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Home >> Infiniti >> 2009 >> QX56 AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System >> Function Diagnosis >> Intelligent Key System/Engine Start Function >> System Description >> Input/Output Signal Chart
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Input/Output Signal Chart

Intelligent Key Unit

INPUT/OUTPUT SIGNAL CHART

Switch/Input signal Input signal to Intelligent Key unit Intelligent Key unit function Actuator/Output signal
Key switch Mechanical key (insert/remove) Engine start function
  • KEY warning lamp/buzzer
  • Steering lock solenoid
  • Starter relay request (to IPDM E/R)
  • Inside key antenna

    (Front and rear center console, overhead console, luggage compartment)

  • Key interlock solenoid
Ignition knob switch Ignition knob (push/release)
Steering lock solenoid Steering lock (lock/unlock)
Inside key antenna (Front and rear center console, overhead console, luggage compartment) Intelligent key (inside antenna detection area or not.)

IPDM E/R

IPDM E/R FUNCTION CHART

Switch/Input signal Input signal to IPDM E/R IPDM E/R function Actuator/Output signal
Park/neutral position switch P, N range Engine start function
  • Starter relay
  • Starter motor

BCM

INPUT/OUTPUT SIGNAL CHART

Switch/Input signal Input signal to BCM BCM function Actuator/Output signal
Key switch Brake (press/release) Engine start function
  • Inside key antenna (Front and rear center console, overhead console, luggage compartment)