Operation CHARM: Car repair manuals for everyone.

Pinout Values and Diagnostic Parameters

NOTE: - Tools Required:
- TOYOTA Break-out-box, or equivalent.
- TOYOTA Hand-held tester, or equivalent.

Break-Out-Box And Hand-Held Tester:





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:
- 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 operators manual for further details.