2004 Infiniti Q45FACTORY OEM SERVICE PROCEDURE

VDC/TCS System

If a malfunction occurs in electrical system, VDC OFF indicator lamp and SLIP indicator lamp in combination meter turn on. In this condition, VDC/TCS will be deactivated and it becomes equal to that of models without VDC/TCS. However, ABS is controlled normally.

If a malfunction occurs in throttle control system, VDC/TCS control will be deactivated and only ABS control will operate normally.

NOTE: If fail-safe mode is initiated, carry out self-diagnosis for VDC/TCS/ABS control system.
Factory Service Tools

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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.

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