Toyota T100 1996 Service Manual page 421

4 Check for short in harness and ECM.
ON
Intake Air
Temp. Sensor
3
4
BE6653
P19554
NG
5 Check for short in harness or ECM.
ON
Intake Air
Temp. Sensor
For M/T
For A/T
BE6653
FI7056
P19798
FI7034
NG
Check and replace ECM (See page IN−26).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
PREPARATION:
(a)
ECM (b)
CHECK:
5 V
12 14
Read temp. value on the OBD II scan tool or TOYOTA
THA
E6 E6
hand−held tester.
9 22
E2
E6 E6
OK:
E1
(M/T) (A/T)
A00048
PREPARATION:
(a)
ECM
(b)
5 V
HINT:
THA
The mass air flow meter connector is disconnected.
E2
E1
(c)
CHECK:
Read temp. value on the OBD II scan tool or TOYOTA
hand−held tester.
OK:
E6 Connector
E6 Connector
A00103
− ENGINE (5VZ−FE)
Disconnect the mass air flow meter connector.
Turn the ignition switch ON.
Temp. value: − 40°C (− 40°F)
OK Replace mass air flow meter.
Remove the right cowl side trim (See page SF−61).
Disconnect the E6 connector of the ECM.
Turn the ignition switch ON.
Temp. value: − 40°C (− 40°F)
OK Repair or replace harness or connector.
DI−157