DTC P0112, P0113 IAT SENSOR
EC-225
C
D
E
F
G
H
I
J
K
L
M
A
EC
Diagnostic Procedure
NBS000PH
1.
CHECK GROUND CONNECTIONS
1.
Turn ignition switch OFF.
2.
Loosen and retighten two ground screws on the body. Refer to
EC-159, "Ground Inspection"
.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace ground connections.
2.
CHECK INTAKE AIR TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
1.
Disconnect mass air flow sensor (with intake air temperature
sensor) harness connector.
2.
Turn ignition switch ON.
3.
Check voltage between mass air flow sensor terminal 5 and
ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connectors.
3.
CHECK INTAKE AIR TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check harness continuity between mass air flow sensor terminal 6 and ECM terminal 67.
Refer to Wiring Diagram.
4.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 4.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB2192E
PBIB1077E
Voltage: Approximately 5V
PBIB1169E
Continuity should exist.