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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 208 (Engine Control System (DTC/Circuit Diagnosis) (CUMMINS 5.0L) (5 Of 6)) >> DTC/Circuit Diagnosis >> DTC P2123-00: Accelerator Pedal Position Sensor 1 >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2123-00

THROTTLE/PDL POSITION

SEN/SW D

Diagnosis condition

Ignition switch ON

Signal (terminal)

Accelerator pedal position sensor signal

Threshold
  • The accelerator pedal position sensor signal is not detected by the ECM during the first 0.8 second of engine cranking.
  • The proper accelerator pedal position sensor (POS) is not sent to ECM while the engine is running.
  • The accelerator pedal position sensor signal is not in the normal pattern during engine running.
  • The accelerator pedal position sensor 1 signal voltage is > 4.692 volt (100%).

Diagnosis delay time

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