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Home >> Lexus >> 2004 >> GS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 433 (Engine Immobilizer System - Diagnostics) >> Terminals Of ECM
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Terminals Of ECM

WARNING: This page is about a different car, the 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying ECM Connector Terminals
G02941429Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TERMINAL STD VOLTAGE

Symbols (Terminals No.) Wiring Color Condition STD Voltage (V)
CODE - E1 (E6 - 31 ohms E3 - 7) G-B -> BR Ignition Switch ON 10 - 14
TXCT - E1 (E5 - 23 ohms E3 - 7) L-R -> BR Ignition Switch ON 10 - 14
RXCK - E1 (E5 - 24 ohms E3 - 7) B-W -> BR Ignition Switch ON 10 - 14