Nissan Xterra. Manual - part 506

MWI

METER SYSTEM

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< SYSTEM DESCRIPTION >

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ENGINE COOLANT TEMPERATURE GAUGE : System Description

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The engine coolant temperature gauge indicates the engine coolant temperature.

The ECM provides an engine coolant temperature signal to the combination meter via CAN communication

lines.

ENGINE COOLANT TEMPERATURE GAUGE : Component Parts Location

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ENGINE COOLANT TEMPERATURE GAUGE : Component Description

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FUEL GAUGE

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1.

Combination meter M24

2.

Fuel level sensor unit and fuel pump C5 
(view with fuel tank removed)

3.

ECM E16 (view with ECM cover re-
moved)
A. Coolant reservoir

4.

ABS actuator and electric unit (control 
unit) E125

5.

Oil pressure switch E208
A. Oil pan (upper)

6.

A/T assembly F9

7.

BCM M18, M19 (view with lower instru-
ment panel LH removed)

8.

IPDM E/R E122, E124

Unit

Description

Combination meter

Indicates the engine coolant temperature according to the engine coolant temperature signal re-
ceived from ECM via CAN communication. 

ECM

Transmits the engine coolant temperature signal to the combination meter via CAN communication. 

MWI-12

< SYSTEM DESCRIPTION >

METER SYSTEM

FUEL GAUGE : System Diagram

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FUEL GAUGE : System Description

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The fuel gauge indicates the approximate fuel level in the fuel tank.

The fuel gauge is regulated by the unified meter control unit and a variable resistor signal supplied by the fuel

level sensor unit.

FUEL GAUGE : Component Parts Location

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1.

Combination meter M24

2.

Fuel level sensor unit and fuel pump C5 
(view with fuel tank removed)

3.

ECM E16 (view with ECM cover re-
moved)
A. Coolant reservoir

4.

ABS actuator and electric unit (control 
unit) E125

5.

Oil pressure switch E208
A. Oil pan (upper)

6.

A/T assembly F9

7.

BCM M18, M19 (view with lower instru-
ment panel LH removed)

8.

IPDM E/R E122, E124

MWI

METER SYSTEM

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< SYSTEM DESCRIPTION >

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FUEL GAUGE : Component Description

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ENGINE OIL PRESSURE GAUGE
ENGINE OIL PRESSURE GAUGE : System Diagram

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ENGINE OIL PRESSURE GAUGE : System Description

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The engine oil pressure gauge indicates whether the engine oil pressure is low or normal.

The oil pressure gauge is controlled by the IPDM E/R. The IPDM E/R reads the ON/OFF signals from the oil

pressure switch and transmits the oil pressure switch signal to the combination meter via BCM with the CAN

communication line. The oil pressure gauge displays a low or normal indication according to the oil pressure

switch signal received via CAN communication.

ENGINE OIL PRESSURE GAUGE : Component Parts Location

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Unit

Description

Combination meter

Indicates the fuel level according to the fuel level sensor signal received from the fuel level sensor 
unit. 

Fuel level sensor unit

Refer to 

MWI-33, "Description"

.

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MWI-14

< SYSTEM DESCRIPTION >

METER SYSTEM

ENGINE OIL PRESSURE GAUGE : Component Description

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VOLTAGE GAUGE
VOLTAGE GAUGE : System Diagram

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VOLTAGE GAUGE : System Description

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The voltage gauge indicates the battery/charging system voltage.

The voltage gauge is regulated by the unified meter control unit.

1.

Combination meter M24

2.

Fuel level sensor unit and fuel pump C5 
(view with fuel tank removed)

3.

ECM E16 (view with ECM cover re-
moved)
A. Coolant reservoir

4.

ABS actuator and electric unit (control 
unit) E125

5.

Oil pressure switch E208
A. Oil pan (upper)

6.

A/T assembly F9

7.

BCM M18, M19 (view with lower instru-
ment panel LH removed)

8.

IPDM E/R E122, E124

Unit

Description

Combination meter

Indicates the engine oil pressure (low/normal) according to the oil pressure switch signal received 
from BCM with CAN communication line. 

IPDM E/R

Reads the ON/OFF signals from the oil pressure switch and transmits the oil pressure switch signal 
to the combination meter via BCM with the CAN communication line. 

Oil pressure switch

Refer to 

MWI-36, "Description"

. 

BCM

Transmits the oil pressure switch signal received from IPDM E/R via CAN communication to the 
combination meter via CAN communication. 

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