Mitsubishi Lancer Evolution IX. Manual — part 621
4WD-ECU
MANUAL TRANSMISSION (FF)
22A-167
4WD-ECU
REMOVAL AND INSTALLATION
M1221012100016
Pre-removal and Post-installation Operation
• Cowl Side Trim <RH> Removal and Installation. (Refer to
GROUP 52A - Trims
). <LH drive vehicles>
• Front Floor Console Removal and Installation. (Refer to
). <RH drive vehicles>
AC310944AB
<LH drive vehicles>
<RH drive vehicles>
4.9 ± 0.9 N·m
4.9 ± 0.9 N·m
4WD-ECU
4WD-ECU
SENSOR, SWITCH AND RELAY
MANUAL TRANSMISSION (FF)
22A-168
SENSOR, SWITCH AND RELAY
REMOVAL AND INSTALLATION
M1221012300043
WARNING
Before removing the steering wheel and air bag module assembly, refer to GROUP 52B, Serv-
ice Precautions (
) and Air Bag Module and Clock Spring (
NOTE: For details on the wheel speed sensor, refer to GROUP 35B
−
.
AC311353
5
4
3
2
Parking brake lever
1
AC
Steering wheel sensor removal
steps
•
Column cover (Refer to GROUP 37
− Steering Shaft
).
<<
A
>>
1. Steering wheel sensor
G-sensor removal steps
•
Front floor console (Refer to
GROUP 52A
).
2. Longitudinal G-sensor
3. Lateral G-sensor
Electric pump relay removal
4. Electric pump relay
ACD mode changeover switch
removal steps
•
Instrument panel ornament (Refer to
GROUP 52A
− Instrument Panel
Assembly
).
5. ACD mode changeover switch
SENSOR, SWITCH AND RELAY
MANUAL TRANSMISSION (FF)
22A-169
REMOVAL SERVICE POINT
<<A>> STEERING WHEEL SENSOR
REMOVAL
CAUTION
Make sure no oil adheres to the steering wheel
sensor because a photocoupler is used.
Remove the steering wheel sensor from the column
switch.
INSPECTION
M1221008000016
ELECTRIC PUMP RELAY CONTINUITY
CHECK
1. Using a jumper wire, connect a battery (+) to
terminal No.2 of the electric pump relay and
battery (-) to terminal No.1.
2. While intermittently disconnecting the jumper wire
at the battery side, check for continuity between
terminals No.3 and No.4 of the electric pump
relay.
ACD MODE CHANGEOVER SWITCH
CONTINUITY CHECK
AC310946AC
Steering wheel sensor
AC311213AB
Jumper wire
Continuity between No.3
− No.4
Connected
Less than 2 ohms
Disconnected
Open circuit
ACD mode
changeover switch
terminal
ACD mode
changeover
switch
Continuity
No.1
− No.2
ON
Less than 2
ohms
OFF
Open circuit
No.3
− No.4
−
Less than 2
ohms
AC311214AB
AIR DUCT
MANUAL TRANSMISSION (FF)
22A-170
AIR DUCT
REMOVAL AND INSTALLATION
M1221013400010
REMOVAL SERVICE POINT
<<A>> AIR DUCT REMOVAL
Turn the splash shield up to the position where the
air duct mounting bolts can be removed.
Pre-removal and Post-installation Operation
Front Under Cover Removal and Installation (Refer to
GROUP 51, Front Bumper Assembly
.)
AC504974
11 ± 2 N·m
AB
1
Removal steps
<<
A
>>
1.
Air duct
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