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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Introduction) >> System Description >> System >> Automatic Speed Control Device (ASCD) >> System Description >> Input/Output Signal Chart
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Input/Output Signal Chart

Sensor Input signal to ECM ECM function Actuator
ASCD steering switch ASCD steering switch operation ASCD vehicle speed control
  • Electric throttle control actuator
  • Combination meter
ASCD brake switch Brake pedal operation
Stop lamp switch
TCM Park/neutral position signal
Output shaft revolution signal*
Combination meter Vehicle speed signal*

*: This signal is sent to the ECM via the CAN communication line