Toyota T100 1996 Service Manual page 604

DI−340
2 Check for open and short in harness and connector between ABS ECU and
actuator (See page IN−26).
OK
If same code is still output after DTC is deleted, check contact condition of each connection.
If connector are normal, ECU may be defective.
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − ANTI−LOCK BRAKE SYSTEM
NG Repair or replace harness or connector.