Mitsubishi Lancer Evolution-VII Workshop Manual page 722

13A-18
From the previous page
OK
Measure at the B-31 air flow sensor
connector.
D Using the test harness
(MB991709), connecting only
connector terminals No. 5 and
No. 6, and measure at the
pickup harness.
D Ignition switch: ON
D Voltage between terminal No. 6
and earth.
OK: Ambient temperature - 20_C
3.8 - 4.4 V
Ambient temperature 0_C
3.2 - 3.8 V
Ambient temperature 20_C
2.3 - 2.9 V
Ambient temperature 40_C
1.5 - 2.1 V
Ambient temperature 60_C
0.8 - 1.4 V
Ambient temperature 80_C
0.4 - 1.0 V
OK
MUT-II Data list
D No. 13 intake air temperature
sensor
OK: Ambient temperature (More
or less the same as the air
temperature)
OK
Intermittent malfunction
(Refer to GROUP 00 - Points to Note
for Intermittent Malfunctions.)
MPI -
Troubleshooting
NG
Check the following connectors:
C-115
Check and repair the harness between
the air flow sensor and engine-ECU.
D Check for damage of the output
wire.
D Check for damage of the earth
wire.
NG
Replace engine-ECU.
NG
OK
Repair