Disabling System

1992 Infiniti M30 2D ConvertibleSECTION Disabling System
  1. Obtain radio code number from customer, and deactivate audio anti-theft function. Turn ignition switch off. Disconnect and shield negative battery cable.
  2. On Miata, disconnect Orange and Blue clockspring connectors located at base of steering column. See Fig 1. On 929, Disconnect diagnostic module connector, and connect Short Circuit Connector (49-H066-004) to harness connector. See Fig 2.
Fig 1: Disabling Air Bag System (Miata)
G92C24648Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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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.