toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Relays and Modules - Cooling System > < Electronic Brake Control Module|Diagrams|Page 41
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Measure ECU Terminal Values

ECU TERMINAL VALUES MEASUREMENT USING TOYOTA BREAK-OUT-BOX AND TOYOTA HAND-HELD TESTER

1. Hook up the TOYOTA hand-held tester and TOYOTA brake-out-box to the vehicle.
2. Read the ECU input/output values by following the prompts on the tester screen.

NOTE: 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 operator's manual for further details.

Relays and Modules - Cooling System > < Electronic Brake Control Module|Diagrams|Page 41