Pinout Values and Diagnostic Parameters
ECU TERMINAL MEASUREMENT
Using TOYOTA breakout-box and TOYOTA hand-held tester, measure the ECU terminal value.
(1) Hook up the TOYOTA hand-held tester and TOYOTA breakout-box to the vehicle.
(2) 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 breakout-box operator's manual for further details.
ECU TERMINAL VALUES