Toyota T100 1996 Service Manual page 419

WIRING DIAGRAM
Intake Air Temp. Sensor
(Built into mass air flow meter)
INSPECTION PROCEDURE
HINT:
If DTCs P0110, P0115 and P0120 are output simultaneously, E2 (Sensor Ground) may be open.
1 Connect OBD II scan tool or TOYOTA hand−held tester and read value of
intake air temp.
PREPARATION:
(a) Connector the OBD II scan tool or TOYOTA hand−held tester to the DLC3.
(b) Turn the ignition switch ON and push the OBD II scan tool or TOYOTA hand−held tester main switch
ON.
CHECK:
Read temp. value on the OBD II scan tool or TOYOTA hand−held tester.
OK:
Same as actual intake air temp.
HINT:
If there is open circuit, OBD II scan tool or TOYOTA hand−held tester indicates − 40°C (− 40°F).
S
If there is short circuit, OBD II scan tool or TOYOTA hand−held tester indicates 140°C (284°F) or more.
S
OK
Check for intermittent problems
(See page DI−129).
1996 TOYOTA T100 (RM449U)
DIAGNOSTICS
3
Y−G
4
BR−B
NG
− ENGINE (5VZ−FE)
12
E6
9
E6
(M/T)(A/T)
− 40°C (− 40°F) ... Go to step 2.
140°C (284°F) or more ... Go to step 4.
ECM
5 V
R
14
THA
E6
22
E2
E6
E1
DI−155
P19948