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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Motors, Switches, Relays >> Power Control System (IPDM E/R) (Except Hybrid) >> 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.

NOTE:

To prevent to the parts, IPDM E/R integrated relays cannot be removed.

Control relay Input/output Transmit unit Control part Reference
  • Headlamp low relay
  • Headlamp high relay
  • Low beam request signal
  • High beam request signal
BCM (CAN)
  • Headlamp (LO)
  • Headlamp (HI)
SYSTEM DESCRIPTION
Front fog lamp relay Front fog light request signal BCM (CAN) Front fog lamp SYSTEM DESCRIPTION
Tail lamp relay Position light request signal BCM (CAN)
  • Parking lamp
  • License plate lamp
  • Tail lamp
  • Side marker lamp
SYSTEM DESCRIPTION
Illumination SYSTEM DESCRIPTION
  • Front wiper relay
  • Front wiper HI/LO relay
  • Front wiper request signal
  • Front wiper service position signal
BCM (CAN) Front wiper motor SYSTEM DESCRIPTION
Front wiper stop position signal Front wiper motor
Horn relay Theft warning horn request signal BCM (CAN) Horn SYSTEM DESCRIPTION
Vehicle security horn relay Vehicle security horn
  • Starter relay *
  • Starter control relay
Starter control relay signal BCM (CAN) Starter motor SYSTEM DESCRIPTION
Starter relay control signal TCM
A/C relay A/C compressor request signal ECM (CAN) A/C compressor
(Magnet clutch)
COMPRESSOR CONTROL
Daytime running light relay Daytime running light request signal BCM (CAN) Daytime running light SYSTEM DESCRIPTION
Ignition relay Ignition switch ON signal BCM (CAN) Each control unit, sensor, actuator and relay (Ignition power supply) DTC DESCRIPTION
Vehicle speed signal (Meter) Combination meter (CAN)
Push - button ignition switch signal Push - button ignition switch

* : BCM controls the starter relay.