Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Celica 1988-1989.1993-1994.2000 Approved Toyota Celica 1994 I system component tests

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                                                       I - SYSTEM/COMPONENT TESTS

                                                                      1994 Toyota Celica




                1994 ENGINE PERFORMANCE
                Toyota System & Component Testing

                Toyota;          Celica

        INTRODUCTION
         Before testing separate components or systems, perform
procedures in F - BASIC TESTING article. Since many computer-
controlled and monitored components set a diagnostic trouble code if
they malfunction, also perform procedures in articles listed below:

           *    G - TESTS W/CODES - 1.8L
           *    G - TESTS W/CODES - 2.2L

NOTE:           Testing individual components does not isolate shorts or
                opens. Perform all voltage tests with a Digital
                Volt-Ohmmeter (DVOM) with a minimum 10-megohm input
                impedance, unless stated otherwise in test procedure. Use
                ohmmeter to isolate wiring harness shorts or opens.

NOTE:           When testing some systems, tachometer may be required.
                Tachometer must be connected to proper terminals. For
                tachometer connections, see IDLE SPEED & MIXTURE in
                the D - ADJUSTMENTS article.

        COMPUTERIZED ENGINE CONTROLS

        ENGINE CONTROL MODULE
         Power & Ground Circuits
         For testing of power and ground circuits, see information
J - PIN VOLTAGE CHARTS article. See ECM LOCATION table below for
identifying ECM mounting locations.

ECM LOCATION
 

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