ECM Terminal Voltage Inspection
ECM TERMINAL VOLTAGE INSPECTION
Using TOYOTA break-out-box and TOYOTA hand-held tester
1. Hook up the TOYOTA break-out-box and TOYOTA hand-held tester 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 break-out-box operators manual for further details.