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ECU Terminal Values Measurement


ECU TERMINAL VOLTAGE MEASUREMENT BY USING TOYOTA BRAKE-OUT-BOX AND TOYOTA HAND-HELD TESTER







1. Hook up the TOYOTA brake-out-box and TOYOTA handheld tester to the vehicle.
2. Read the ECU input/output values by following the prompts on the tester screen. Please refer to the TOYOTA brake-out-box operator's manual.

HINT: TOYOTA hand-held tester has a "Snapshot" function. This records the measured data and is effective in the diagnosis of intermittent problems.