LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> System >> SFI System - Diagnosis >> Terminals Of ECM >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Terminals Of ECM: Notes

Fig 1: Identifying Terminals Of ECM
G01447316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

Each ECM terminal's standard normal voltage is shown in the table below.

In the table, first follow the information under "Condition". Look under "Symbols (Terminal No.)" for the terminals to be inspected. The standard normal voltage between the terminals is shown under "Specific Condition".

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

Fig 2: ECM Terminals Chart (1 Of 3)
G01447317Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: ECM Terminals Chart (2 Of 3)
G01447318Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: ECM Terminals Chart (3 Of 3)
G01447319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002