ECU Terminal Values Measurement

1. Hook up the TOYOTA break-out-box and TOYOTA hand-held tester to the vehicle.

2. Read the ECU input/output values by following the prompts on the hand-held tester screen.

HINT: TOYOTA 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 TOYOTA hand - held tester/TOYOTA break-out-box operator's manual for further details.