Mitsubishi Galant 9G. Manual — part 862
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-890
STEP 4. Check for short circuit to ground and harness
damage between throttle actuator control motor connector
B-06 (terminal No. 1) and PCM connector B-23 (terminal
No. 147).
Q: Is the harness wire in good condition?
YES : Go to Step 5.
NO : Repair it. Then go to Step 7.
AK303818
1
6 5 4 3 2
AB
CONNECTOR: B-06
B-06 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
127 126 125 124 123 122 121
133 132 131 130 129 128
140 139 138 137 136 135 134
146 145 144 143 142 141
153 152 151 150 149 148 147
AK303058
HARNESS CONNECTOR:
COMPONENT SIDE
CONNECTOR: B-23
B-23
PCM
AB
AIR CLEANER
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-891
STEP 5. Check for short circuit to ground and harness
damage between throttle actuator control motor connector
B-06 (terminal No. 2) and PCM connector B-23 (terminal
No. 141).
Q: Is the harness wire in good condition?
YES : Go to Step 6.
NO : Repair it. Then go to Step 7.
AK303818
1
6 5 4 3 2
AB
CONNECTOR: B-06
B-06 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
127 126 125 124 123 122 121
133 132 131 130 129 128
140 139 138 137 136 135 134
146 145 144 143 142 141
153 152 151 150 149 148 147
AK303058
HARNESS CONNECTOR:
COMPONENT SIDE
CONNECTOR: B-23
B-23
PCM
AB
AIR CLEANER
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-892
STEP 6. 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) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK"(OFF) position.
Q: Is DTC P2101 set?
YES : Replace the PCM. Then go to Step 7.
NO : It can be assumed that this malfunction is intermittent.
Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points
− How to
Cope with Intermittent Malfunctions
.
STEP 7. Using scan tool MB991958, read the diagnostic
trouble code (DTC).
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK"(OFF) position.
Q: Is DTC P2101 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
AK303804AB
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827
AK303804AB
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-893
DTC P2122: Accelerator Pedal Position Sensor (main) Circuit Low Input
CAUTION
If DTC P2122 has been set, TCL related DTC
U1120 and U1400 are also set. After P2122 has
been diagnosed, don't forget to erase DTC U1120
and U1400.
.
22
21
23 24 25
26 27 28 29
30 31 32 33 34
35 36 37 38
39 40 41 42 43
6
1 2 3 4 5
AK303903
YELLO
W
-GREEN
GRA
Y
BR
O
W
N-WHITE
C-24
5 V
30
1
ACCELERATOR PEDAL
POSITION SENSOR
(MAIN)
POWERTRAIN CONTROL
MODULE (PCM)
26
31
3
2
Accelerator Pedal Position Sensor (main) Circuit
B-20
HALL IC
AC305244
AK303904AB
ACCELERATOR
PEDAL POSITION
SENSOR
CONNECTOR: C-24
C-24 (B)
AK303085
CONNECTOR: B-20
PCM
AB
AIR CLEANER
B-20
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