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Home >> Nissan-Datsun >> 2008 >> Altima Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Hybrid)) >> Component Diagnosis >> P1148 Closed Loop Control >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
NOTE: DTC P1148 is displayed with another DTC for A/F sensor 1.

Perform the trouble diagnosis for the corresponding DTC.

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1148 Closed loop control function The closed loop control function for bank 1 does not operate even when vehicle is driving in the specified condition.
  • Harness or connectors (The A/F sensor 1 circuit is open or shorted.)
  • A/F sensor 1
  • A/F sensor 1 heater
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