Measuring ECU Terminal Values Using LEXUS Break-Out Box

1. Hook up the LEXUS break-out-box and LEXUS hand-held tester to the vehicle.
2. Read the ECU input output values by following the prompts on the scan tool screen.

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

Please refer to the LEXUS hand-held tester/LEXUS breakout-box operator's manual for further details.