Mitsubishi FUEL Manual page 290

13I-96
INSPECTION PROCEDURE 33
M/T oil temperature sensor system
This sensor inputs the manual transmission oil temperature to the engine-ECU.
The engine-ECU uses this input to control the idle speed control servo so that
the idle speed is increased when the manual transmission oil temperature
becomes low.
Check the M/T oil temperature sensor. (Refer to GROUP 22 -
On-vehicle Service.)
Measure at the M/T oil temperature sensor connector B-102.
D Disconnect the connector, and measure at the harness
side.
D Voltage between 1 and earth (Ignition switch: ON)
OK: 4.8 - 5.2 V
D Continuity between 2 and earth
OK: Continuity
Check the following connector: B-102
OK
Check the trouble symptoms.
GDI -
OK
OK
NG
Repair
Troubleshooting
Probable cause
D Malfunction of the M/T oil temperature sensor
D Open circuit or short-circuited harness wire in the
M/T oil temperature sensor circuit
D Malfunction of the engine-ECU
NG
Replace
NG
Check the following connector: C-163
OK
Check trouble symptom.
Check the harness wire between the engine-ECU and the M/T
oil temperature sensor.
OK
NG
Replace the engine-ECU.
NG
Repair
NG
NG
Repair