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Home >> Nissan-Datsun >> 2016 >> Maxima SR >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Power Control System (IPDM E/R) >> 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:

IPDM E/R integrated relays cannot be removed.

Control relay Input/output Transmit unit Control part Refer to
Front fog lamp relay Front fog lamp request signal BCM (CAN) Front fog lamp SYSTEM DESCRIPTION
(LED headlamp)
SYSTEM DESCRIPTION
(Halogen headlamp)
Headlamp low relay Low beam request signal BCM (CAN) Headlamp low SYSTEM DESCRIPTION
(LED headlamp)
SYSTEM DESCRIPTION
(Halogen headlamp)
Headlamp high relay High beam request signal BCM (CAN)
  • Headlamp low
  • Headlamp high
SYSTEM DESCRIPTION
(LED headlamp)
SYSTEM DESCRIPTION
(Halogen headlamp)
Tail lamp relay Position light request signal BCM (CAN)
  • Parking lamp
  • Side marker lamp
  • License plate lamp
  • Tail lamp
SYSTEM DESCRIPTION
(LED headlamp)
SYSTEM DESCRIPTION
(Halogen headlamp)
  • Front wiper relay
  • Front wiper high relay
Front wiper request signal BCM (CAN) Front wiper SYSTEM DESCRIPTION
Front wiper auto stop signal Front wiper motor
Ignition relay-1 Ignition switch ON signal BCM (CAN) Ignition relay-1 DTC DESCRIPTION
Vehicle speed signal Combination meter (CAN)
Push - button ignition switch Push - button ignition switch
Fuel pump relay Fuel pump request signal ECM Fuel pump COMPONENT FUNCTION CHECK
Cooling fan relay-1 Cooling fan request signal ECM Cooling fan motor COMPONENT FUNCTION CHECK
A/C relay A/C compressor request signal ECM (CAN) A/C compressor SYSTEM DESCRIPTION
Starter relay Starter relay control signal BCM Starter motor SYSTEM DIAGRAM
Starter control relay