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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System >> System Description >> System >> Intelligent Key System/Engine Start Function >> System Description >> Input Signal And Output Signal Chart
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Input Signal And Output Signal Chart

Component

Signal description

ECM

Mainly transmits the following signal to BCM and combination meter via CAN communication:

  • Engine status signal

Mainly receives the following signal from BCM via CAN communication:

  • Key ID signal
  • Stop lamp switch signal

IPDM E/R

Mainly receives the following signal from BCM via CAN communication:

  • Push-button ignition switch signal
  • Door switch signal
  • Each inside key antenna signal

Mainly transmits the following signal to BCM via CAN communication:

  • Transmission range switch signal

ABS actuator and electric unit (control unit)

Mainly transmits the following signal to BCM via CAN communication:

  • Vehicle speed signal

Combination meter

Mainly transmits the following signal to BCM, ECM and IPDM E/R via CAN communication:

  • Vehicle speed signal

Transmission range switch

Transmits transmission range switch signal to IPDM E/R.

Remote keyless entry receiver

Transmits key ID signal to BCM.

Each inside key antenna

Transmits inside key antenna signal to BCM.

Push-button ignition switch

Transmits push-button ignition switch signal to BCM.

Each door switch

Transmits door switch signal to BCM.

Stop lamp switch

Transmits stop lamp switch signal to BCM.

Electronic shift control module

Transmits park position signal to BCM.

Intelligent Key warning buzzer

Receives Intelligent Key warning buzzer signal from BCM.