Abs Ecu Wiring Harness

Remove ABS ECU. See ABS ECU under REMOVAL & INSTALLATION. With ABS ECU connectors attached, backprobe ABS ECU connector terminals. Measure voltage and continuity between indicated terminal and body ground. See Fig 1. If any circuit value is not as specified, check and repair or replace indicated trouble part.
Unplug ABS ECU connectors. Check resistance and continuity, on wire harness side, between indicated terminals and body ground of ABS ECU connectors. See Fig 2 and Fig 3 . If any circuit value is not as specified, check and repair or replace indicated troubled part.

Fig 1: Testing ABS ECU Wiring Harness - Connected (1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Identifying ABS ECU Terminals - Disconnected (2 Of 3)

Fig 3: Testing ABS ECU Wiring Harness - T100 (3 Of 3)