Nissan Sentra. Manual - part 654

MWI-62

< DTC/CIRCUIT DIAGNOSIS >

AMBIENT SENSOR SIGNAL CIRCUIT

AMBIENT SENSOR SIGNAL CIRCUIT

Description

INFOID:0000000009758289

It detects outside air temperature and converts it into a resistance value which is then input into the combina-

tion meter.

Diagnosis Procedure

INFOID:0000000009758290

Regarding Wiring Diagram information, refer to 

MWI-28, "Wiring Diagram"

.

1.

CHECK AMBIENT SENSOR SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect combination meter connector and ambient sensor connector.

3. Check continuity between combination meter harness connector and ambient sensor harness connector.

4. Check continuity between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connector.

2.

CHECK AMBIENT SENSOR SIGNAL GROUND CIRCUIT

Check continuity between combination meter harness connector and ambient sensor harness connector.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connector.

Component Inspection

INFOID:0000000009758291

1.

CHECK AMBIENT SENSOR

1. Turn ignition switch OFF.

2. Disconnect ambient sensor connector.

3. Check resistance between ambient sensor terminals.

Combination meter

Ambient sensor

Continuity

Connector

Terminal

Connector

Terminal

M24

19

E67

1

Yes

Combination meter

Ground

Continuity

Connector

Terminal

M24

19

No

Combination meter

Ambient sensor

Continuity

Connector

Terminal

Connector

Terminal

M24

20

E67

2

Yes

MWI

AMBIENT SENSOR SIGNAL CIRCUIT

MWI-63

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace ambient sensor. Refer to 

HAC-106, "Removal and Installation"

.

Terminal

Condition

Resistance: k

Ω

Temperature: 

°C (°F)

1

2

 

−15 (5)

12.73

 

−10 (14)

9.92

 

−5 (23)

7.80

0 (32)

6.19

5 (41)

4.95

10 (50)

3.99

15 (59)

3.24

20 (68)

2.65

25 (77)

2.19

30 (86)

1.81

35 (95)

1.51

40 (104)

1.27

45 (113)

1.07

MWI-64

< DTC/CIRCUIT DIAGNOSIS >

A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT

A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT

Description

INFOID:0000000009758292

A/C auto amp. transmits the A/C auto amp. connection recognition signal to the combination meter.

Diagnosis Procedure (With Manual A/C)

INFOID:0000000010295727

Regarding Wiring Diagram information, refer to 

MWI-28, "Wiring Diagram"

.

1.

CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL

1. Turn ignition switch ON.

2. Check voltage between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect combination meter connector and A/C auto amp. connector.

3. Check continuity between combination meter harness connector and A/C auto amp. harness connector.

4. Check continuity between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connector.

(+)

(

−)

Voltage

(Approx.)

Combination meter

Ground

5 V

Connector

Terminal

M24

32

Combination meter

A/C auto amp.

Continuity

Connector

Terminal

Connector

terminal

M24

32

M33

23

Yes

Combination meter

Ground

Continuity

Connector

Terminal

M24

32

No

MWI

WASHER FLUID LEVEL SWITCH CIRCUIT

MWI-65

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

WASHER FLUID LEVEL SWITCH CIRCUIT

Description

INFOID:0000000009758294

Transmits the washer level switch signal to the combination meter.

Diagnosis Procedure

INFOID:0000000009758295

Regarding Wiring Diagram information, refer to 

MWI-28, "Wiring Diagram"

.

1.

CHECK WASHER LEVEL SWITCH SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect combination meter connector and washer fluid level switch connector.

3. Check continuity between combination meter harness connector and washer fluid level switch harness

connector.

4. Check continuity between combination meter harness connector and ground.

Is the inspection result normal? 

YES

>> GO TO 2.

NO

>> Repair or replace harness or connector.

2.

CHECK WASHER FLUID LEVEL SWITCH GROUND CIRCUIT

Check continuity between washer fluid level switch connector and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connector.

Component Inspection

INFOID:0000000009758296

1.

CHECK WASHER FLUID LEVEL SWITCH

Check continuity between washer fluid level switch terminals 1 and 2.

Is the inspection result normal?

Terminals

Continuity

Combination meter

Washer fluid level switch

Connector

Terminal

Connector

Terminal

M24

17

E65

1

Yes

Terminals

Continuity

Combination meter

Ground

Connector

Terminal

M24

17

No

Terminals

Continuity

Washer level switch

Ground

Connector

Terminal

E65

2

Yes

Terminal

Washer fluid level

Continuity

1 - 2

Low

Yes

High

No