Mitsubishi FUEL Manual page 105

Code No. P0110 Intake air temperature sensor system
Range of Check
D Two seconds have passed since the ignition switch is turned ON or the
engine starting process is completed.
Set Conditions
D The sensor output voltage is 4.6 V or more for four seconds (equivalent to
- 45_C of intake air temperature)
or
D The sensor output voltage is 0.2 V or more for four seconds (equivalent to
125_C of intake air temperature)
MUT-II Data list
13 Intake air temperature sensor
OK: Roughly the same as ambi-
ent temperature.
NG
Check the intake air temperature
sensor itself.
(Refer to P.13A-193*.)
OK
Check the following connector:
B-12
OK
Measure at air flow sensor connector
B-12.
D Disconnect the connector and
measure at the harness side.
(1) Resistance between terminal 5
and earth
OK: 2 W or less
(2) Voltage between terminal 6 and
earth
(Ignition switch: ON)
OK: 4.8 - 5.2 V
OK
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MPI <6A1> -
OK
Transient malfunction
(Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions.)
NG
Repair
NG
Repair
(1) NG
Check the following connector:
C-167
Check the harness between the air
flow sensor and the engine-ECU.
Check the trouble symptoms.
(2) NG
Measure at engine-ECU connector
C-167.
D Measure the voltage at the
engine-ECU terminal.
D Disconnect connector B-12.
D Ignition switch: ON
D Voltage between terminal 62 and
earth
OK: 4.8 - 5.2 V
Check the following connector:
C-167
Check the harness between the air
flow sensor and the engine-ECU.
Check the trouble symptoms.
Troubleshooting
Probable cause
D Malfunction of intake air temperature sensor
D Open or short circuit in intake air temperature
sensor or loose connector contact
D Malfunction of engine-ECU
NG
OK
NG
OK
NG
OK
NG
NG
OK
NG
OK
NG
13A-105
Repair
Repair
Replace the engine-ECU.
Check the following connector:
C-167
NG
OK
Repair
Check the harness between the air
flow sensor and the engine-ECU,
and repair if necessary.
Repair
Repair
Replace the engine-ECU.