Toyota T100 1996 Service Manual page 613

4 Check ECU−IG fuse.
J/B No.1
Fuse Box
ECU−IG Fuse
OK
Check for open in harness and connector between ABS ECU and battery (See page IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS − ANTI−LOCK BRAKE SYSTEM
PREPARATION:
Remove the ECU−IG fuse from the J/B No.1.
CHECK:
Check continuity of ECU−IG fuse.
OK:
Continuity
A00777
NG Check for short in all harness and components
connected to ECU−IG fuse (See attached wiring
diagram).
DI−349