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Home >> Infiniti >> 2010 >> EX35 Base, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0153 >> DTC P0132, P0152: A/F Sensor 1 >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

To judge the malfunction, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal is not inordinately high.

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible Cause
P0132 Air fuel ratio (A/F) sensor 1 (bank 1) circuit high voltage
  • The A/F signal computed by ECM from the A/F sensor 1 signal is constantly approx. 5 V.
  • Harness or connectors. (The A/F sensor 1 circuit is open or shorted.)
  • A/F sensor 1
P0152 Air fuel ratio (A/F) sensor 1 (bank 2) circuit high voltage
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