LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Engine Controls - Removal, Overhaul, Installation) >> Computerized Engine Controls >> Engine Control Module (ECM) >> Removal & Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal & Installation

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2000 Lexus SC 400, 2000 Lexus SC 300, 2000 Lexus RX 300, 2000 Lexus LX 470, and 2000 Lexus LS 400. However, it is still accessible from the selected car via links, so may be relevant.

Ensure ignition is off. Remove ECM. See ECM LOCATION  table. To install, reverse removal procedure.

ECM LOCATION

Application Location
ES300, LS400, LX470 & RX300 Behind Glove Box
GS300 & GS400 Left Front Of Engine Compartment
SC300 & SC400 Under Front Of Carpet On Passenger Side Of Vehicle