Toyota T100 1996 Service Manual page 306

DI−42
4 Check voltage between terminals VTA and E2 of ECM connector.
ON
For M/T
VTA (+)
For A/T
VTA (+)
BE6653
P23810
P23811
OK
Check and replace ECM (See page IN−26).
5 Check voltage between terminals VCC and E2 of ECM connector.
ON
For M/T
VCC (+)
For A/T
VCC (+)
BE6653
P23812
P23813
OK
Check for open in harness and connector be-
tween ECM and sensor (VCC line) (See page
IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
PREPARATION:
(a)
(b)
E2 (−)
CHECK:
Measure voltage between terminals VTA and E2 of ECM con-
nector.
OK:
E2 (−)
A00052
PREPARATION:
(a)
(b)
E2 (−)
CHECK:
Measure voltage between terminals VCC and E2 of ECM con-
nector.
OK:
E2 (−)
A00028
− ENGINE (3RZ−FE)
Remove the right cowl side trim (See page MF−50).
Turn the ignition switch ON.
Throttle valve
Fully closed
Fully open
NG Check for open and short in harness and
connector between ECM and throttle position
sensor (VTA line) (See page IN−26).
Remove the right cowl side trim (See page MF−50).
Turn the ignition switch ON.
Voltage: 4.5 − 5.5 V
NG Check and replace ECM (See page IN−26).
Voltage
0.3 − 0.8 V
2.7 − 5.2 V