Nissan Murano. Manual — part 322

DAS-178

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

BLIND SPOT WARNING INDICATOR CIRCUIT

BLIND SPOT WARNING INDICATOR CIRCUIT

Diagnosis Procedure

INFOID:0000000009723385

1.

CHECK BSW INDICATOR CIRCUIT FOR OPEN 1

1.

Turn ignition switch OFF.

2.

Disconnect camera control unit harness connector and BSW indicator harness connector.

3.

Check continuity between camera control unit harness connector and BSW indicator harness connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the harnesses or connectors.

2.

CHECK BSW INDICATOR CIRCUIT FOR OPEN 2

Check continuity between BSW indicator harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the harnesses or connectors.

3.

CHECK BSW INDICATOR CIRCUIT FOR SHORT

1.

Turn ignition switch OFF.

2.

Disconnect camera control unit harness connector and BSW indicator harness connector.

3.

Check continuity between camera control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair the harnesses or connectors.

4.

CHECK CAMERA CONTROL UNIT VOLTAGE OUTPUT

1.

Connect camera control unit harness connector.

2.

Check voltage between BSW indicator harness connector and ground.

Camera control unit

BSW indicator

Continuity

Connector

Terminal

Connector

Terminal

B92

7 (LH)

D18 (LH)

1

Existed

8 (RH)

D54 (RH)

BSW indicator

Ground

Continuity

Connector

Terminal

D18 (LH)

2

Existed

D54 (RH)

Camera control unit

Ground

Continuity

Connector

Terminal

B92

7

Not existed

8

DAS

BLIND SPOT WARNING INDICATOR CIRCUIT

DAS-179

< DTC/CIRCUIT DIAGNOSIS >

[BSW]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

Is the inspection result normal?

YES

>> Replace BSW indicator.

NO

>> Replace camera control unit. Refer to

DAS-187, "Removal and Installation"

.

Terminal

Condition

Voltage

(Approx.)

(+)

(

−

)

BSW indicator

Ground

Connector

Terminal

D18 (LH)

1

Ignition switch
OFF

⇒

ON

(Approx. 2 sec.)

6 V

D54 (RH)

DAS-180

< SYMPTOM DIAGNOSIS >

[BSW]

BSW SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

BSW SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000009723386

CAUTION:

Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagno-
sis if any DTC is detected.
NOTE:
The operational conditions of BSW, refer to

DAS-109, "System Description"

.

Symptom

Possible cause

Inspection item/Reference page

Indicator/warning lamps do not il-
luminate when ignition switch
OFF

⇒

ON.

BSW warning lamp (Yellow)
does not illuminate

• Combination meter
• Camera control unit

BSW warning lamp does not
turned ON. Refer to

DAS-182,

"Diagnosis Procedure"

BSW ON indicator lamp
(Green) does not illuminate

• Combination meter
• Camera control unit

BSW ON indicator lamp does not
turned ON. Refer to

DAS-183,

"Diagnosis Procedure"

Warning systems ON indica-
tor (on the warning systems
switch) does not illuminate

• Harness between camera

control unit and warning sys-
tems switch

• Warning systems switch
• Camera control unit

Warning systems ON indicator
circuit. Refer to

DAS-169, "Diag-

nosis Procedure"

BSW ON indicator lamp
(Green) or BSW warning
lamp (Yellow) do not illumi-
nate

• Combination meter
• Camera control unit

• BSW warning lamp does not

turned ON. Refer to

DAS-182,

"Diagnosis Procedure"

• BSW ON indicator lamp. Refer

to

DAS-183, "Diagnosis Proce-

dure"

All of indicator/warning
lamps do not illuminate;
• BSW warning lamp
• BSW ON indicator lamp
• Warning systems ON indi-

cator

• Power supply and ground cir-

cuit of camera control unit

• Camera control unit
• Combination meter

Power supply and ground circuit
of camera control unit. Refer to

DAS-165, "CAMERA CONTROL
UNIT : Diagnosis Procedure"

BSW indicator does not turn
ON

• Harness between camera

control unit and BSW indica-
tor

• Camera control unit
• BSW indicator

BSW indicator circuit. Refer to

DAS-178, "Diagnosis Procedure"

BSW system is not activated.
(Indicator/warning lamps illumi-
nate when ignition switch OFF

⇒

ON.)

Warning systems ON indica-
tor is not turned ON

⇔

OFF

when operating warning sys-
tems switch

• Harness between camera

control unit and waning sys-
tems switch

• Harness between warning

systems switch and ground

• Camera control unit
• Warning systems switch

• Warning systems switch cir-

cuit.
Refer to

DAS-167, "Diagnosis

Procedure"

.

• BSW system setting cannot be

turned ON/OFF on the naviga-
tion screen.
Refer to

DAS-184, "Diagnosis

Procedure"

Buzzer is not sounding

• Combination meter
• Camera control unit

Meter buzzer circuit. Refer to

WCS-24, "Component Function
Check"

BSW functions are not are not timely

(Example)

• Does not function when approaching a adjacent vehicle while

BSW ON indicator lamp is illuminated

• Rear view camera calibration
• Rear view camera
• Camera control unit

Rear view camera calibration

DAS-53, "Description"

DAS

BSW SYSTEM SYMPTOMS

DAS-181

< SYMPTOM DIAGNOSIS >

[BSW]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

Rear view camera washer is not activated
(Rear window washer is functioning normally)

• Rear view camera washer re-

lay circuit

• Washer switching solenoid

valve circuit

• Pump control unit
• Camera control unit

• Rear view camera washer re-

lay circuit
Refer to

DAS-171, "Compo-

nent Function Check"

• Washer switching solenoid

valve circuit
Refer to

DAS-174, "Compo-

nent Function Check"

Rear view camera wash is insufficient

• Washer tube (include check

valve)

• Air tube
• Washer/Air nozzle

(Rear view camera)

Rear view camera washer/air
blower function
Refer to

DAS-48, "Inspection

Procedure"

Symptom

Possible cause

Inspection item/Reference page