Toyota T100 1996 Service Manual page 385

3 Check circuit opening relay.
1
2
4
3
6
2 (+)
OK
4 Check voltage between terminal FC of ECM connector and body ground.
ON
For M/T
For A/T
FC (+)
BE6653
P24224
P24225
OK
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
PREPARATION:
Remove the circuit opening relay (See page MF−42).
CHECK:
(a)
(b)
OK:
1 (+)
4 (−)
NG
A00685
PREPARATION:
(a)
(b)
FC (+)
CHECK:
Measure voltage between terminal FC of ECM connector and
body ground.
OK:
NG
A00095
− ENGINE (3RZ−FE)
Apply battery voltage between terminals 2 and 4.
Measure voltage between terminals 1 and 4.
Terminals 1 and 4
Replace circuit opening relay.
Remove the right cowl side trim (See page MF−50).
Turn the ignition switch ON.
Voltage: 9 − 14 V
Check for open in harness and connector be-
tween EFI main relay and circuit opening relay,
circuit opening relay and ECM.
DI−121
Same as battery