Pinout Values and Diagnostic Parameters

NOTE: Tool Required:
- TOYOTA hand-held tester/TOYOTA break-out-box, or equivalent.

ECU Terminal Values Measurement:

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

NOTE: The 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 hand-held tester/break-out-box operator's manual for further details.