Operation CHARM: Car repair manuals for everyone.

Standard Values of ECU Terminals





(a) Hook up the LEXUS break-out-box and LEXUS hand-held tester to the vehicle.
(b) Read the ECU input/output values by following the prompts on the tester screen.
(c) Please refer to the LEXUS hand-held tester has a "Snap- shot" function. This records the measured data and is effective in the diagnosis of intermittent problems.





ECU Terminals








Standard Voltage Values