Mitsubishi Galant (2004+). Manual — part 1005
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-837
DTC P2100: Throttle Actuator Control Motor Circuit (open)
6
1 2 3 4 5
22
21
23 24 25
26 27 28 29
30 31 32 33 34
35 36 37 38
39 40 41 42 43
121 122 123 124 125 126 127
128 129 130 131 132 133
134 135 136 137 138 139 140
141 142 143 144 145 146
147 148 149 150 151 152 153
AK303900
GREEN-WHITE
GREEN-YELLO
W
B-06
147
6
1
THROTTLE ACTUATOR
CONTROL MOTOR
POWERTRAIN
CONTROL
MODULE (PCM)
GROUNDING
CONNECTOR
141
38
34
2
A-14
(MU802755)
BLA
CK
BLA
CK
GND
GND
B-23
B-20
5
Throttle Actuator Control Motor Circuit
AK303817AB
CONNECTOR: B-06
B-06 (B)
THROTTLE
ACTUATOR
CONTROL
MOTOR
THROTTLE
POSITION
SENSOR
AK303901AB
CONNECTOR: A-14
A-14 (GR)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-838
.
CIRCUIT OPERATION
• Controls the current that is applied from the PCM
(terminals No. 141, No. 147) to the throttle actua-
tor control motor (terminals No. 1, No. 2).
.
TECHNICAL DESCRIPTION
• PCM varies the direction and the amperage of
the current that is applied to the throttle actuator
control motor in order to control the opening of
the throttle valve.
.
DESCRIPTIONS OF MONITOR METHODS
Motor circuit current is smaller than the specified
value.
.
MONITOR EXECUTION
Continuous
.
MONITOR EXECUTION CONDITIONS (Other
monitor and Sensor)
Other Monitor (There is no temporary DTC stored
in memory for the item monitored below)
• Not applicable
Sensor (The sensor below is determined to be
normal)
• Not applicable
.
DTC SET CONDITIONS
Check Condition
• Battery positive voltage is higher than 8.3 volts.
Judgement Criteria
• Throttle actuator control motor circuit current
should be 0.1 ampere or less for 0.72 second.
.
OBD-II DRIVE CYCLE PATTERN
None.
.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are:)
• Throttle actuator control motor failed.
• Open throttle actuator control motor circuit, har-
ness damage or connector damage.
• PCM failed.
DIAGNOSIS
Required Special Tools:
• MB991958: Scan tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991910: Main Harness A
AK303191
CONNECTORS: B-20, 23
PCM
AB
AIR CLEANER
B-20
B-23
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-839
STEP 1. Check harness connector B-06 at throttle actuator
control motor 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
. Then go to Step 8.
STEP 2. Check the throttle actuator control motor.
(1) Disconnect the connector B-06.
(2) Measure the resistance between throttle actuator control
motor side connector terminal No. 1 and No. 2.
Standard value: 0.3
− 80 ohms [at 20°C (68°F)]
Q: Is the measured resistance between 0.3 and 80 ohms [at
20
°C (68°F)]?
YES : Go to Step 3.
NO : Replace the throttle body assembly. Then go to Step
AK303818
1
6 5 4 3 2
AB
CONNECTOR: B-06
B-06 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
AK303818
1
6 5 4 3 2
AB
CONNECTOR: B-06
B-06 (B)
HARNESS
CONNECTOR:
COMPONENT SIDE
6
1 2 3 4 5
AK202992
THROTTLE ACTUATOR
CONTROL MOTOR
CONNECTOR
AB
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-840
STEP 3. Check harness connector B-23 at PCM for damage
Q: Is the harness connector in good condition?
YES : Go to Step 4.
NO : Repair or replace it. Refer to GROUP 00E, Harness
Connector Inspection
. Then go to Step 8.
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
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