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Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System >> IPDM E/R >> Function Diagnosis >> 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.
IPDM E/R INPUT/OUTPUT SIGNAL REFERENCE

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 low
  • Headlamp High
B26E1 NO RECEPTION OF ENGINE STATUS SIGNAL
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
  • Side marker lamp
  • License plate lamp
  • Tail lamp
  • Illuminations
PARKING, LICENSE PLATE AND TAIL LAMPS SYSTEM , ILLUMINATION CONTROL SYSTEM
  • Front wiper relay
  • Front wiper high relay
Front wiper request signal BCM (CAN) Front wiper C1734 CONTROL UNIT
Front wiper auto stop signal Front wiper motor
  • Horn relay 1
  • Horn relay 2
  • Theft warning horn request signal
  • Horn reminder signal
BCM (CAN)
  • Horn (Low)
  • Horn (High)
COMPONENT DESCRIPTION
  • Starter relay(1)
  • Starter control relay
Starter control relay signal BCM (CAN) Starter motor B210B STARTER CONTROL RELAY , B210D STARTER RELAY
Steering lock unit condition signal Steering lock unit
Starter relay control signal TCM
Clutch interlock switch
Steering lock relay Steering lock relay signal BCM (CAN) Steering lock unit B2108 STEERING LOCK RELAY
Steering lock unit condition signal Steering lock unit
A/T device (Detention switch) signal A/T device (Detention switch)
A/C relay A/C compressor request signal ECM (CAN) A/C compressor (magnet clutch) MAGNET CLUTCH
Ignition relay Ignition switch ON signal BCM (CAN) Ignition relay B2098 IGNITION RELAY ON STUCK 
Vehicle speed signal Unified meter and A/C amp. (CAN)
Push-button ignition switch signal Push-button ignition switch
NOTE:
(1) BCM controls the starter relay.