Component Testing

For component testing, see CIRCUIT TESTS . ABS ECU values can be measured using Toyota Hand-Held Tester and Break-Out Box. ABS circuits and harness can also be tested by backprobing ABS ECU connectors and comparing measured voltages with ABS ECU standard values chart. See Fig 1 or Fig 2 .

Fig 1: ABS ECU Standard Values Chart (2WD)

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Fig 2: ABS ECU Standard Values Chart (4WD)

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