Pinout Values and Diagnostic Parameters

ECU TERMINALS MEASUREMENT

(d) Using TOYOTA brake -out-box and TOYOTA hand-held tester, measure the ECU terminal valves.





(1) Hook up the TOYOTA hand-held tester and TOYOTA break-out-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.





TERMINAL VALUES