Ecu Terminal Values Measurement By Using Break-Out-Box And Hand-Held Tester

Hook up the break-out-box and hand-held tester to the vehicle.
Read the ECU input/ output values by following the prompts on the tester screen.
Please refer to the hand-held tester has a "Snapshot" function. This records the measured data and is effective in the diagnosis of intermittent problems.

Fig 1: Measuring ECU Terminal Values Using Break-Out-Box And Hand-Held Tester
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