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Home >> Infiniti >> 2011 >> QX56 AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System >> [IPDM E/R] >> 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: IPDM E/R integrated relays cannot be removed.
SYSTEM REFERENCE

Control relay Input/output Transmit unit Control part Reference Information
  • 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 : SYSTEM DIAGRAM
Tail lamp relay Position light request signal BCM (CAN)
  • Parking lamp
  • License plate lamp
  • Tail lamp
  • Side marker lamp
 HEADLAMP AIMING CONTROL (MANUAL) : SYSTEM DESCRIPTION
Illuminations SYSTEM
  • Front wiper relay
  • Front wiper high 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
  • Horn relay
  • Theft warning horn relay
  • Theft warning horn request signal
  • Horn reminder signal
 BCM (CAN) Horn (high)
Horn (low)		 VEHICLE SECURITY SYSTEM
  • Starter relay(1)
  • Starter control relay
 Starter control relay signal BCM (CAN) Starter motor STARTER CONTROL RELAY , STARTER CONTROL RELAY
Steering lock unit condition signal Steering lock unit
Starter relay control signal TCM
Steering lock relay Steering lock relay signal BCM (CAN) Steering lock unit PUSH-BUTTON IGNITION SWITCH
Steering lock unit condition signal Steering lock unit
A/T shift selector (detention switch) signal A/T shift selector (detention switch)
A/C relay A/C compressor request signal ECM (CAN) A/C compressor (Magnet clutch) FRONT AUTOMATIC AIR CONDITIONING SYSTEM : AIR OUTLET CONTROL
Headlamp washer relay Headlamp washer request signal BCM (CAN) Headlamp washer pump HEADLAMP WASHER SYSTEM : SYSTEM DIAGRAM
  • Ignition relay
  • Ignition relay-2
  • Ignition relay-3
 Ignition switch ON signal BCM (CAN) Each control unit, sensor, actuator and relay (ignition power supply) B2098 IGNITION RELAY ON STUCK 
Vehicle speed signal Combination meter (CAN)
Push-button ignition switch signal Push-button ignition switch
NOTE:
(1) BCM controls the starter relay.
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