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Home >> Infiniti >> 2011 >> G25 Base >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Power Control System -- G25/G37 Sedan >> IPDM E/R >> System Description >> Relay Control System >> System Description

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.
INPUT/OUTPUT 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 low
  • Headlamp high
 SYSTEM DESCRIPTION
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
 PARKING, LICENSE PLATE AND TAIL LAMPS SYSTEM
Illuminations ILLUMINATION CONTROL SYSTEM
  • Front wiper relay
  • Front wiper high relay
 Front wiper request signal BCM (CAN) Front wiper WITHOUT RAIN SENSOR
Front wiper stop position signal Front wiper motor
  • Horn relay 1
  • Horn relay 2
  • Theft warning horn request signal
  • Horn reminder signal
 BCM (CAN)
  • Horn (low)
  • Horn (high)
 VEHICLE SECURITY SYSTEM
  • Starter relay(2)
  • Starter control relay
 Starter control relay signal BCM (CAN) Starter motor B210D STARTER RELAY , B210B STARTER CONTROL RELAY
Steering lock unit condition signal Steering lock unit
Starter relay control signal TCM
Clutch interlock switch
Steering lock relay(1) Steering lock relay signal BCM (CAN) Steering lock unit(1) B2108 STEERING LOCK RELAY
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) MAGNET CLUTCH CONTROL SYSTEM
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
(1) For models with steering lock unit only.
(2) BCM controls the starter relay.
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