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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (3 Of 4)) >> DTC/Circuit Diagnosis >> P0603 ECM >> DTC Description >> PR25DD engine >> DTC Detection Logic

DTC Detection Logic

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DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0603

00

ECM BACK UP/CIRCUIT

[Internal Control Module Keep Alive Memory (KAM) Error]

Diagnosis condition

Ignition switch ON

Signal (terminal)

--

Threshold

ECM back up system does not function properly

Diagnosis delay time

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