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Home >> Honda >> 2023 >> Pilot EX-L, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC Diagnostics (P000F - P0193) >> Troubleshooting >> DTC P0031, P0051 >> Inspection Outline

Inspection Outline

GHH576685Courtesy of HONDA, U.S.A., INC.
  P0031 P0051
*1 Rear A/F Sensor (Bank 1, Sensor 1) Front A/F Sensor (Bank 2, Sensor 1)
*2 AFHTB1 AFHTB2
Inspection Items Work Items
a A/F Sensor (Sensor 1) A/F Sensor (Sensor 1) Component Inspection*
  • For DTC P0031: Rear A/F Sensor (Bank 1, Sensor 1)
  • For DTC P0051: Front A/F Sensor (Bank 2, Sensor 1)

*: Choose the work item based on the stored DTC.

Inspection Items Work Items
b External Circuit IGPS(LAF) Open Wire Inspection
IGPS(LAF) Shorted Wire Inspection
+B_F/M2 Circuit Inspection
FI_SUB_RLY_CL- Circuit Inspection
AFHT Circuit Inspection*
  • For DTC P0031: AFHTB1
  • For DTC P0051: AFHTB2
c Power Distribution Module Power Distribution Module Inspection
d PCM PCM Inspection

*: Choose the work item based on the stored DTC.