With LEXUS Hand-Held Tester

ECU TERMINAL VALUES MEASUREMENT
USING LEXUS BREAK-OUT-BOX AND LEXUS HAND-HELD TESTER
1. Hook up the LEXUS break-out-box and LEXUS hand-held tester to the vehicle.
2. Read the ECM input/output values by following the prompts on the hand-held tester 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 break-out-box operator's manual for further details.