Mitsubishi FUEL Manual page 210

13I-16
From the previous page
OK
Measure at air flow sensor connector
B-12.
D Connect connector terminals No.
1, No. 2 and No. 5 only by using
test harness (MB991709), and
measure at the pick-up harness.
D Ignition switch: ON
(1) Voltage between terminal 1 and
earth
OK: 4.8 - 5.2 V
(2) Voltage between terminal 2 and
earth
OK: Altitude 0 m: 3.7 - 4.3 V
Altitude 1,200 m:
3.2 - 3.8 V
(3) Voltage between terminal 5 and
earth
OK: 0.5 V or less
OK
Measure at engine-ECU connector
C-164 <M/T> or engine-A/T-ECU
connector C-176 <A/T>.
D Measure the voltage at the
engine-ECU terminal.
D Ignition switch: ON
D Voltage between terminal 51
<M/T>, 55 <A/T> and earth
OK: Altitude 0 m: 3.7 - 4.3 V
Altitude 1,200 m:
3.2 - 3.8 V
GDI -
Troubleshooting
(1) NG
Check the following connectors:
(3) NG
(C-163, C-164) <M/T>, C-175 <A/T>,
C-47 <RHD>
Check the harness between the air
flow sensor and the engine-ECU
<M/T> or engine-A/T-ECU <A/T>,
and repair if necessary.
(2) NG
Replace the air flow sensor.
Check the trouble symptoms.
Check the following connectors:
C-164 <M/T>, C-176 <A/T>
Check the harness between the air
flow sensor and the engine-ECU
<M/T> or engine-A/T-ECU <A/T>,
and repair if necessary.
NG
Check the following connectors:
C-164 <M/T>, C-176 <A/T>
Check the harness between the air
flow sensor and the engine-ECU
<M/T> or engine-A/T-ECU <A/T>,
and repair if necessary.
OK
Check the following connectors:
C-164 <M/T>, C-176 <A/T>
Check the trouble symptoms.
Replace the engine-ECU <M/T> or
engine-A/T-ECU <A/T>.
NG
OK
NG
NG
OK
NG
OK
NG
OK
NG
Repair
Repair
Repair
Repair