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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Qr25DE >> DTC P1148: Closed Loop Control >> On Board Diagnosis Logic >> A/T Models Except ULEV
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A/T Models Except ULEV

This self-diagnosis has the one trip detection logic. 

Fig 1: On Board Diagnosis Logic (A/T Models Except ULEV)
G00778206Courtesy of NISSAN MOTOR CO., U.S.A.

DTC P1148 is displayed with another DTC for air fuel ratio (A/F) sensor 1. Perform the trouble diagnosis for the corresponding DTC.