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Home >> Nissan-Datsun >> 2017 >> Micra SR, Automatic Trans >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System >> System Description >> System >> Relay Control System >> System Description
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System 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 DIAGRAM
Tail lamp relay Position light request signal BCM (CAN)
  • Parking lamp
  • Side marker lamp
  • License plate lamp
  • Tail lamp
SYSTEM DIAGRAM
Illuminations SYSTEM DIAGRAM
  • Front wiper relay
  • Front wiper high relay
Front wiper request signal BCM (CAN) Front wiper motor SYSTEM DESCRIPTION
Front wiper stop position signal Front wiper motor
Starter control relay Ignition switch START signal
  • Transmission range switch (with A/T)
  • Clutch interlock switch (with M/T)
Starter motor SYSTEM DESCRIPTION
Cooling fan relay 1
Cooling fan relay 2
Cooling fan speed request signal ECM (CAN) Cooling fan COOLING FAN
A/C relay A/C compressor request signal ECM (CAN) A/C compressor
(Magnet clutch)
SYSTEM DESCRIPTION
Ignition relay Ignition switch ON signal Ignition switch Each control unit, sensor, actuator and relay (Ignition power supply) SYSTEM DESCRIPTION