A00212
ON
Intake Air
Temp. Sensor
ECM
5 V
E2
22
THA
E11
E11
18
A02043
ON
Intake Air Temp. Sensor
E11
THA
E2
5 V
ECM
DI-30
-
DIAGNOSTICS
ENGINE
184
Author:
Date:
2001 SIENNA (RM787U)
Confirm good connection at ECM.
If OK, check and replace ECM.
4
Check for short in harness and ECM.
PREPARATION:
(a)
Disconnect the mass air flow meter connector.
(b)
Turn the ignition switch ON.
CHECK:
Read temp. value on the OBD II scan tool or TOYOTA
hand-held tester.
OK:
Temp. value: -40
°
C (-40
°
F)
OK
Replace mass air flow meter.
NG
5
Check for short in harness or ECM.
PREPARATION:
(a)
Remove the glove compartment (See page
).
(b)
Disconnect the E11 connector of ECM.
HINT:
Mass air flow meter connector is disconnected.
(c)
Turn the ignition switch ON.
CHECK:
Read temp. value on the OBD II scan tool or TOYOTA
hand-held tester.
OK:
Temp. value: - 40
°
C (- 40
°
F)
OK
Repair or replace harness or connector.
NG
Check and replace ECM (See page
).
