Toyota T100 1996 Service Manual page 522

DI−258
3 Check circuit opening relay.
2 1
4
3 6
2 (+)
OK
4 Check voltage between terminal FC of ECM connector and body ground.
ON
FC (+)
For M/T
For A/T
BE6653
P24225
P24335
OK
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
PREPARATION:
Remove the circuit opening relay (See page SF−46).
CHECK:
(a)
(b)
OK:
1 (+)
4 (−)
A00685
PREPARATION:
(a)
(b)
CHECK:
Measure voltage between terminal FC of ECM connector and
body ground.
OK:
FC (+)
A00128
− ENGINE (5VZ−FE)
Apply battery voltage between terminals 2 and 4.
Measure voltage between terminals 1 and 4.
Voltage: Same as battery
NG Replace circuit opening relay.
Remove the right cowl side trim (See page SF−61).
Turn the ignition switch ON.
Voltage: 9 − 14 V
NG Check for open in harness and connector be-
tween EFI main relay and circuit opening relay,
and ECM (See page IN−26).