Nissan Murano. Manual - part 299

DAS-86

< DTC/CIRCUIT DIAGNOSIS >

[LDW]

WASHER LEVEL SWITCH SIGNAL CIRCUIT

WASHER LEVEL SWITCH SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009723283

1.

CHECK WASHER LEVEL SWITCH INPUT SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector and camera control unit.

3.

Check continuity between combination meter harness connector and camera control unit harness connec-
tor.

4.

Disconnect washer level switch harness connector.

5.

Check continuity between camera control unit harness connector and the ground.

Is the inspection result normal? 

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK WASHER LEVEL SWITCH SIGNAL CIRCUIT

Check washer level switch signal circuit. Refer to 

MWI-49, "Diagnosis Procedure"

.

Is the inspection result normal? 

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK WASHER LEVEL SWITCH

Perform a unit check for the washer level switch. Refer to 

MWI-50, "Component Inspection"

.

Is the inspection result normal? 

YES

>> Replace camera control unit. Refer to 

DAS-94, "Removal and Installation"

.

NO

>> Replace washer tank. Refer to 

WW-128, "Removal and Installation"

.

Combination meter

Camera control unit

Continuity

Connector

Terminal

Connector

Terminal

M34

29

B93

40

Existed

Camera control unit

Ground

Continuity

Connector

Terminal

B93

40

Not existed

DAS

LDW SYSTEM SYMPTOMS

DAS-87

< SYMPTOM DIAGNOSIS >

[LDW]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

SYMPTOM DIAGNOSIS

LDW SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000009723284

NOTE:
For the operational conditions of Lane Departure Warning (LDW), refer to 

DAS-12, "System Description"

.

Symptom

Possible cause

Inspection item/Reference page

Indicator/warning lamps do not 
illuminate when ignition switch 
OFF 

⇒

 ON

Lane departure warning 
lamp (Yellow) does not illu-
minate.

• Combination meter
• Camera control unit

Lane departure warning lamp 
does not turned ON
Refer to 

DAS-89, "Description"

LDW ON indicator lamp 
(Green) does not illuminate.

• Combination meter
• Camera control unit

LDW ON indicator lamp does not 
turned ON
Refer to 

DAS-90, "Description"

Warning systems ON indica-
tor 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-78, "Component 

Function Check"

Lane departure warning 
lamp (Yellow) or LDW ON in-
dicator lamp (Green) does 
not illuminate.

• Combination meter
• Camera control unit

• Lane departure warning lamp 

does not turned ON
Refer to 

DAS-89, "Descrip-

tion"

• LDW ON indicator lamp does 

not turned ON
Refer to 

DAS-90, "Descrip-

tion"

All of indicator/warning 
lamps does not illuminate;
• Lane departure warning 

lamp (Yellow)

• LDW ON indicator lamp 

(Green)

• Warning systems ON indi-

cator

• Power supply and ground cir-

cuit of camera control unit

• Camera control unit

Power supply and ground circuit 
of camera control unit
Refer to 

DAS-74, "CAMERA 

CONTROL UNIT : Diagnosis 
Procedure"

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

⇒

 ON)

LDW ON indicator lamp is 
not turned ON 

⇔

 OFF when 

operating warning systems 
switch

• Harness between camera 

control unit and warning sys-
tems switch

• Harness between warning 

systems switch and ground

• Warning systems switch
• Camera control unit

• Warning systems switch cir-

cuit
Refer to 

DAS-76, "Component 

Function Check"

• LDW system setting can not 

be turned ON/OFF on the nav-
igation screen
Refer to 

DAS-92, "Diagnosis 

Procedure"

Warning buzzer is not 
sounding.
(Lane departure warning 
lamp is activated.)

• Combination meter
• Camera control unit

Meter buzzer circuit
Refer to 

WCS-24, "Component 

Function Check"

Warning functions are not timely

(Example)

• Does not function when driving on lane markers
• Functions when driving in a lane
• Functions in a different position from the actual position.

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

Rear view camera calibration

DAS-53, "Description"

Functions when changing the course in direction of the turn sig-
nal

Turn indicator signal (CAN)
• BCM
• Camera control unit

System operates even when us-
ing turn signal
Refer to 

DAS-91, "Description"

DAS-88

< SYMPTOM DIAGNOSIS >

[LDW]

LDW SYSTEM SYMPTOMS

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-80, "Component 

Function Check"

• Washer switching solenoid 

valve circuit
Refer to 

DAS-83, "Component 

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

DAS

LANE DEPARTURE WARNING LAMP DOES NOT TURNED ON

DAS-89

< SYMPTOM DIAGNOSIS >

[LDW]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

LANE DEPARTURE WARNING LAMP DOES NOT TURNED ON

Description

INFOID:0000000009723285

The lane departure warning lamp in the combination meter does not turn ON when turning on the ignition
switch

Diagnosis Procedure

INFOID:0000000009723286

1.

CHECK COMBINATION METER

Turn the ignition switch from OFF to ON to check that “LDW IND” included in “DATA MONITOR” in “METER/
M&A” operates normally.

Is the inspection result normal?

YES

>> Replace the combination meter. Refer to 

MWI-105, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK SELF-DIAGNOSIS RESULTS OF COMBINATION METER

1.

Perform “All DTC Reading” with CONSULT.

2.

Check if the DTC is detected in self-diagnosis results of “METER/M&A”. Refer to 

MWI-77, "DTC Index"

.

Is any DTC detected?

YES

>> Repair or replace malfunctioning parts.

NO

>> GO TO 3.

3.

CHECK SELF-DIAGNOSIS RESULTS OF CAMERA CONTROL UNIT

Check if the DTC is detected in self-diagnosis results of “AVM” Refer to 

DAS-30, "DTC Index"

.

Is any DTC detected?

YES

>> Repair or replace malfunctioning parts.

NO

>> Replace the camera control unit. Refer to 

DAS-94, "Removal and Installation"

.