Toyota Camry Manual page 1257

DI–230
1 Connect OBD II scan tool or TOYOTA hand–held tester, and read value of
intake air temp.
PREPARATION:
(a) Connect 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).
D
If there is short circuit, OBD II scan tool or TOYOTA hand–held tester indicates 140°C (284°F) or more.
D
OK
Check for intermittent problems
(See page DI–197).
2 Check for open in harness or ECM.
ON
Intake Air
Temp. Sensor
1
2
NG
DIAGNOSTICS
NG
PREPARATION:
(a) Disconnect the mass air flow meter connector.
(b) Connect sensor wire harness terminals together.
ECM
(c) Turn the ignition switch ON.
5 V CHECK:
22
E10
Read temp. value on the OBD II scan tool or TOYOTA
THA
18
hand–held tester.
E10
E2
OK:
Temp. value: 140 C (284 F) or more
A00210
OK
– ENGINE (1MZ–FE)
–40°C (–40°F) ... Go to step 2.
140°C (284°F) or more ... Go to step 4.
Confirm good connection at sensor.
If OK, replace mass air flow meter.
Author : Date :
465