2008 Infiniti EX35 Base, RWDFACTORY OEM SERVICE PROCEDURE

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.
RELAY CONTROL SYSTEM 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
Front fog lamp relay Front fog light request signal BCM (CAN) Front fog lamp
Tail lamp relay Position light request signal BCM (CAN)
  • Parking lamp
  • Side marker lamp
  • License plate lamp
  • Tail lamp
Illuminations ILLUMINATION CONTROL SYSTEM
  • Front wiper relay
  • Front wiper high relay
 Front wiper request signal BCM (CAN) Front wiper FRONT WIPER AND WASHER SYSTEM
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)
 VEHICLE SECURITY SYSTEM
  • Starter relay(1)
  • Starter control relay
 Starter control relay signal BCM (CAN) Starter motor SEC-105, SEC-103 
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 B2108: STEERING LOCK RELAY
Steering lock unit condition signal Steering lock unit
Control device (Detention switch) signal Control device (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) BCM controls the starter relay.
Chapter Navigation
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  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.