Mitsubishi FUEL Manual page 230

13I-36
Code No. P0202 No. 2 injector system
Range of Check
D The engine speed is 4,000 r/min or less.
D The battery voltage is 10 V or more.
D The fuel cut operation or the injector operation (by carrying out the Actuator
Test) is not in progress.
Set Conditions
D The injector driver is not transmitting a injector open circuit check signal for
four seconds.
MUT-II Actuator Test
02 No. 2 injector
OK: The idling condition should
change.
NG
Check the following connector:
B-98
OK
Measure at intermediate connector
B-98.
D Disconnect the connector and
measure at the harness side.
D Resistance between terminals 3
and 4
OK: 0.9 - 1.1 W
OK
Check the following connector:
B-96
OK
Check the harness wire between the
injector driver and the intermediate
connector.
OK
Check the following connectors:
C-165 <M/T>, C-177 <A/T>
OK
Check the harness wire between the
injector driver and the engine-ECU
<M/T> or engine-A/T-ECU <A/T>.
OK
Use an analyzer to measure the
signal waveform at engine-ECU
connectors C-163 and C-165 <M/T>
or engine-A/T-ECU connectors C-176
and C-177 <A/T>.
D Engine: Idling
D Voltage between terminal 9 and
earth
OK: A normal waveform should
be displayed as described
on P.13I-118 (INSPECTION
PROCEDURE USING AN
ANALYZER).
OK
Check the following connector:
B-03
OK
To the next page
GDI -
Troubleshooting
OK
Check the trouble symptoms.
Replace the injector driver.
Check the trouble symptoms.
NG
Repair
NG
Check the following connector:
B-03
Check the harness wire between No.
2 injector and the intermediate
connector.
Replace the No. 2 injector.
NG
Repair
NG
Repair
NG
Repair
NG
Repair
NG
Check the following connector:
B-03
Check the harness wire between the
No. 2 injector and the intermediate
connector.
Replace the engine-ECU <M/T> or
engine-A/T-ECU <A/T>.
NG
Repair
Probable cause
D Malfunction of No. 2 injector
D Open or short circuit in the No. 2 injector circuit or
loose connector contact
D Malfunction of engine-ECU <M/T>
D Malfunction of engine-A/T-ECU <A/T>
OK
NG
NG
NG
OK
NG
OK
NG
OK
NG
OK
Transient malfunction
(Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions.)
Replace the engine-ECU <M/T> or
engine-A/T-ECU <A/T>.
Repair
Repair
Repair
Repair