2005 MITSUBISHI LANCER Transmission sensor
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IGNITION SYSTEM
ENGINE ELECTRICAL16-30
IGNITION SYSTEM
GENERAL INFORMATIONM1163000100294
This system is equipped with two ignition coils (A and
B) with built-in power transistors for the No. 1 and
No. 4 cylinders and the No. 2 and No. 3 cylinders
respectively.
Interruption of the primary current flowing in the
primary side of ignition coil A generates a high
voltage in the secondary side of ignition coil A. The
high voltage thus generated is applied to the spark
plugs of No. 1 and No. 4 cylinders to generate
sparks. At the time that the sparks are generated at
both spark plugs, if one cylinder is at the
compression stroke, the other cylinder is at the
exhaust stroke, so that ignition of the compressed
air/fuel mixture occurs only for the cylinder which is
at the compression stroke.
In the same way, when the primary current flowing in
ignition coil B is interrupted, the high voltage thus
generated is applied to the spark plugs of No. 2 and
No. 3 cylinders.The engine-ECU
turns the two power transistors inside the ignition
coils alternately on and off. This causes the primary
currents in the ignition coils to be alternately
interrupted and allowed to flow to fire the cylinders in
the order 1-3-4-2.
The engine-ECU
determines which ignition coil should be controlled
by means of the signals from the camshaft position
sensor which is incorporated in the camshaft and
from the crank angle sensor which is incorporated in
the crankshaft. It also detects the crankshaft position
in order to provide ignition at the most appropriate
timing in response to the engine operation
conditions. It also detects the crankshaft position in
order to provide ignition at the most appropriate
timing in response to the engine operation
conditions.
When the engine is cold or operated at high
altitudes, the ignition timing is slightly advanced to
provide optimum performance.
When the automatic transmission shifts gears, the
ignition timing is also retarded in order to reduce
output torque, thereby alleviating shifting shocks.
SYSTEM DIAGRAM
AK101074
Air flow sensor
<4G6> MAP sensor <4G1>
Intake air temperatur
sensor
Engine coolant
temperature sensor
Camshaft position
sensor
Crank angle sensor
Barometric pressure
sonsor <4G6>
Detonatoin sensor
Ignition switch-STEngine-A/T-
ECU Engine-ECU
Cylinder No.
23 4
AG
1 Spark plugIgnition coil AIgnition
switch
Battery
Page 146 of 788
DRIVE SHAFT ASSEMBLY
FRONT AXLE26-14
DRIVE SHAFT ASSEMBLY
REMOVAL AND INSTALLATIONM1261003500399
CAUTION
•Do not strike the ABS rotors installed to the BJ outer race of drive shaft against other parts when
removing or installing the drive shaft. Otherwise the ABS rotors will be damaged.
•Be careful not to strike the pole piece at the tip of the front ABS sensor with tools during servicing
work.
Pre-installation Operation
•Transmission Fluid Draining (Refer to GROUP
22A, On-vehicle Service − Transmission Oil
Replacement P.22A-8).
•Front Exhaust Pipe Removal (Refer to GROUP
15, Exhaust Pipe and Muffler P.15-11).Post-installation Operation
•Front Exhaust Pipe Installation (Refer to
GROUP 15, Exhaust Pipe and Muffler
P.15-11).
•Check the Ball Joint Dust Cover for cracks or
damage by pushing it with your finger.
•Transmission Fluid Filling (Refer to GROUP
22A, On-vehicle Service − Transmission Oil
Replacement P.22A-8).
AC303689AB
9
N
N
NN
10 7
4
3
2
1
25 ± 5 N·m
245 ± 29 N·m
108 ± 10 N·m
8
5 6
1112
7
7
Removal steps
<> >>C<<1. Drive shaft nut
>>C<<2. Washer
3. Front ABS sensor
4. Front ABS sensor bracket
5. Brake hose bracket
>>B<<6. Self-locking nut (stabilizer bar
connection)
>>B<<7. Stabilizer rubber8. Collar
9. Lower arm connecting bolt
<>10. Self-locking nut (tie rod end
connection)
<
12. CirclipRemoval steps (Continued)
Page 426 of 788
COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-38
TECHNICAL DESCRIPTION (COMMENT)
The engine-ECU and its associated components, the
combination meter assembly, the wiring harness, or
the connector(s) may be defective.
TROUBLESHOOTING HINTS
•Malfunction of the vehicle speed sensor
•Malfunction of the engine-ECU
•Malfunction of the combination meter assembly
•The wiring harness or connectors may have
loose, corroded, or damaged terminals, or
terminals pushed back in the connector.
DIAGNOSIS PROCEDURE
STEP 1. MUT-II/III actuator test
(1) Connect the MUT-II/III to the diagnosis connector.(2) Use the MUT-II/III to enter simulated vehicle
speed.
