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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 5) >> DTC/Circuit Diagnosis >> DTC P2127, P2128: App Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2127

00

APP SEN 2/CIRC

(Throttle/Pedal position sensor/switch E circuit low)

Diagnosis condition

Engine running at idle

Signal (terminal)

Accelerator pedal position sensor 2 signal

Threshold

An excessively low voltage is sent to ECM

Diagnosis delay time

--

P2128

00

APP SEN 2/CIRC

(Throttle/Pedal position sensor/switch E circuit high)

Diagnosis condition

Engine running at idle

Signal (terminal)

Accelerator pedal position sensor 2 signal

Threshold

An excessively high voltage is sent to ECM

Diagnosis delay time

--