Mitsubishi Lancer Evolution IX. Manual - part 463
TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI)
13A-327
STEP 8. Perform voltage measurement at A-17
fan controller connector.
• Disconnect connector, and measure at harness
side.
• Ignition switch: "ON"
• Voltage between terminal No. 3 and earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 12 .
NO :
Go to Step 9 .
STEP 9. Check harness between A-09X (terminal
No. 2) radiator fan control relay connector and
A-17 (terminal No. 3) fan controller connector.
• Check output line for open/short circuit.
Q: Is the check result normal?
YES :
Go to Step 10 .
NO :
Repair the damaged harness wire.
STEP 10. Connector check: B-12X engine control
relay connector
Q: Is the check result normal?
YES :
Go to Step 11 .
NO :
Repair or replace the connector.
STEP 11. Check harness between B-12X (terminal
No. 4) engine control relay connector and A-09X
(terminal No. 1) radiator fan control relay
connector.
NOTE: Before checking harness, check intermediate
connectors A-13*
1
or C-31*
2
and C-105, and repair if
necessary.
• Check power supply line for damage.
Q: Is the check result normal?
YES :
Check and repair harness between A-09X
(terminal No. 3) radiator fan control relay
connector and body earth.
• Check earthing line for damage.
NO :
Repair the damaged harness wire.
AK305256
1
2
3
AB
Connector: A-17
A-17 (GR)
Harness side connector
AK305263
3
1
2
4
AB
A-09X
Harness side
connector
Connector: A-09X
AK305256
1
2
3
AB
Connector: A-17
A-17 (GR)
Harness side connector
AK305003
2
1
3
4
AB
Connector : B-12X
B-12X
Harness side
connector
Relay box’s
triangle marks
AK305003
2
1
3
4
AB
Connector : B-12X
B-12X
Harness side
connector
Relay box’s
triangle marks
AK305263
3
1
2
4
AB
A-09X
Harness side
connector
Connector: A-09X