Mitsubishi Outlander GS45X. Manual — part 967
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-801
STEP 15. Check the purge control system.
Refer to GROUP 17, Emission Control
− Evaporative Emission
Control System
− Purge Control System Check (Purge Flow
Check)
Q: Is the purge control system normal?
YES : Go to Step 16.
NO : Repair it. Then confirm that the malfunction symptom
is eliminated.
STEP 16. Check the following items.
(1) Check the following items.
a. Check the injectors for fuel leakage.
b. Check if the injectors are clogged.
Q: Are there any abnormalities?
YES : Replace it. Then confirm that the malfunction
symptom is eliminated. Then confirm that the
malfunction symptom is eliminated.
NO : Replace the catalytic converter. Then confirm that the
malfunction symptom is eliminated.
INSPECTION PROCEDURE 19: Purge Flow Test of the Evaporative Emission Canister Failure.
.
COMMENT
• The test fails when the purge line or purge port is
clogged or if the evaporative emission purge
solenoid fails.
.
TROUBLESHOOTING HINTS (The most
likely causes for this case:)
• Purge line or purge port is clogged.
• Malfunction of the evaporative emission purge
solenoid.
• Evaporative emission canister is clogged.
DIAGNOSIS
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991910: Main Harness A
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-802
STEP 1. Using scan tool MB991958, read the diagnostic
trouble code (DTC).
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Read the DTC.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is any DTC set?
YES : Refer to Diagnostic Trouble Code Chart
.
NO : Refer to GROUP 17, Emission Control
− Evaporative
Emission Control System
− Purge Control System
Check (Purge Flow Check)
INSPECTION PROCEDURE 20: Pressure Test of the Evaporative System Failure
.
COMMENT
• The test fails if there is a leak from the fuel tank or
vapor line.
.
TROUBLESHOOTING HINTS (The most
likely causes for this case:)
• Loose fuel tank filler tube cap.
• Broken seal in fuel tank, vapor line evaporative
emission canister.
DIAGNOSIS
STEP 1. Check the evaporative emission purge solenoid.
Refer to GROUP 17, Emission Control
− Evaporative Emission
Control System
− Evaporative Emission Purge Solenoid Check
.
Q: Is the evaporative emission purge solenoid normal?
YES : Go to Step 2.
NO : Repair or replace it. Then confirm that the malfunction
symptom is eliminated.
AK700568AB
MB991824
MB991827
MB991910
Data link
connector
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-803
STEP 2. Check the evaporative emission ventilation
solenoid.
Refer to GROUP 17, Emission Control
− Evaporative Emission
Control System
− Evaporative Emission Ventilation Solenoid
Check
.
Q: Is the evaporative emission ventilation solenoid
normal?
YES : Check the following items, and repair or replace the
defective items.
a. Check for leaks from the vapor line or
evaporative emission canister.
b. Check for leaks from the fuel tank.
Then confirm that the malfunction symptom is
eliminated.
NO : Repair or replace it. Then confirm that the malfunction
symptom is eliminated.
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE>
13B-804
INSPECTION PROCEDURE 21: Power supply system and ignition switch - IG system.
1
3
2
4
71 72 73 74 75 76 77 78 79 80 81 82
83 84 85 86 87 88 89 90 91 92 93 94
95 96 97 98 99
100 101 102 103 104
112 113 114
109
108
107
110 111
115 116
106
105
118
117
AKA00832
1 2 3
4 5 6
1
6
4
5
9
8
10 11
13
15
14
12
16
7
2 3
1 2 3 4
5 6 7
15
14
13
12
11
10
9
8
1
2 3
4
5 6
93
81
5
6
IG2
ST
LOCK
ACC
IG1
20A
WHITE
WHITE
WHITE
A-33X
4
3
1
2
6
ETACS-ECU
C-304
C-317
10
22
7.5A
2
OFF
ON
POWER SUPPLY AND IGNITION SWITCH-IG CIRCUIT
WHITE
WHITE
WHITE-BLUE
RED-BLA
CK
73
104
82
GND
GND
92
B-11
IGNITION SWITCH
2
AB
C-210
FUSIBLE LINK
36
ENGINE CONTROL MODULE
MFI
RELAY
BATTERY
BACKUP
POWER
SOURCE
BLA
CK-RED
BLA
CK-WHITE
RELAY BOX
(ENGINE COMPARTMENT)
A-66
(MU802755)
GROUND
(FRONT: LH)
RED-WHITE
RED-WHITE
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