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Home >> Nissan-Datsun >> 2014 >> Versa S Plus >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Power Control System (IPDM/Er) (Without I-Key) >> System Description >> System >> Relay Control System >> RELAY CONTROL SYSTEM: System Description
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RELAY CONTROL SYSTEM: 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 high relay
  • Headlamp low relay
  • High beam request signal
  • Low beam request signal
BCM (CAN)
  • Headlamp high
  • Headlamp low
  • Daytime light relay 2
SYSTEM
Tail lamp relay Position light request signal BCM (CAN)
  • Parking lamp
  • License plate lamp
  • Tail lamp
  • Illumination system
PARKING, LICENSE PLATE AND TAIL LAMP SYSTEM: SYSTEM DESCRIPTION
ILLUMINATION CONTROL SYSTEM
  • Front wiper relay
  • Front wiper high relay
Front wiper request signal BCM (CAN) Front wiper motor SYSTEM
A/C relay A/C request signal
  • BCM (CAN)
  • ECM (CAN)
A/C compressor (Magnet clutch) SYSTEM
Starter control relay Starter control relay signal BCM (CAN) Starter motor SYSTEM
Transmission range switch signal (CVT models) Transmission range switch
Clutch interlock switch signal (M/T models) Clutch interlock switch
  • Cooling fan low relay
  • Cooling fan high relay
Cooling fan request signal ECM (CAN) Cooling fan motor (low)
Cooling fan motor (high)
CAN COMMUNICATION
ECM relay ECM relay control signal ECM (CAN) ECM SYSTEM
Throttle control motor relay Throttle control motor control signal ECM (CAN) ECM SYSTEM
Fuel pump relay Fuel pump request signal ECM (CAN) Fuel pump MULTIPORT FUEL INJECTION SYSTEM: SYSTEM DIAGRAM
Ignition relay Ignition switch ON or START signal Ignition switch Ignition switch ON or START power FUEL INJECTION TIMING