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Home >> Nissan-Datsun >> 2017 >> Maxima SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 4) >> DTC/Circuit Diagnosis >> DTC P2138: App Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

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

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P2138 APP SENSOR
(Throttle/Pedal position sensor/switch "D" / "E" voltage correlation)
Diagnosis condition Start engine and let it idle
Signal (terminal) APP sensor 1 signal and APP 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 -