Infiniti G35 (V35) Sedan. Manual — part 944

tor lamps/warning lamps and information display from the communication signals from the unified meter and
A/C amp. and the signals from various switches and sensors.

• The combination meter incorporates a trip computer that displays warnings and messages on the informa-

tion display according to the information received from various units.

• The combination meter incorporates a buzzer function that sounds an audible alarm with the integrated

buzzer device. Refer to

WCS-4, "WARNING CHIME SYSTEM : System Description"

for further details.

• The combination meter integrates the meter circuit check function and the segment check function that

checks the information display operation.

UNIFIED METER AND A/C AMP.

• Receives information required by the combination meter from various units via CAN communication line and

transmits it to the combination meter with communication line.

• The unified meter and A/C amp. incorporates a power saving control function that reduces the power con-

sumption according to the vehicle status. Refer to

BCS-10, "System Description"

for details.

• The unified meter and A/C amp. incorporates a diagnosis function that allows the technician to perform diag-

noses with CONSULT-III.

JSNIA0030GB

MWI-6

< FUNCTION DIAGNOSIS >

METER SYSTEM

Between unified meter and A/C amp. and combination meter.

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 unified meter and A/C amp. via BCM with the CAN communication line.

• IPDM E/R is equipped with the diagnosis function. It can perform the operation check of oil pressure warning

lamp with the auto active test and the diagnosis with CONSULT-III.

METER CONTROL FUNCTION LIST

X: Applicable

Unit

Communication line

Input from combination meter

Output to combination meter

Unified meter
and A/C amp.

Communication line
(METER <-> AMP.)

• Parking brake switch signal
• Washer level switch signal
• Meter day/night condition signal
• Illumination control switch signal
• Refuel status signal
• Low fuel warning lamp signal
• Odo data signal

• Vehicle speed signal
• Turn indicator signal
• High beam request signal
• Front fog light request signal
• Engine speed signal
• Fuel level sensor signal
• Engine coolant temperature signal
• A/T CHECK indicator signal
• Oil pressure switch signal
• Door switch signal
• Buzzer output signal
• AFS OFF indicator lamp signal
• Tire pressure signal
• AWD warning lamp signal
• VDC OFF indicator signal
• ABS warning lamp signal
• Brake warning lamp signal
• Malfunction indicator lamp signal
• 4WAS warning lamp signal
• Master warning signal

Communication line
(LCD <-> AMP.)

• Average fuel consumption reset signal
• Travel time reset signal
• Possible driving distance reset signal
• Average vehicle speed reset signal
• Select switch signal
• Enter switch signal
• Trip A/B reset switch signal
• Ambient air temperature display signal

• Shift position signal
• Meter display signal
• Door switch signal
• Trunk switch signal
• Fuel level sensor signal
• Parking brake switch signal
• Washer level switch signal
• Charge warning signal
• Instantaneous fuel consumption display

signal

• Ambient air temperature display signal
• Average fuel consumption display signal
• Average vehicle speed display signal
• Possible driving distance display signal
• Engine speed signal
• Vehicle speed signal

System

Description

Signal source

Via unified

meter and A/C

amp.

Meter/gauge

Speedometer

Receives vehicle speed signal and indicates vehi-
cle speed.

ABS actuator and elec-
tric unit (control unit)

Tachometer

Receives engine speed signal and indicates en-
gine speed.

ECM

Fuel gauge

Receives fuel level sensor signal and indicates
fuel level.

Fuel level sensor unit

Engine coolant tem-
perature gauge

Receives engine coolant temperature signal and
indicates coolant temperature.

ECM

Warning lamp/
indicator lamp

Oil pressure warning
lamp

Receives oil pressure warning lamp signal and il-
luminates warning lamp.

IPDM E/R

Master warning

Illuminates according to warning output on infor-
mation display.

—

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Infiniti G35 (V35) Sedan. Manual — part 944

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