Supra L6-3.0L DOHC Turbo (7M-GTE) (1987)
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Engine Control Module: Pinout Values and Diagnostic Parameters
INSPECTION OF ELECTRONIC CONTROLLED UNIT (ECU)
1. MEASURE ECU VOLTAGE.
NOTE: The Electronic Fuel Injection (EFI) circuit can be checked by measuring the resistance and voltage at the wiring connectors of the
Electronic Control Unit (ECU).
Check the voltage at the wiring connectors.
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Remove the glove box.
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Turn the ignition switch to "ON".
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Measure the voltage at each terminal.
