Infiniti QX56 (JA60). Manual — part 869

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DRIVER INFORMATION & MULTIMEDIA

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SECTION

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CONTENTS

SONAR SYSTEM

BASIC INSPECTION . . . . . . . . .

3

DIAGNOSIS AND REPAIR WORKFLOW . . ..

3

Work Flow . . . . . . . . . . . . . . . .....

3

INSPECTION AND ADJUSTMENT . . . . . .

5

Preliminary Check . . . . . . . . . . . . .....

5

FUNCTION DIAGNOSIS . . . . . . . ...

6

REAR SONAR SYSTEM . . . . . . . . . .

6

System Diagram . . . . . . . . . . . . . ....

6

System Description . . . . . . . . . . . . ...

6

Component Parts Location . . . . . . . . . ....

7

Component Description . . . . . . . . . . .....

7

Self-Diagnosis Function . . . . . . . . . . ....

7

FRONT AND REAR SONAR SYSTEM . . . ..

10

System Diagram . . . . . . . . . . . . . ..

10

System Description . . . . . . . . . . . . .

10

Component Parts Location . . . . . . . . . ..

11

Component Description . . . . . . . . . . ...

12

CONSULT-III Function (SONAR) . . . . . . .

12

COMPONENT DIAGNOSIS . . . . . . .

13

POWER SUPPLY AND GROUND CIRCUIT . ..

13

Diagnosis Procedure (With Rear Sonar System) .

13

Diagnosis Procedure (With Front and Rear Sonar
System) . . . . . . . . . . . . . . . . ...

13

SONAR SENSOR CIRCUIT INSPECTION . .

15

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

15

Diagnosis Procedure (With Rear Sonar System) .

15

Diagnosis Procedure (With Front and Rear Sonar
System) . . . . . . . . . . . . . . . . ...

15

SONAR BUZZER CIRCUIT INSPECTION . . .

17

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

17

Diagnosis Procedure (With Rear Sonar System) .

17

Diagnosis Procedure (With Front and Rear Sonar
System) . . . . . . . . . . . . . . . . ...

17

Component Inspection . . . . . . . . . . . .

18

SONAR SYSTEM OFF SWITCH CIRCUIT IN-
SPECTION . . . . . . . . . . . . . .

19

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

19

Diagnosis Procedure (With Rear Sonar System) .

19

Diagnosis Procedure (With Front and Rear Sonar
System) . . . . . . . . . . . . . . . . ...

19

Component Inspection . . . . . . . . . . . .

20

ECU DIAGNOSIS . . . . . . . . . . .

21

SONAR CONTROL UNIT FOR REAR SONAR
SYSTEM . . . . . . . . . . . . . . .

21

Reference Value . . . . . . . . . . . . . ..

21

Wiring Diagram . . . . . . . . . . . . . .

23

DTC Index . . . . . . . . . . . . . . . ...

30

SONAR CONTROL UNIT FOR FRONT AND
REAR SONAR SYSTEM . . . . . . . . ...

31

Reference Value . . . . . . . . . . . . . ..

31

Wiring Diagram . . . . . . . . . . . . . .

33

DTC Index . . . . . . . . . . . . . . . ...

44

SYMPTOM DIAGNOSIS . . . . . . . ..

45

SONAR SYSTEM SYMPTOMS . . . . . .

45

Symptom Table . . . . . . . . . . . . . ...

45

PRECAUTION . . . . . . . . . . . ..

46

PRECAUTION . . . . . . . . . . . . ...

46

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . . .

46

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . ...

46

PREPARATION . . . . . . . . . . ...

48

PREPARATION . . . . . . . . . . . . .

48

Commercial Service Tool . . . . . . . . . .

48

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REMOVAL AND INSTALLATION . . . ...

49

SONAR SENSOR . . . . . . . . . . . ..

49

Removal and Installation . . . . . . . . . ....

49

SONAR CONTROL UNIT . . . . . . . . ..

50

Removal and Installation . . . . . . . . . . .

50

BUZZER . . . . . . . . . . . . . . . .

51

Removal and Installation . . . . . . . . . . .

51

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DIAGNOSIS AND REPAIR WORKFLOW

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< BASIC INSPECTION >

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000005146182

WORK FLOW

DETAILED FLOW

1.

CUSTOMER INFORMATION

Interview the customer to obtain detailed information about the symptom.

>> GO TO 2

2.

PRELIMINARY CHECK

Perform preliminary check. Refer to

SN-5, "Preliminary Check"

.

>> GO TO 3

3.

SELF-DIAGNOSIS

AWNIA1592GB

SN-4

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

Perform self-diagnosis. Refer to

SN-7, "Self-Diagnosis Function"

(with rear sonar system) or

SN-12, "CON-

SULT-III Function (SONAR)"

(with front and rear sonar system).

>> GO TO 4

4.

SYMPTOM

Check for symptoms. Refer to

SN-45, "Symptom Table"

.

>> GO TO 5

5.

MALFUNCTIONING PARTS

Repair or replace the applicable parts.

>> GO TO 6

6.

SYSTEM OPERATION

Check system operation. Refer to

SN-5, "Preliminary Check"

.

>> GO TO 7

7.

SELF-DIAGNOSIS

Perform self-diagnosis. Refer to

SN-7, "Self-Diagnosis Function"

(with rear sonar system) or

SN-12, "CON-

SULT-III Function (SONAR)"

(with front and rear sonar system).

Are any fault codes displayed?

YES

>> GO TO 5

NO

>> Inspection End.