Measuring ECU Terminal Values W/Toyota Break-Out Box

ECU TERMINAL VALUES MEASUREMENT BY USING TOYOTA BREAK-OUT-BOX AND TOYOTA HAND-HELD TESTER

a. Hook up the TOYOTA break-out-box and TOYOTA hand-held tester to the vehicle.
b. Read the ECU input/output values by following the prompts on the 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.