ABS ECU Circuits

Remove ABS ECU, leaving connectors attached. See ABS ECU under REMOVAL & INSTALLATION. Backprobe each terminal to measure voltage or resistance at each terminal, as specified in table. See Fig 1. If circuit values are not as specified, check and repair or replace indicated component.
Unplug ABS ECU connectors. Measure resistance on wire harness side of ABS ECU connector terminals, as specified in table. See Fig 2. If circuit values are not as specified, check and repair or replace indicated component.

Fig 1: Testing ABS ECU Circuits (1 of 2)

Fig 2: Testing ABS ECU Circuits (2 of 2)