Nissan Altima L32. Manual - part 939

MWI-8

< FUNCTION DIAGNOSIS >

METER SYSTEM

AWNIA0308ZZ

MWI

METER SYSTEM

MWI-9

< FUNCTION DIAGNOSIS >

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METER SYSTEM : Component Description

INFOID:0000000004204049

1.

Combination meter M24

2.

IPDM E/R E17, E18, E201, F10

3.

ECM E10

4.

TCM F16

5.

BCM M17, M18, M19, M21 (view with 
instrument panel removed)

6.

ABS actuator and electric unit (control 
unit) E26

7.

Fuel level sensor unit and fuel pump 
(fuel level sensor) B42 (view with rear 
seat and inspection hole cover re-
moved)

8.

Ambient sensor E211 (view of front 
bumper fascia)

9.

Oil pressure switch F41 (QR25DE) 
(view with engine removed)

10. Oil pressure switch F41 (VQ35DE) 

(view with engine removed)

11. Parking brake switch M73

(Sedan with M/T and Coupe)
(view with center console removed)

12. Parking brake switch E35

(Sedan with CVT)
(view with instrument lower cover LH 
removed)

AWNIA0747ZZ

Unit

Description

Combination meter

Controls the following with the signals received from each unit via CAN communication and the sig-
nals from switches and sensors. 

• Speedometer

• Tachometer

• Engine coolant temperature gauge

• Fuel gauge

• Odo/trip meter

• Warning lamps

• Indicator lamps

• Warning chime

• Information display

IPDM E/R

IPDM E/R reads the ON/OFF signals of the oil pressure switch and transmits the oil pressure switch 
signal to the combination meter via BCM with CAN communication line.

Fuel level sensor unit

Refer to 

MWI-46, "Description"

.

Oil pressure switch

Refer to 

MWI-48, "Description"

.

ECM

Transmits the following signals to the combination meter with CAN communication line.

• Engine speed signal

• Engine coolant temperature signal

• Fuel consumption monitor signal

ABS actuator and electric unit 
(control unit)

Transmits the vehicle speed signal to the combination meter with CAN communication line.

BCM

• Transmits signals provided by various units to the combination meter with CAN communication 

line.

• Transmits the security signal to the combination meter.

TCM

Transmits shift position signal to the combination meter with CAN communication line.

Washer level switch

Transmits the washer level signal to the combination meter.

MWI-10

< FUNCTION DIAGNOSIS >

METER SYSTEM

SPEEDOMETER
SPEEDOMETER : System Diagram

INFOID:0000000004204050

SPEEDOMETER : System Description

INFOID:0000000004204051

The ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via

CAN communication lines.

Brake fluid level switch

Transmits the brake fluid level switch signal to the combination meter.

Parking brake switch

Refer to 

MWI-49, "Description"

.

Unit

Description

WKIA5370E

MWI

METER SYSTEM

MWI-11

< FUNCTION DIAGNOSIS >

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SPEEDOMETER : Component Parts Location

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