1993 Infiniti G20 AutomaticFACTORY OEM SERVICE PROCEDURE

Throttle Position Sensor

THROTTLE POSITION SENSOR SPECIFICATIONS

Application (1) Volts
G20
A/T Before Serial No. 450021 & M/T 0.5-4.5
A/T Serial No. 450021 & Later 0.4-4.6
J30 & Q45 0.4-4.6
(1) Voltage variation from closed throttle (idle) to wide open throttle.
THROTTLE POSITION SENSOR RESISTANCE

Application (1) Ohms
G20 (A/T Before Serial No. 450021 & M/T)
Completely Released 2000
Partially Released 2000-10,000
Completely Depressed 10,000
G20 (A/T Serial No. 450021 & Later)
Completely Released 1000
Partially Released 1000-10,000
Completely Depressed 10,000
J30
Completely Released 1700
Partially Released 1700-10,500
Completely Depressed 10,500
Q45
Completely Released 700
Partially Released 700-5000
Completely Depressed 5000
(1) Approximate.
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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