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Home >> Nissan-Datsun >> 2020 >> Titan SL, 4WD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System (IPDM E/R) >> System Description >> System >> Relay Control System >> System Description >> Description

System Description: Description

The IPDM E/R controls relays based on input signals from various sensors and from request signals received via CAN communication.

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

Relay

Signal Type

Transmitting Unit

Control Part

Reference

Front fog lamp relay 1

Front fog lamp request signal

BCM (CAN)

Front fog lamps

System Description (Halogen headlamp)

System Description (LED headlamp)

Headlamp high relay

High beam request signal

BCM (CAN)

Headlamp high

System Description (Halogen headlamp)

System Description (LED headlamp)

Headlamp low relay 2

Low beam request signal

BCM (CAN)

Headlamp low

System Description

Tail lamp relay

Position light request signal

BCM (CAN)

  • Parking lamps
  • Side marker lamps
  • License plate lamps
  • Tail lamps
  • Trailer tow relay 1
  • Illumination system

System Description (Halogen headlamp)

System Description (LED headlamp)

  • Front wiper relay
  • Front wiper high relay

Front wiper request signal

BCM (CAN)

Front wiper motor

System Description

A/C relay

A/C request signal

  • BCM (CAN)
  • ECM (CAN)

A/C compressor

System Description (Automatic air conditioner)

System Description (Manual air conditioner)

Rear window defogger relay-1

Rear window defogger request signal

BCM (CAN)

Rear window defogger LH

System Description

Ignition relay-1

Push-button ignition switch ON signal

Push-button Ignition switch

Ignition relay

DTC Description

Starter relay

Push-button ignition switch START signal

  • TCM
  • BCM

Starter motor

System Description

Starter control relay

1 : If equipped

2 : Halogen headlamp only