Mitsubishi Outlander GS45X. Manual — part 747
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-811
STEP 8. Check for harness damage between MFI relay
connector A-33X (terminal No. 2) and ignition coil
connector B-01, B-19, B-04 and B-18 (terminal No. 3)
NOTE: Check harness after checking intermediate connector
A-13. If intermediate connector is damaged, repair or replace it.
After to GROUP 00E, Harness Connector Inspection
P.00E-2
.
Then check that the malfunction is eliminated.
Q: Is the harness wire in good condition?
YES : Go to Step 9.
NO : Repair it. Then confirm that the malfunction symptom
is eliminated.
STEP 9. Check for harness damage between ignition coil
connector and ECM connector.
a. Check the harness wire between ignition coil connector
B-01 (terminal No. 2) and ECM connector B-10 (terminal
No. 151) at ignition coil 1.
b. Check the harness wire between ignition coil connector
B-19 (terminal No. 2) and ECM connector B-10 (terminal
No. 143) at ignition coil 2.
c. Check the harness wire between ignition coil connector
B-04 (terminal No. 2) and ECM connector B-10 (terminal
No. 150) at ignition coil 3.
d. Check the harness wire between ignition coil connector
B-18 (terminal No. 2) and ECM connector B-10 (terminal
No. 148) at ignition coil 4.
Q: Is the harness wire in good condition?
YES : Replace the ECM. When the ECM is replaced,
register the ID code. Refer to GROUP 42B, Diagnosis
− ID Code Registration Judgment Table <Vehicles
with KOS>
P.42B-15
or GROUP 42C, Diagnosis
− ID
Codes Registration Judgment Table <Vehicles with
WCM>
P.42C-10
. Then confirm that the malfunction
symptom is eliminated.
NO : Repair it. Then confirm that the malfunction symptom
is eliminated.
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-812
Inspection procedure 26: A/C system
AK900376
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
1
2
3
4
1
10 111213 14 1516 17 1819 20
2 3 4
5 6 7 8 9
1
WHITE
WHITE
7
10A
ORANGE
A/C COMPRESSOR
CLUTCH RELAY
4
2
1
A-16X
B-17
MU802655
A-13
OFF
A/C
REFRIGERANT
TEMPERATURE
SWITCH
A/C COMPRESSOR CLUTCH ASSEMBLY
A/C
COMPRESSOR
CLUTCH
A/C COMPRESSOR CLUTCH RELAY CIRCUIT
102
AC
B-11
LIGHT GREEN
LIGHT GREEN
3
1
5
OFF
ON
ON
FUSIBLE LINK 36
ON
→
OFF
: 155˚C
OFF
→
ON
: 125˚C
RELAY BOX
(ENGINE COMPARTMENT)
ENGINE CONTROL MODULE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-813
.
CIRCUIT OPERATION
• When the A/C switch ON signal is input into the
ECM, the ECM turns ON the A/C compressor
relay. This causes battery positive voltage to be
supplied to the A/C compressor and the magnet
clutch actuates.
.
COMMENT
• When the A/C is "ON" the ECM turns "ON" the
power transistor in the ECM. The ECM delays
A/C engagement momentarily while it increases
idle speed. Then the A/C compressor clutch relay
coil will be energized.
With this, the A/C compressor clutch relay turns
"ON", and the A/C compressor clutch operates.
.
TROUBLESHOOTING HINTS (The most
likely causes for this case: )
• Malfunction of the A/C control system.
• Open or shorted A/C compressor relay circuit,
harness damage, or connector damage.
• Malfunction of the ECM.
DIAGNOSIS
STEP 1. Check harness connector B-11 at ECM for
damage.
Q: Is the harness connector in good condition?
YES : Go to Step 2.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
P.00E-2
. Then confirm that the
malfunction symptom is eliminated.
AK704087AB
Connector: A-13
A-13
AK704326
AB
A/C compressor relay
Connector: A-16X
A-16X
AK704097AB
Connector: B-11
B-11 (GR)
AK704327
AB
Connector: B-17
B-17 (B)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-814
STEP 2. Check the circuit at ECM connector B-11.
(1) Disconnect the connectors B-11 and measure at the
harness side.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal No. 102 and ground.
• Voltage should be battery positive voltage.
(4) Using a jumper wire, connect terminal No. 102 to ground.
• A/C compressor clutch relay should turn "ON".
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the voltage and A/C compressor relay condition
normal?
YES : Replace the ECM. When the ECM is replaced,
register the ID code. Refer to GROUP 42B, Diagnosis
− ID Code Registration Judgment Table <Vehicles
with KOS>
P.42B-15
or GROUP 42C, Diagnosis
− ID
Codes Registration Judgment Table <Vehicles with
WCM>
P.42C-10
. Then confirm that the malfunction
symptom is eliminated.
NO : Refer to GROUP 55A, Manual A/C Diagnosis
−
Introduction To Heater, Air Conditioning And
Ventilation Diagnosis
<Manual A/C>, 55B,
Automatic A/C Diagnosis
− Introduction To Heater, Air
Conditioning And Ventilation Diagnosis
P.55B-3
<Automatic A/C>. Then confirm that the malfunction
symptom is eliminated.
Inspection procedure 27: Engine oil pressure switch system
82 81 80 79 78 77 76 75 74 73 72 71
94 93 92 91 90 89 88 87 86 85 84 83
99 98 97 96 95
100
101
102
103
104
105
106
112
113
114
109 108
107
110
111
115
116
117
118
AK700226AB
B-11 harness
connector:
component side
AK604021
1
2
3 4 5 6 7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
1
2
1
3
36
GRA
Y
GRA
Y
ENGINE OIL
PRESSURE
SWITCH
B-16
1
ENGINE OIL PRESSURE SWITCH CIRCUIT
AC
B-10
OFF
ON
3
B-24
MU802603
ENGINE
CONTROL
MODULE
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