio unit connector M38.

2. Check voltage between the audio unit connector M38 and

ground.

Are the voltage results as specified?

YES

>> GO TO 3

>> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

GROUND CIRCUIT CHECK

Inspect audio unit case ground.
Does case ground pass inspection?

YES

>> Inspection End.

>> Repair audio unit case ground.

Unit

Terminals

Signal name

Fuse No.

Audio unit

Battery power

Ignition switch ACC or ON

(+)

(-)

OFF

ACC

Connector

Terminal

M38

Ground

Battery
voltage

Ground

Battery
voltage

WKIA5769E

2010 Pathfinder

Nissan Pathfinder (2010 year). Manual - part 25