ABS ECU Wiring Harness

Remove ABS ECU, leaving connectors attached. See ABS ECU under REMOVAL & INSTALLATION . Backprobe each terminal to measure voltage or continuity at each terminal. If circuit values are not as specified in specification table, check and repair or replace indicated component. See Fig 2.
Disconnect ABS ECU connectors. Measure resistance on wire harness side of ABS ECU connector terminals. If circuit values are not as specified in specification table, check and repair or replace indicated component. See Fig 3.

Fig 1: Identifying ABS Component Connectors

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Fig 2: Testing ABS ECU Wiring Harness - Connected (1 Of 2)

Fig 3: Testing ABS ECU Wiring Harness - Disconnected (2 Of 2)