Infiniti EX35. Manual - part 1333

 

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Infiniti EX35. Manual - part 1333

 

 

SN

POWER SUPPLY AND GROUND CIRCUIT

SN-23

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

POWER SUPPLY AND GROUND CIRCUIT

SONAR CONTROL UNIT

SONAR CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003160568

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

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 ON.

2.

Check voltage between sonar control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace sonar control unit power supply harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect sonar control unit connector.

3.

Check continuity between sonar control unit harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace sonar control unit ground harness.

Power source

Fuse No.

Ignition switch ON or START 

3

Sonar control unit

Ground

Voltage

(Approx.)

Connector

Terminal

M44

13

Battery voltage

Sonar control unit

Ground

Continuity

Connector

Terminal

M44

24

Existed

SN-24

< COMPONENT DIAGNOSIS >

P RANGE SIGNAL CIRCUIT

P RANGE SIGNAL CIRCUIT

Description

INFOID:0000000003160569

The sonar control unit turns the sonar system activation OFF when inputting P range signal.

Component Function Check

INFOID:0000000003160570

1.

SONAR CONTROL UNIT DATA MONITOR INSPECTION

Check the cancel switch with the sonar control unit data monitor.

P range

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003160571

1.

CHECK P RANGE SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between sonar control unit harness connector and ground. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Vehicle condition

Indication

Shift position in P position

: ON

Other than shift position in 
P position

: OFF

(+)

(

)

Condition

Voltage

(Approx.)

Sonar control unit

Connector

Terminal

M44

16

Ground

Shift position in P position.

0 V

Other than shift position in P position.

12.0 V

SN

R RANGE SIGNAL CIRCUIT

SN-25

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

R RANGE SIGNAL CIRCUIT

Description

INFOID:0000000003160572

The sonar control unit turns the sonar system activation OFF when inputting the reverse signal.

Component Function Check

INFOID:0000000003160573

1.

SONAR CONTROL UNIT DATA MONITOR INSPECTION

Check the cancel switch with the sonar control unit data monitor.

R range

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003160574

1.

CHECK P RANGE SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between sonar control unit harness connector and ground. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Vehicle condition

Indication

Shift position in R position

: ON

Other than shift position in 
R position

: OFF

(+)

(

)

Condition

Voltage

(Approx.)

Sonar control unit

Connector

Terminal

M44

17

Ground

Shift position in R position.

12.0 V

Other than shift position in R position.

0 V

SN-26

< COMPONENT DIAGNOSIS >

BUZZER CIRCUIT

BUZZER CIRCUIT

Description

INFOID:0000000003160575

The sonar control unit outputs the buzzer signal when the rear sonar detects the obstacle.

Component Function Check

INFOID:0000000003160576

1.

SONAR CONTROL UNIT ACTIVE TEST

Check the buzzer operation with the sonar control unit active test.

BUZZER

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000003160577

1.

CHECK BUZZER POWER SUPPLY

1.

Turn ignition switch ON.

2.

Check voltage between buzzer harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK HARNESS BUZZER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect sonar control unit connector and buzzer connector.

3.

Check continuity between sonar control unit harness connector and buzzer harness connector.

4.

Check continuity between sonar control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK SIGNAL SONAR CONTROL UNIT

1.

Connect sonar control unit connector and buzzer connector.

2.

Check signal between sonar control unit harness connector and ground.

Test item

Condition

FRONT ON

: FRONT BUZZER ON

REAR ON

: REAR BUZZER ON

(+)

(

)

Voltage

(Approx.)

Buzzer

Connector

Terminal

B231

1

Ground

Battery voltage

Sonar control unit

Buzzer

Continuity

Connector

Terminal

Connector

Terminal

M44

23

B231

2

Existed

Sonar control unit

Ground

Continuity

Connector

Terminal

M44

23

Not existed

 

 

 

 

 

 

 

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