Component Tests

For component testing, see appropriate test under CIRCUIT TESTS or DIAGNOSTIC 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 1-10.

Fig 1: ABS ECU Standard Values Chart (1997 2WD & 4WD 4 Door)

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Fig 2: ABS ECU Standard Values Chart (1997 4WD 2 Door)

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Fig 3: ABS ECU Standard Values Chart (1998)

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