2012 Infiniti G25 BaseFACTORY OEM SERVICE PROCEDURE

Component Description

Component Reference
Push-button ignition switch B2556 PUSH-BUTTON IGNITION SWITCHΒ 
Door switch DOOR SWITCH
A/T shift selector (detention switch) (A/T models) B2601 SHIFT POSITIONΒ 
Inside key antenna B2621 INSIDE ANTENNA
Remote keyless entry receiver REMOTE KEYLESS ENTRY RECEIVER
Stop lamp switch B2555 STOP LAMPΒ 
TCM (A/T models) B2604 SHIFT POSITIONΒ 
Clutch interlock switch (M/T models) B26E8 CLUTCH INTERLOCK SWITCHΒ 
Starter relay B2608 STARTER RELAYΒ 
Starter control relay B2560 STARTER CONTROL RELAYΒ 
Security indicator lamp SECURITY INDICATOR LAMPΒ 
Key warning lamp KEY WARNING LAMPΒ 
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.