1992 Infiniti Q45 BaseFACTORY OEM SERVICE PROCEDURE

Throttle Control Module (TCM)

On harness side measure voltage between terminals No. 10 or 20, and terminals No. 2, 3, 4, 5, 7, 14 and 15. See TCM INSPECTION TABLE. See Figure , Fig 1 and Fig 2 .

Fig 1: Identifying TCM Location
G92G00873Courtesy of NISSAN MOTOR CO., U.S.A.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
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  • 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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