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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P015D (Except Hybrid) >> DTC P0132, P0152: A/F Sensor 1 >> DTC Description >> DTC Detection Logic

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 DETECTION CONDITION

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition
P0132 A/F SENSOR1 (B1) [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.
P0152 A/F SENSOR1 (B2)
[Air fuel ratio (A/F) sensor 1 (bank 2) circuit high voltage]
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