Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Pinout Values and Diagnostic Parameters




ECM TERMINAL VALUES
^ Measurement by using Toyota Break-Out-Box and Toyota Hand-Held-Tester

1. Hook up the TOYOTA Brake-Out-Box and TOYOTA Hand-Held-Tester to the vehicle.
2. Read the Transmission Control Module (TCM) input/output values by following the prompts on the tester screen.

HINT: TOYOTA hand-held-tester has "Snapshot" function. This record 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.