Nissan Altima L32. Manual - part 950

MWI-52

< COMPONENT DIAGNOSIS >

WASHER LEVEL SWITCH SIGNAL CIRCUIT

Check continuity between washer level switch terminals 1 and 2.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace washer level switch.

Terminal

Washer fluid level

Continuity

1 - 2

Low

Yes

Other

No

AWNIA0310ZZ

MWI

AMBIENT SENSOR SIGNAL CIRCUIT

MWI-53

< COMPONENT DIAGNOSIS >

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AMBIENT SENSOR SIGNAL CIRCUIT

Description

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Transmits the ambient sensor signal to the combination meter.

Component Function Check

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1.

COMBINATION METER INPUT SIGNAL

1. Select “METER/M&A” on CONSULT-III.

2. Using “OUTSIDE TEMP” on “DATA MONITOR”, compare the value of DATA MONITOR with temperature

display on combination meter. DATA MONITOR and combination meter indications should be close.

Does the data monitor value approximately match the display on the combination meter?

YES

>> Inspection End.

NO

>> Replace combination meter. Refer to 

MWI-176, "Removal and Installation"

.

Diagnosis Procedure

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1.

CHECK AMBIENT SENSOR CIRCUITS BETWEEN COMBINATION METER AND IPDM E/R

1. Disconnect combination meter connector M24 and IPDM E/R

connector E18. 

2. Check continuity between combination meter harness connector

M24 (A) terminals 18, 20 and IPDM E/R harness connector E18

(B) terminals 20 and 21.

3. Check continuity between combination meter harness connector M24 (A) terminals 18, 20 and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK AMBIENT SENSOR CIRCUITS BETWEEN IPDM E/R AND AMBIENT SENSOR

1. Disconnect IPDM E/R connector E201 and ambient sensor con-

nector E211. 

2. Check continuity between IPDM E/R harness connector E201

(A) terminals 99, 100 and ambient sensor harness connector

E211 terminals 1 and 2.

3. Check continuity between IPDM E/R harness connector E201 (A) terminals 99, 100 and ground.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M24

18

E18

21

Yes

20

20

A

Ground

Continuity

Connector

Terminal

M24

18

No

20

AWNIA0024ZZ

A

B

Continuity

Connector

Terminal

Connector

Terminal

E201

99

E211

2

Yes

100

1

AWNIA0025ZZ

MWI-54

< COMPONENT DIAGNOSIS >

AMBIENT SENSOR SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-48, "Removal and Installation"

.

NO

>> Repair harness or connector.

Component Inspection

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Refer to 

HAC-51, "Component Inspection"

.

A

Ground

Continuity

Connector

Terminal

E201

99

No

100

MWI

COMPASS

MWI-55

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COMPASS

Wiring Diagram - Coupe

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