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Home >> Infiniti >> 2017 >> Q50 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Exterior Lighting System (Led Headlamp) (Introduction, Wiring Diagrams And Basic Inspection) (Except Hybrid) >> System Description >> Component Parts >> Component Location

Component Location

GNSJMLIA7456ZZ-456Courtesy of NISSAN NORTH AMERICA, INC.
WZ-A Front combination lamp (back) WZ-B View with AV control unit or NAVI control unit removed WZ-C View with glove box removed
No. Component Function
WHITE-1 Side turn signal lamp Refer to EXTERIOR LAMP APPEARANCE AND BULB SPECIFICATIONS .
WHITE-2 ECM * 1
  • Controls the back - up lamp relay and supplies voltage to the back - up lamp.
  • ECM transmits engine status signal, Stop/Start status signal and shift position signal to BCM via CAN communication.
  • ECM transmits engine speed signal and shift position signal to AFS control unit via CAN communication. * 3
  • Refer to COMPONENT LOCATION for detailed installation location.
WHITE-3 IPDM E/R
  • Controls the integrated relay and daytime running light relay, and supplies voltage to the load according to the request from BCM via CAN communication.
  • IPDM E/R transmits low beam status signal to AFS control unit via CAN communication. * 3
  • Refer to COMPONENT LOCATION for detailed installation location.
ECM * 2
  • ECM transmits engine status signal to BCM via CAN communication.
  • ECM transmits engine speed signal to AFS control unit via CAN communication. * 3
  • Refer to COMPONENT LOCATION detailed installation location.
WHITE-5 Front combination lamp Headlamp (Low)
(LED headlamp)		 Refer to EXTERIOR LAMP APPEARANCE AND BULB SPECIFICATIONS  and LED HEADLAMP .
Headlamp (High)
(LED headlamp)
Parking lamp (lower side)/daytime running light (lower side) Refer to EXTERIOR LAMP APPEARANCE AND BULB SPECIFICATIONS .
Parking lamp (upper side)/daytime running light (upper side)
Side marker lamp
WHITE-6 Front turn signal lamp Refer to EXTERIOR LAMP APPEARANCE AND BULB SPECIFICATIONS .
WHITE-7 Front fog lamp Refer to EXTERIOR LAMP APPEARANCE AND BULB SPECIFICATIONS .
WHITE-8 Daytime running light relay Supplies the voltage to daytime running light with the controlled by IPDM E/R.
WHITE-9 Transmission assembly * 2 Transmission range switch Refer to TRANSMISSION RANGE SWITCH .
TCM
  • Controls the back - up lamp relay and supplies voltage to the back - up lamp.
  • TCM transmits shift position signal to AFS control unit * 3 via CAN communication.
  • Refer to COMPONENT LOCATION for detailed installation location.
WHITE-10 Outside handle grip Door request switch Refer to DOOR REQUEST SWITCH .
One touch unlock sensor Refer to ONE TOUCH UNLOCK SENSOR ASSEMBLY .
WHITE-11 Front door lock assembly
(Unlock sensor)		 Refer to FRONT DOOR LOCK ASSEMBLY .
WHITE-12 Door switch Refer to DOOR SWITCH .
WHITE-13 Height sensor * 3 Refer to HEIGHT SENSOR .
WHITE-14 Rear combination lamp (body side) Stop lamp/Tail lamp Refer to EXTERIOR LAMP APPEARANCE AND BULB SPECIFICATIONS .
Rear turn signal lamp
WHITE-15 Rear combination lamp (trunk lid side) Tail lamp Refer to EXTERIOR LAMP APPEARANCE AND BULB SPECIFICATIONS .
Back - up lamp
WHITE-16 License plate lamp Refer to EXTERIOR LAMP APPEARANCE AND BULB SPECIFICATIONS .
WHITE-17 Inside mirror assembly * 4 Ambient light sensor Refer to INSIDE MIRROR ASSEMBLY .
Image sensor
High beam assist control module
WHITE-18 Combination meter
  • Turns the following indicator lamp and warning (information display/buzzer) ON according to the request from BCM via CAN communication.
    • High beam indicator lamp
    • High beam assist indicator lamp * 4
