LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2021 >> Q60 Pure, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (6 Of 7) >> Engine (ECM) >> DTC P2138: App Sensor >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2138

APP SENSOR

(Throttle/Pedal position sensor/switch "D"/"E" voltage correlation)

Diagnosis condition

Engine running at idle

Signal (terminal)

  • Accelerator pedal position sensor 1 signal
  • Accelerator pedal position sensor 2 signal

Threshold

Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2

Diagnosis delay time

--