Q: Does the speedometer show that simulated vehicle
speed?
YES :
Go to Step 6.
NO : Go to Step 2.
STEP 2. Check the output shaft speed sensor.
(MUT-II/III diagnosis code)
(1) Connect MUT-II/III to the diagnosis connector.
(2) Turn the ignition switch to the "ON" position.
(3) Read the automatic transmission system
diagnosis code.
Q: Is automatic transmission system diagnosis code
23 set?
YES :
Refer to P.23A-38.
NO : Go to Step 3.
AC304777
Steering shaft
AB
MB991502
AC304950
MB991911
16-PIN
MB991827 MB991824
AB
AC304777
Steering shaft
AB
MB991502
AC304950
MB991911
16-PIN
MB991827 MB991824
AB
Page 614 of 788
ENGINE AND TRANSMISSION
CONFIGURATION DIAGRAMS80-8
ENGINE AND TRANSMISSION
ENGINE AND TRANSMISSION <4G1-MPI (LHD) >M1801000400689
NOTE: On A/T only, the standard routing positions
for the corrugated tube and wiring harness are
marked by*.
AC301128
B-02
B-03B-04B-05
B-22
B-23 B-24 B-25 B-26Control wiring
harnessB-01
Connector colour
code
B : Black
BR : Brown
G : Green
GR : Gray
L : Blue
None : Milk white
O : Orange
R : Red
V : Violet
Y : Yellow*
Connector
symbol
-01
thru
-26B
Earth cable
AB
9
10
11
13
B-06B-07
B-09
B-10X
B-15X
B-16X
B-17X
B-18
Battery wiring
harness
B-19
B-20
B-21
*
B-01 (5-GR) Windshield wiper motor
B-02 (2-GR) Fuel injector 1
B-03 (2-GR) Fuel injector 2
B-04 (2-GR) Fuel injector 3
B-05 (2-GR) Fuel injector 4
B-06 (3-GR) Throttle body throttle sensor
B-07 (3-B) Vehicle speed sensor
B-09 (2-GR) Brake fluid level indicator switch
B-10X (1) Engine speed detection connector
B-15X (4) A/T control relay
B-16X (4) Engine control relay
B-17X (4) A/C compressor relay
B-18 (6-B) Control wiring harness and battery wiring
harness combination
B-19 (10-GR) A/T control solenoid valve assemblyB-20 (10-B) Inhibitor switch
B-21 (4-B) Engine control oxygen sensor (Front)
B-22 (1) Starter
B-23 (1-B) Starter
B-24 (1-B) Engine oil pressure switch
B-25 (1) Alternator
B-26 (4-GR) Alternator
Page 615 of 788
ENGINE AND TRANSMISSION
CONFIGURATION DIAGRAMS80-9
ENGINE AND TRANSMISSION <4G1-MPI (LHD) > (CONTINUED)
NOTE: On A/T only, the standard routing positions
for the corrugated tube and wiring harness are
marked by*.
AC301128
B-118B-101 B-102
B-113
B-114 B-115 B-116B-117
Earth cable
Control wiring
harness
Connector colour
code
B : Black
BR : Brown
G : Green
GR : Gray
L : Blue
None : Milk white
O : Orange
R : Red
V : Violet
Y : Yellow
Connector
symbol
-101
thru
-118B
*
AC
9
10
11
13
B-103
B-104B-105
B-107
B-108
Battery wiring
harness
B-109
B-110 B-111
*
B-112
B-101 (2-BR) Emission solenoid valve (EGR system)
B-102 (4-GR) Inlet manifold absolute pressure sensor
B-103 (6-B) Throttle body idle speed control servo
B-104 (3-GR) Ignition coil 1
B-105 (2-B) Emission solenoid valve (Purge control
system)
B-107 (3-B) Camshaft position sensor
B-108 (3-GR) Output shaft speed sensor
B-109 (3-B) Input shaft speed sensor
B-110 (2-B) Back-up lamp switch
B-111 (2-B) Water temperature sensor unit
B-112 (1-B) Water temperature gauge unitB-113 (3-GR) Ignition coil 2
B-114 (1-B) A/C compressor
B-115 (1) Power steering fluid pressure switch
B-116 (3-B) Engine crank angle sensor
B-117 (2-GR) Engine control detonation sensor
B-118 (28-GR) ABS-ECU
Page 616 of 788
ENGINE AND TRANSMISSION
CONFIGURATION DIAGRAMS80-10
ENGINE AND TRANSMISSION
<4G1-MPI (RHD) >
M1801000400690
NOTE: On A/T only, the standard routing positions
for the corrugated tube and wiring harness are
marked by*.
