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Home >> Nissan-Datsun >> 2012 >> Leaf SL >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Power Control System (IPDM E/R) >> System Description >> System >> Relay Control System >> RELAY CONTROL SYSTEM: System Description >> Description
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RELAY CONTROL SYSTEM: 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: To prevent damage 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
Front fog lamp relay Front fog light request signal BCM (CAN) Front fog lamp FRONT FOG LAMP SYSTEM
Tail lamp relay Position light request signal BCM (CAN)
  • Parking lamp
  • License plate lamp
  • Tail lamp
  • Side marker lamp
FOR CANADA
Illumination SYSTEM
  • Front wiper relay
  • Front wiper HI/LO relay
Front wiper request signal BCM (CAN) Front wiper motor SYSTEM
Front wiper stop position signal Front wiper motor
Rear window defogger relay Rear window defogger control signal BCM (CAN) Rear window defogger "SYSTEM DESCRIPTION "
Daytime running light relay(1) Daytime running light request signal BCM (CAN) Daytime running light "DAYTIME RUNNING LIGHT SYSTEM: SYSTEM DESCRIPTION "
Horn relay Theft warning horn request signal BCM (CAN) Vehicle security horn VEHICLE SECURITY SYSTEM: SYSTEM DESCRIPTION (EXCEPT FOR CANADA)
Ignition relay Power 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)
Power switch signal Power switch
(1) For Canada