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Home >> Nissan-Datsun >> 2007 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0444 To P1168 >> DTC P0603 ECM Power Supply >> Component Description

Component Description

Battery voltage is supplied to the ECM even when the ignition switch is turned OFF for the ECM memory function of the DTC memory, the air-fuel ratio feedback compensation value memory, the idle air volume learning value memory, etc.

Fig 1: Identifying ECM Power Supply Connector
G04899963Courtesy of NISSAN NORTH AMERICA, INC.
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