AC301131
B-02
B-03B-04 B-05
B-22
B-23 B-24 B-25 B-26Control wiring
harnessB-09
Connector colour
code
B : Black
BR : Brown
G : Green
GR : Gray
L : Blue
None : Milk white
O : Orange
R : Red
V : Violet
Y : Yellow*
Connector
symbol
-01
thru
-26B
Earth cable
AB
9
10
11
13
B-06B-07
B-01
B-10X
B-14X
B-15X
B-16X
B-17X
B-18
Battery wiring
harness
B-19
B-20 B-21
*
B-01 (5-GR) Windshield wiper motor
B-02 (2-GR) Fuel injector 1
B-03 (2-GR) Fuel injector 2
B-04 (2-GR) Fuel injector 3
B-05 (2-GR) Fuel injector 4
B-06 (3-GR) Throttle body throttle sensor
B-07 (3-B) Vehicle speed sensor
B-09 (2-GR) Brake fluid level indicator switch
B-10X (1) Engine speed detection connector
B-14X (4) Ignition coil relay
B-15X (4) A/T control relay
B-16X (4) Engine control relay
B-17X (4) A/C compressor relay
B-18 (6-B) Control wiring harness and battery wiring
harness combination
B-19 (10-GR) A/T control solenoid valve assemblyB-20 (10-B) Inhibitor switch
B-21 (4-B) Engine control oxygen sensor (Front)
B-22 (1) Starter
B-23 (1-B) Starter
B-24 (1-B) Engine oil pressure switch
B-25 (1) Alternator
B-26 (4-GR) Alternator
Page 617 of 788
ENGINE AND TRANSMISSION
CONFIGURATION DIAGRAMS80-11
ENGINE AND TRANSMISSION <4G1-MPI (RHD) > (CONTINUED)
NOTE: On A/T only, the standard routing positions
for the corrugated tube and wiring harness are
marked by*.
AC301131
B-117B-101 B-102
B-113 B-114 B-115 B-116
Earth cable
Control wiring
harness
Connector colour
code
B : Black
BR : Brown
G : Green
GR : Gray
L : Blue
None : Milk white
O : Orange
R : Red
V : Violet
Y : Yellow
Connector
symbol
-101
thru
-118B
*
AC
9
10
11
13
B-103
B-104B-105
B-107
B-108
Battery wiring
harness
B-109 B-110 B-111
*
B-112
B-118
B-101 (2-BR) Emission solenoid valve (EGR system)
B-102 (4-GR) Inlet manifold absolute pressure sensor
B-103 (6-B) Throttle body idle speed control servo
B-104 (3-GR) Ignition coil 1
B-105 (2-B) Emission solenoid valve (Purge control
system)
B-107 (3-B) Camshaft position sensor
B-108 (3-GR) Output shaft speed sensor
B-109 (3-B) Input shaft speed sensor
B-110 (2-B) Back-up lamp switch
B-111 (2-B) Water temperature sensor unit
B-112 (1-B) Water temperature gauge unitB-113 (3-GR) Ignition coil 2
B-114 (1-B) A/C compressor
B-115 (1) Power steering fluid pressure switch
B-116 (3-B) Engine crank angle sensor
B-117 (2-GR) Engine control detonation sensor
B-118 (28-GR) ABS-ECU
Page 618 of 788
ENGINE AND TRANSMISSION
CONFIGURATION DIAGRAMS80-12
ENGINE AND TRANSMISSION
<4G6-MPI (LHD) >
M1801000400708
AC301134
B-02
B-03B-04
B-25 B-26Control wiring
harnessB-01
Connector colour
code
B : Black
BR : Brown
G : Green
GR : Gray
L : Blue
None : Milk white
O : Orange
R : Red
V : Violet
Y : YellowConnector
symbol
-01
thru
-26B
AB
910
11
13
B-06B-07
B-09
B-10X
B-16X
B-17X
B-18
Battery wiring
harness
B-21 B-22
B-23B-05B-08
B-24
Earth
cable
B-01 (5-GR) Windshield wiper motor
B-02 (2-GR) Fuel injector 1
B-03 (2-GR) Fuel injector 2
B-04 (2-GR) Fuel injector 3
B-05 (2-GR) Fuel injector 4
B-06 (4-B) Throttle body throttle sensor
B-07 (3-B) Vehicle speed sensor
B-08 (7-B) Air cleaner air flow sensor
B-09 (2-GR) Brake fluid level indicator switch
B-10X (1) Engine speed detection connectorB-16X (4) Engine control relay
B-17X (4) A/C compressor relay
B-18 (6-B) Control wiring harness and battery wiring
harness combination
B-21 (4-B) Engine control oxygen sensor (Front)
B-22 (1) Starter
B-23 (1-B) Starter
B-24 (1-B) Engine oil pressure switch
B-25 (1) Alternator
B-26 (4-GR) Alternator