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Home >> Nissan-Datsun >> 2012 >> 370Z Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Power Control System) >> IPDM E/R >> System Description >> Relay Control System >> System Description
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System Description

WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.

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 INTEGRATED RELAY 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
Tail lamp relay Position light request signal BCM (CAN)
  • Parking lamp
  • Side marker lamp
  • License plate lamp
  • Tail lamp
Illuminations ILLUMINATION CONTROL SYSTEM : SYSTEM DIAGRAM
  • Front wiper relay
  • Front wiper high relay
Front wiper request signal BCM (CAN) Front wiper SYSTEM DESCRIPTION
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)
Ignition relay Ignition switch ON signal BCM (CAN) Ignition relay B2098 IGNITION RELAY ON STUCK 
Vehicle speed signal Combination meter (CAN)
Push-button ignition switch signal Push-button ignition switch
Daytime running light relay
NOTE: With daytime running light system
Daytime running light request signal BCM (CAN)
  • Parking lamp
  • Side marker lamp
  • License plate lamp
  • Tail lamp
AUTO LIGHT FUNCTION
(1) For models with steering lock unit only.
(2) BCM controls the starter relay.