Nissan Qashqai J11. Manual - part 1794

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LIGHT & RAIN SENSOR

LIGHT & RAIN SENSOR

Component Function Check

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1.

CHECK FRONT WIPER AUTO OPERATION

1.

Clean rain sensor detection area of windshield fully.

2.

When the front wiper switch is turned to AUTO position, front wiper operates once regardless of a rainy
condition.

Is front wiper (AUTO) operation normally?

YES

>> Rain sensor circuit is normal.

NO

>> Refer to 

WW-54, "Diagnosis Procedure"

.

Diagnosis Procedure

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1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check that the following fuse is not fusing.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the fuse after repairing the applicable circuit.

2.

CHECK RAIN SENSOR POWER SUPPLY

1.

Disconnect light & rain sensor connector.

2.

Turn ignition switch ON.

3.

Check voltage between rain sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 3.

3.

CHECK INTERIOR ROOM LAMP RELAY CIRCUIT 1

1.

Turn ignition switch OFF.

2.

Remove interior room lamp relay.

3.

Check voltage between interior room lamp relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harnesses.

4.

CHECK INTERIOR ROOM LAMP RELAY

Check interior room lamp relay.
Refer to 

WW-56, "Component Inspection"

.

Fuse No.

Capacity

22

10 A

(+)

(

−

)

Voltage (Approx.)

Light & rain sensor

Connector

Terminal

R5

1

Ground Battery 

voltage

(+)

(-)

Voltage

Interior room lamp relay

Connector

Terminal

M80

1

Ground

Battery voltage

6

LIGHT & RAIN SENSOR

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Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair interior room lamp relay.

5.

CHECK INTERIOR ROOM LAMP RELAY CIRCUIT 2

1.

Disconnect light & rain connector.

2.

Check continuity between interior room lamp relay harness connector and light & rain harness connector.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harnesses.

6.

CHECK INTERIOR ROOM LAMP RELAY CIRCUIT 3

1.

Disconnect BCM connector.

2.

Check continuity between interior room lamp relay harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-132, "Removal and Installation"

.

NO

>> Repair or replace harnesses.

7.

CHECK LIGHT & RAIN SENSOR GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between rain sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace harness.

8.

CHECK LIGHT & RAIN SENSOR SIGNAL

1.

Connect light & rain sensor connector.

2.

Turn ignition switch ON.

3.

Check voltage between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

Interior room lamp relay

Light & rain

Continuity

Connector

Terminal

Connector

Terminal

M80

7

R5

1

Existed

Interior room lamp relay

BCM

Continuity

Connector

Terminal

Connector

Terminal

M80

2

M70

44

Existed

Light & rain sensor

—

Continuity

Connector

Terminal

R5

3

Ground

Existed

(+)

(

−

)

Condition

Voltage

BCM

Connector

Terminal

M70

47

Ground Ignition 

switch 

ON

Approx. 8.7V

JPMIA0156GB

WW-56

< DTC/CIRCUIT DIAGNOSIS >

LIGHT & RAIN SENSOR

YES

>> Replace light & rain sensor.

NO

>> GO TO 9.

9.

CHECK RAIN SENSOR SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and light & rain sensor connector.

3.

Check continuity between BCM harness connector and light & rain sensor harness connector.

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-132, "Removal and Installation"

.

NO

>> Repair or replace harness.

Component Inspection

INFOID:0000000010503212

1.

CHECK INTERIOR ROOM LAMP RELAY

1.

Turn ignition switch OFF.

2.

Remove interior room lamp relay.

3.

Check continuity between interior room lamp relay terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace interior room lamp relay.

BCM

Light & rain sensor

Continuity

Connector

Terminal

Connector

Terminal

M70

47

R5

2

Existed

BCM

—

Continuity

Connector

Terminal

M70

47

Ground

Existed

Interior room lamp relay

Condition

Continuity

Terminal

6

7

12 V direct current supply between terminals 1 and 2.

Existed

No current supply

Not existed

WASHER SWITCH

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WASHER SWITCH

Component Inspection

INFOID:0000000010430983

1.

CHECK WASHER SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect combination switch connector.

3.

Check continuity between the combination switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace combination switch.

Combination switch

Condition

Continuity

Terminal

11

16

Front washer switch ON

Existed

14

9

11

14

Rear washer switch ON

16

9