Mitsubishi Galant 9G. Manual — part 801
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-646
STEP 9. Check harness connector B-19 at PCM for
damage.
Q: Is the harness connector in good condition?
YES : Go to Step 10.
NO : Repair or replace it. Refer to GROUP 00E, Harness
. Then go to Step 12.
STEP 10. Check for harness damage between MFI relay
connector B-17X (terminal No. 4) and evaporative emission
ventilation solenoid connector F-08 (terminal No. 2).
AK303153
4 3 2 1
7 6 5
9 8
11 10
14 13 12
18 17 16 15
CONNECTOR: B-19
PCM
AB
AIR CLEANER
HARNESS CONNECTOR:
COMPONENT SIDE
B-19 (B)
AK303806
2
1
3
4
AB
CONNECTOR: B-17X
B-17X
RELAY BOX
TRIANGLE
MARK
HARNESS CONNECTOR:
COMPONENT SIDE
AK303873
1
2
AB
CONNECTOR: F-08
F-08 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-647
NOTE: Check harness after checking intermediate connectors
A-13 and C-25. If intermediate connectors are damaged, repair
or replace them. Refer to GROUP 00E, Harness Connector
Inspection
. Then go to Step 12.
Q: Is the harness wire in good condition?
YES : Go to Step 11.
NO : Repair it. Then go to Step 12.
STEP 11. Check for harness damage between evaporative
emission ventilation solenoid connector F-08 (terminal No.
1) and PCM connector B-19 (terminal No. 2).
NOTE: Check harness after checking intermediate connector
C-25. If intermediate connector is damaged, repair or replace it.
Refer to GROUP 00E, Harness Connector Inspection
.
Then go to Step 12.
Q: Is the harness wire in good condition?
YES : Replace the PCM. Then go to Step 12.
NO : Repair it. Then go to Step 12.
AK303873
1
2
AB
CONNECTOR: F-08
F-08 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
AK303153
4 3 2 1
7 6 5
9 8
11 10
14 13 12
18 17 16 15
CONNECTOR: B-19
PCM
AB
AIR CLEANER
HARNESS CONNECTOR:
COMPONENT SIDE
B-19 (B)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-648
STEP 12. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to
Diagnostic Function
− OBD-II Drive Cycle − Procedure 6 −
(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0446 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
DTC P0450: Evaporative Emission System Pressure Sensor malfunction
AC306277
A
B
C
D
E
F
G
H
P
Q
R
O
N
M
I
J
K
L
AC
INTAKE MANIFOLD
FUEL TANK
EVAPORATIVE EMISSION
VENTILATION SOLENOID
CHECK VALVE
EVAPORATIVE EMISSION
PURGE SOLENOID
EVAPORATIVE
EMISSION CANISTER
ONBOARD REFUELING
VAPOR RECOVERY(ORVR)
VENT VALVE MODULE
FUEL TANK DIFFERENTIAL
PRESSURE SENSOR
SYSTEM DIAGRAM
CHAMBER
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-649
FUEL TANK
DIFFERENTIAL
PRESSURE
SENSOR
POWERTRAIN
CONTROL
MODULE
Fuel Tank Differential Pressure Sensor Circuit
AC306128
AC306248
B-20 HARNESS
CONNECTOR:
COMPONENT SIDE
AB
B-20
CONNECTOR: B-20
PCM
AIR
CLEANER
AC305231
CONNECTOR: C-25
AM
C-25
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