Toyota T100 1996 Service Manual page 616

DI−352
INSPECTION PROCEDURE
1 Check for open and short in harness and connector between Deceleration sen-
sor and ECU (See page IN−26).
OK
2 Check voltage between terminals GS1, GS2, GST of ABS ECU and body ground.
ON
(+)
(−)
GS2
BE6653
R15784
OK
Check and replace deceleration sensor.
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
PREPARATION:
(a)
(b)
GST
(c)
CHECK:
Measure voltage between terminals GS1, GS2, GST of ECU
GS1
and Body ground.
OK:
F00459
− ANTI−LOCK BRAKE SYSTEM
NG Repair or replace harness or connector.
Remove the ABS ECU with the connectors still con-
nected.
Disconnect the deceleration sensor connector.
Turn the ignition switch ON.
Voltage:
GS1, GS2: about 5 V
GST: As shown below
ON
IG SW
OFF
12 V
GST
0 V
NG Check and replace ABS ECU.
1.5 sec. 0.5 sec.
F00012