MPI <4G9> -
Troubleshooting
13A-97
OK
Measure at air flow sensor connector
A-99.
D
Use the test harness (MB991709)
to connect only terminals 5 and
6, and then measure at the
pick-up harness.
D
Ignition switch: ON
D
Voltage between terminal 6 and
earth
OK:
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 80
_
C:
0.4 - 1.0 V
NG
Check the following connectors:
A-99, B-34 <M/T>, B-94 <A/T>
NG
Repair
OK
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 trouble symptoms.
NG
Replace the engine-ECU <M/T> or
engine-A/T-ECU <A/T>.
From the previous page
NOTE:
*: Refer to the 2000 COLT/LANCER Workshop Manual (Pub. No. PWME9911-B).
