Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 79

13D-14
Code No. 13 Intake air temperature sensor system
Range of Check
D Ignition switch: ON
D Excluding 60 seconds after the ignition switch is turned to ON or immediately
after the engine starts.
Set conditions
D Sensor output voltage is 4.6 V or more (corresponding to an intake air temperature
of - 45_C or less) for 4 seconds.
or
D Sensor output voltage is 0.2V or less (corresponding to an intake air temperature
of 125_C or more) for 4 seconds.
Check the intake air temperature
sensor. (Refer to P.13D-86.)
OK
Measure at the air flow sensor con-
nector A-07.
D Disconnect the connector, and
measure at the harness side.
D Voltage between 6 and earth
(Ignition switch: ON)
OK: 4.5 - 4.9 V
D Continuity between 5 and earth
OK: Continuity
OK
Check the following connector:
A-07
OK
Check trouble symptom.
MPI -
Troubleshooting
NG
Replace
NG
NG
Repair
NG
Replace the engine-ECU <M/T>
or engine-A/T-ECU <A/T>.
Probable cause
D Malfunction of the intake air temperature sensor
D Improper connector contact,
short-circuited harness wire of the intake air
temperature sensor circuit
D Malfunction of the engine-ECU
engine-A/T-ECU <A/T>
Check the following connector:
B-51 <M/T>, B-112 <A/T>
OK
Check trouble symptom.
NG
Check the harness wire between
the engine-ECU <M/T> or engine-
A/T-ECU <A/T> and the intake air
temperature sensor connector.
OK
Replace the engine-ECU <M/T>
or engine-A/T-ECU <A/T>.
open circuit or
<M/T> or
NG
Repair
NG
Repair