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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Power Control System (IPDM E/R) >> System Description >> System >> Relay Control System >> System Description >> Description
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System Description: Description

IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input signals from various sensors and the request signals received from control units via CAN communication.

CAUTION: IPDM E/R integrated relays cannot be removed.

Control relay

Input/output

Transmit unit

Control part

Reference

  • Front wiper relay
  • Front wiper high relay

Front wiper request signal

BCM (CAN)

Front wiper motor

System Description (without rain sensor)

System Description (with rain sensor)

Front wiper stop position signal

Front wiper motor

A/C relay

A/C compressor request signal

ECM (CAN)

A/C compressor

(Magnet clutch)

Compressor Control

Starter relay

Starter relay signal

BCM (CAN)

Starter motor

System Description

Transmission range switch signal

Transmission range switch

Ignition relay-1

Push-button ignition switch ON signal

BCM (CAN)

Each control unit, sensor, actuator and relay (Ignition power supply)

System Description

Vehicle speed signal (Meter)

Combination meter (CAN)

Push-button ignition switch signal

Push-button ignition switch