LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 1994 >> Celica ST, 2D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Engine Control Module >> Power & Ground Circuits
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power & Ground Circuits

For testing of power and ground circuits, see information PIN VOLTAGE CHARTS article. See ECM LOCATION  table for identifying ECM mounting locations.

ECM LOCATION

Model Location
Celica Below Passenger's Side Of Dash Underneath The Carpet
NOTE: Figs. Fig 1 and Fig 2 identify ECM terminals on vehicles which are used for performing tests on various components in this article. For ECM terminal identification on remaining models, see PIN VOLTAGE CHARTS article.
Fig 1: Identifying ECM Terminals (1.8L M/T)
G94H45812Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Identifying ECM Terminals (1.8L A/T & 2.2L)
G94I45813Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002