LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Body Control System (Diagnostics) >> Description >> System >> Signal Buffer System >> System Description >> Signal transmission function list
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Signal transmission function list

Signal name

Input

Output

Description

  • Ignition switch ON signal
  • Ignition switch signal

Push-button ignition switch (Push switch)

  • IPDM E/R (CAN)
  • Driver seat control unit (CAN)
  • Pre-crash seat belt control unit (CAN)

Inputs the push-button ignition switch (push switch) signal and transmits the ignition switch status judged with BCM via CAN communication.

Door switch signal

Any door switch

  • Combination meter (CAN)
  • IPDM E/R (CAN)
  • Driver seat control unit (CAN)
  • Pre-crash seat belt control unit (CAN)

Inputs the door switch signal and transmits it via CAN communication.

Oil pressure switch signal

IPDM E/R (CAN)

Combination meter (CAN)

Transmits the received oil pressure switch signal via CAN communication.

Stop lamp switch signal

Stop lamp switch

TCM (CAN)

Inputs the stop lamp switch 1 signal and stop lamp switch 2 signal, and transmits it via CAN communication.

Low tire pressure warning lamp signal

Low tire pressure warning control unit

Combination meter (CAN)

Transmits the received low tire pressure warning signal via CAN communication.

Buzzer request signal

Low tire pressure warning control unit

Combination meter (CAN)

Transmits the received buzzer request signal via CAN communication.

Horn request signal

Low tire pressure warning control unit

IPDM E/R (CAN)

Received the horn request signal, transmits the horn reminder signal via CAN communication.