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Home >> Infiniti >> 2019 >> QX50 Essential, FWD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Automatic Brake Hold >> System Description >> Component Parts >> Component Location

Component Location

GNSALFIA0070Z-070Courtesy of NISSAN NORTH AMERICA, INC.

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Right hand side of Instrument panel above glove box

view with instrument panel removed

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Engine room (RH side)

(view with component removed from vehicle)

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Center console

(view with component removed from vehicle)

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Left rear of vehicle

(view with luggage side lower finisher (LH) removed)

No.

Component parts

Function

1.

TCM

Mainly transmits the following signals to chassis control module via CAN communication.

  • Current gear position signal
  • Shift position signal

2.

ECM

Mainly transmits the following signals to chassis control module via CAN communication.

  • Accelerator pedal position signal

3.

BCM

Mainly transmits the following signals to chassis control module via CAN communication.

  • Stop lamp switch signal

4.

Combination meter

  • Mainly transmits the following signals to chassis control module via CAN communication.
    • Seat belt buckle switch (driver side) signal
  • Mainly receives the following signals from chassis control module via CAN communication.
    • Automatic brake hold indicator lamp signal
    • Meter display signal

5.

Chassis control module

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN communication.

  • Active trace control signal
  • Active ride control signal
  • Chassis control module malfunction signal

Mainly receives the following signals from ABS actuator and electric unit (control unit) via CAN communication.

  • hill start assist display request signal

Mainly transmits the following signals to combination meter via CAN communication.

  • hill start assist display request signal

Refer to Component Location  for detailed installation location.

6.

ABS actuator and electric unit (control unit)

Component Location 

7.

Electric parking brake switch

(automatic brake hold switch)

8.

Electric parking brake control module

  • Operates the parking brake based on the automatic brake hold operation status.
  • Mainly transmits the following signals to chassis control module via CAN communication.
    • Automatic brake hold malfunction signal
    • Automatic brake hold prevents signal
    • Brake system warning lamp signal
    • Electric parking brake operation signal (switch)
    • Electric parking brake status signal

Refer to for detailed installation location.