Mitsubishi Lancer (4A9 engine). Manual - part 91

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-26

REMOVAL AND INSTALLATION

M1541200300838

CAUTION

• Before removing the steering wheel and driver’s air bag module assembly, refer to GROUP 52B − 

Service Precautions  and Driver’s Air Bag Module and Clock Spring . <Vehicles with WCM>

• After the installation, perform a calibration for the ASC-ECU to learn the steering wheel sensor 

neutral point (Refer to GROUP 35C, On-vehicle Service 

− Steering Wheel Sensor Calibration ). 

<Vehicles with both WCM and ASC or vehicles with both WCM and AFS>

Pre-removal Operation
• Check of steering wheel straight-ahead position <Vehicles 

with WCM>

• Removal of steering wheel assembly (Refer to GROUP 

37A 

− Steering Wheel  <Power Steering> or GROUP 37B 

− Steering Wheel  <Electrical Power Steering>). <Vehicles 

with WCM>

Post-installation Operation
• Installation of steering wheel assembly (Refer to GROUP 

37A 

− Steering Wheel  <Power Steering> or GROUP 37B 

− Steering Wheel  <Electrical Power Steering>). <Vehicles 

with WCM>

• Check of steering wheel straight-ahead position <Vehicles 

with WCM>

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-27

REMOVAL SERVICE POINTS

<<A>> STEERING LOCK CYLINDER REMOVAL 
<VEHICLES WITH WCM>
1. Insert the key into the steering lock cylinder, and 

turn the ignition key to the ACC position.

ACA03983

ACA03126

ACA03126

Section A-A

Section C-C

Section B-B

4

3

4

3

4

3

3

6

2.0 ± 0.5 N·m

6

2

4

11

4

5

7

10

5

AB

2.0 ± 0.5 N·m

2.0 ± 0.5 N·m

1

3

2

7.0 ± 3.0 N·m

9

8

B

B

C

C

A

A

B

B

C

C

A

A

NOTE: 
Claw position is symmetrical

<Vehicles with KOS>

<Vehicles with WCM>

Claw

Claw

Claw

2.5 ± 0.5 N·m

2.5 ± 0.5 N·m

Removal Steps 

1.

IG knob cap <Vehicles with KOS>

2.

Ignition key cover

3.

Steering column cover lower

4.

Steering column cover upper

5.

Ignition switch

>>

A

<<

6.

WCM <Vehicles with WCM>/
receiver antenna module <Vehicles 
with KOS>

7.

Key illumination bulb <Vehicles with 
WCM and paddle shift>

8.

Paddle shift assembly <Vehicles 
with WCM and paddle shift>

9.

Column switch assembly <Vehicles 
with WCM>

<<

A

>>

10. Steering lock cylinder <Vehicles 

with WCM>

<<B>>

11. IG knob <Vehicles with KOS>

Removal Steps (Continued)

IGNITION SWITCH

CHASSIS ELECTRICAL

54A-28

2. With using a cross-headed screw driver (small) or 

similar items to press in the lock pin, remove the 
ignition key, and then remove the steering lock 
cylinder.

<<B>> IG KNOB REMOVAL <VEHICLES WITH 
KOS>

Insert a flat-tipped screwdriver into the concave por-
tion as shown to pull out the IG knob.

INSTALLATION SERVICE POINT

>>A<< WIRELESS CONTROL MODULE <VEHI-
CLES WITH WCM>/RECEIVER ANTENNA MOD-
ULE <VEHICLES WITH KOS> INSTALLATION
Check that the top claw of receiver antenna module 
is fixed securely to the boss of steering lock and the 
antenna is not floated on the key cylinder.

INSPECTION

IGNITION SWITCH CONTINUITY CHECK

M1541200400170

With the ignition switch mounted to the vehicle, dis-
connect and check the ignition switch connection 
connector.

KEY REMINDER SWITCH INSPECTION

M1541200500166

With the key reminder switch mounted to the vehicle, 
disconnect the key reminder switch connection con-
nector, and then perform the continuity check.

AC604821 AB

Lock pin

ACA03127AD

IG knob

Ignition key 
position

Terminal 
number

Normal condition

LOCK

1 

− 2, 1 − 4, 

1 

− 5, 1 − 6

No continuity

ACC

1 

− 6

Continuity exists 
(2 

Ω or less)

ON

1 

− 2 − 4 − 6 Continuity exists 

(2 

Ω or less)

START

1 

− 2 − 5

Continuity exists 
(2 

Ω or less)

Key status

Terminal 
number

Normal 
condition

Key removed

2 

− 3

Continuity exists 
(2 

Ω or less)

Key inserted

2 

− 3

No continuity

AC506506AB

Column switch

AC506506AC

Column switch

COMBINATION METER

CHASSIS ELECTRICAL

54A-29

COMBINATION METER

SERVICE SPECIFICATIONS

M1540200200731

Item

Standard value

Limit 
value

Speedometer 
indication range

km/h

at 20 km/h

20.0 

− 24.0 

−

at 40 km/h

40.0 

− 44.0

−

at 80 km/h

80.5 

− 85.5

−

at 120 km/h

121.5 

− 127.5

−

at 160 km/h

162.5 

− 169.5

−

at 200 km/h

203.5 

− 211.5

−

at 240 km/h

244.5 

− 254.5

−

mph

at 10 mph

10.0 

− 12.5 

−

at 25 mph

25.0 

− 27.5

−

at 50 mph

50.3 

− 53.5

−

at 75 mph

76.0 

− 80.0

−

at 100 mph

101.5 

− 106.0

−

at 125 mph

127.2 

− 132.2

−

at 150 mph

152.8 

− 159.1

−

Speedometer needle fluctuation km/h (Vehicle speed: 35 km/h or more)

−

± 3

Tachometer indicating tolerance r/min
Items in ( ) indicates the reference value.

Engine speed at 600 r/min

± 50

−

(Engine speed at 2,000 r/min)

(

± 50)

−

Engine speed at 3,000 r/min

± 50

−

(Engine speed at 4,000 r/min)

(

± 50)

−

Engine speed at 5,000 r/min

± 50

−

Engine speed at 6,000 r/min

± 50

−

(Engine speed at 7,000 r/min) 
<petrol engine>

(

± 50)

−

(Engine speed at 8,000 r/min) 
<petrol engine>

(

± 50)

−

2WD Nominal resistance of the fuel 

gauge unit 

Ω

Stopper position "F"

13.0 

± 1.0

−

Stopper position "E"

120.0 

± 1.0

−

Fuel gauge unit 
float height mm

Petrol engine

Stopper position "F"

181.5 

± 4.0

−

Stopper position "E"

26.7 

± 4.0

−

Diesel engine

Stopper position "F"

185.1

−

Stopper position "E"

29.8

−