    • Position lamp indicator lamp
    • Front fog lamp indicator lamp
    • Light reminder warning (information display/buzzer)
  • Blinks the turn signal indicator lamp and outputs the turn signal operating sound with integrated buzzer according to the request from BCM via CAN communication.
  • Inputs headlamp warning signal from LED headlamp control module and turns headlamp warning ON.
  • Turns the AFS warning ON according to the request from AFS control unit via CAN communication. * 3
  • Combination meter transmits vehicle speed signal to BCM, high beam assist control module * 4 and AFS control unit * 3 via CAN communication.
  • Combination meter transmits parking brake switch signal to BCM via CAN communication.
WHITE-19 Combination switch
(Lighting & turn signal switch)		 Refer to SYSTEM DESCRIPTION .
WHITE-20 Steering angle sensor * 5
  • Steering angle sensor transmits steering angle signal to AFS control unit via CAN communication.
  • Refer to COMPONENT LOCATION for detailed installation location.
CIRCLE WHITE-21 Integral switch
(Hazard switch)		 Refer to HAZARD SWITCH .
CIRCLE WHITE-22 A/T shift selector * 1 A/T shift selector transmits shift position signal to ECM via drivetrain CAN communication.
CIRCLE WHITE-23 Remote keyless entry receiver Refer to REMOTE KEYLESS ENTRY RECEIVER .
CIRCLE WHITE-24 BCM
  • Detects each switch condition by the combination switch reading function.
  • Judges that the exterior lamps are turned ON according to the vehicle condition.
  • Requests the following relay ON to IPDM E/R via CAN communication.
    • Headlamp low relay
    • Headlamp high relay
    • Daytime running light relay
    • Tail lamp relay
    • Front fog lamp relay
  • Requests the following indicator lamp and warning (information display/buzzer) ON to the combination meter via CAN communication.
    • High beam indicator lamp
    • High beam assist indicator lamp * 4
    • Position lamp indicator lamp
    • Front fog lamp indicator lamp
    • Light reminder warning (information display/buzzer)
  • Judges the outside brightness from the optical sensor signal.
  • Judges the ON/OFF timing of exterior lamp according to the vehicle condition.
  • Judges the ON/OFF status of the exterior lamp according to the outside brightness and the vehicle condition.
  • Blinks the turn signal lamp and hazard warning lamp according to the each switch condition.
  • Requests the turn signal indicator lamp blink to the combination meter via CAN communication.
  • Requests the turn signal operating sound ON to the combination meter via CAN communication.
  • Refer to COMPONENT LOCATION for detailed installation location.
CIRCLE WHITE-25 Steering force control module * 6
  • Steering force control module transmits steering pinion angle signal to AFS control unit via CAN communication.
  • Refer to COMPONENT LOCATION for detailed installation location.
CIRCLE WHITE-26 Optical sensor Refer to OPTICAL SENSOR .
CIRCLE WHITE-27 Front combination lamp Headlamp aiming motor * 3 Refer to HEADLAMP AIMING MOTOR .
CIRCLE WHITE-28 Swivel actuator * 3 Refer to SWIVEL ACTUATOR .
CIRCLE WHITE-29 LED headlamp control module Refer to LED HEADLAMP CONTROL MODULE .
CIRCLE WHITE-30 Back - up lamp relay Supplies the voltage to back - up lamp with the controlled by TCM * 2 or ECM * 1 .
CIRCLE WHITE-31 AFS control unit * 3 Refer to AFS CONTROL UNIT .

* 1 : 2.0L turbo gasoline engine models

* 2 : VR engine models

* 3 : With active AFS

* 4 : With high beam assist system

* 5 : Without direct adaptive steering, with active AFS

* 6 : With direct adaptive steering and active AFS

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