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Home >> Infiniti >> 2010 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 268 (Power Control System) >> IPDM E/R (With I-Key) >> System >> Relay Control System >> RELAY CONTROL SYSTEM : System Description
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RELAY CONTROL SYSTEM : System Description

WARNING: This page is about a different car, the 2011 Nissan Juke. However, it is still accessible from the selected car via links, so may be relevant.

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.
IPDM E/R INTEGRATED RELAYS REFERENCE CHART

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)
HEADLAMP SYSTEM
Front fog lamp relay Front fog light request signal BCM (CAN) Front fog lamp FRONT FOG LAMP SYSTEM : SYSTEM DIAGRAM
Tail lamp relay Position light request signal BCM (CAN)
  • Parking lamp
  • License plate lamp
  • Tail lamp
  • Side marker lamp
PARKING, LICENSE PLATE, SIDE MARKER AND TAIL LAMP SYSTEM
Illumination INTERIOR ROOM LAMP CONTROL SYSTEM
  • Front wiper relay
  • Front wiper HI/LO relay
Front wiper request signal BCM (CAN) Front wiper motor FRONT WIPER AND WASHER SYSTEM
Front wiper stop position signal Front wiper motor
Rear window defogger Rear window defogger switch signal BCM (CAN) Rear window defogger WITH AUTO A/C
Horn relay Theft warning horn request signal BCM (CAN) Horn VEHICLE SECURITY SYSTEM : SYSTEM DIAGRAM
  • Starter relay(1)
  • Starter control relay
Starter control relay signal BCM (CAN) Starter motor STARTER CONTROL RELAY , STARTER CONTROL RELAY
Starter relay control signal Transmission range switch
Cooling fan relay Cooling fan speed request ECM (CAN) Cooling fan control module COOLING FAN CONTROL
A/C relay A/C compressor request signal ECM (CAN) A/C compressor (Magnet clutch) FAN SPEED CONTROL AT DOOR MOTOR OPERATION
Daytime running light relay 2
  • Daytime running light request signal
  • Low beam request signal
BCM (CAN)
  • Headlamp (LO)
  • Parking lamp
  • License plate lamp
  • Tail lamp
DAYTIME RUNNING LIGHT SYSTEM : SYSTEM DIAGRAM
Ignition relay Ignition switch ON signal BCM (CAN) Each control unit, sensor, actuator and relay (Ignition power supply) B2098 IGNITION RELAY ON STUCK 
Vehicle speed signal (Meter) Combination meter (CAN)
Push-button ignition switch signal Push-button ignition switch
(1) BCM controls the starter relay.