2018 Infiniti QX30 BaseFACTORY OEM SERVICE PROCEDURE

DTC Work Support Mode

WARNING: This page is about a different car, the 2018 Infiniti Q60. However, it is still accessible from the selected car via links, so may be relevant.
Test Item

Test mode

Test item

Corresponding DTC No.

Reference

A/F SEN1

A/F SEN1 (B1) P1276

P0130

DTC Description

A/F SEN1 (B2) P1286

P0150

DTC Description

A/F SENSOR1 (B1) P014C/P014D

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A/F SENSOR1 (B2) P014E/P014F

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EVAPORATIVE SYSTEM

PURG VOL CN/V P1444

P0443

DTC Description

PURG FLOW P0441

P0441

DTC Description

HO2S2

HO2S2 (B1) P1146

P0138

DTC Description

HO2S2 (B1) P1147

P0137

DTC Description

HO2S2 (B1) P0139

P0139

DTC Description

HO2S2 (B2) P1166

P0158

DTC Description

HO2S2 (B2) P1167

P0157

DTC Description

HO2S2 (B2) P0159

P0159

DTC Description

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.