2005 Lexus IS 300 Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Terminals Of ECM

Fig 1: Identifying ECM Connector Terminals
G02947791Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002

Each ECM terminals standard normal voltage is shown in the table below. In the table, first follow the information under "Condition".

Look under "Symbols (Terminals No.)" for the terminals to be inspected.

The standard normal voltage between the terminals is shown under "STD Voltage".

Use the illustration above as a reference for the ECM terminals.

Fig 2: ECM Connector Terminals Reference Chart (1 Of 2)
G02947792Courtesy 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.

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