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Home >> Infiniti >> 2009 >> EX35 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Meter, Warning Lamp & Indicator) >> Function Diagnosis >> Meter System >> Meter System >> Component Description

Component Description

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
METER SYSTEM - COMPONENT DESCRIPTION

Unit Description
Combination meter Controls the following with the signals from the unified meter and A/C amp, switches and sensors.
  • Speedometer
  • Engine coolant temperature gauge
  • Warning lamps
  • Information display
  • Tachometer
  • Fuel gauge
  • Indicator lamps
  • Warning chime
Unified meter and A/C amp.
  • The combination meter receives the necessary information from various units via CAN communication line and transmits them to the unified meter and A/C amp. with the communication line that connects both of them.
  • Transmits the fuel gauge signal from the fuel gauge unit with the communication line that connects the unified meter and A/C amp. and the combination meter.
  • Reads the signals from the A/T device transmits them to TCM with CAN communication line.
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 CAN communication line.
Fuel level sensor unit Refer to DESCRIPTION  .
Oil pressure switch Refer to DESCRIPTION  .
ECM Transmits the following signals to the unified meter and A/C amp. with CAN communication line.
  • Engine speed signal
  • Fuel consumption monitor signal
  • Engine coolant temperature signal
ABS actuator and electric unit (control unit) Transmits the vehicle speed signal to the unified meter and A/C amp. with CAN communication line.
BCM
  • Transmits signals provided by various units to the unified meter and A/C amp. with CAN communication line.
  • Transmits the security signal to the combination meter.
A/T device Transmits the following signals to the unified meter and A/C amp.
  • Manual mode signal
  • Manual mode shift up signal
  • Not manual mode signal
  • Manual mode shift down signal
TCM Transmits shift position signal to the unified meter and A/C amp.
Meter control switch Refer to DESCRIPTION  .
Trip A/B reset switch Refer to DESCRIPTION  .
Washer level switch Transmits the washer level signal to the combination meter.
Brake fluid level switch Transmits the brake fluid level switch signal to the combination meter.
Parking brake switch Refer to DESCRIPTION  .
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