Electronic Brake Control Module: Testing and Inspection
ECU TERMINAL MEASUREMENT
Using TOYOTA break-out-box and TOYOTA hand-held tester, measure the ECU terminal values.
(1) Turn the ignition switch OFF.
(2) Hook up the TOYOTA hand-held tester and TOYOTA break-out-box to the vehicle.
(3) Turn the ignition switch ON.
(4) Read the ECU input /output values by following the prompts on the tester screen.
ECU TERMINAL VALUES