Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 672

LI-11

Combination Switch (Light)

LIGHTING SYSTEM

9. Combination Switch (Light)

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Remove the screws and remove the steering

column cover lower.

3) Remove the harness cover lock.

4) Remove the screws and detach the knee protec-

tor.

5) Remove the mounting screws of steering col-

umn cover upper.

6) Disconnect the connector from combination

switch.

7) Remove the screws which secure the switch,

then remove the combination switch.

B: INSTALLATION

Install each part in the reverse order of removal.

C: INSPECTION

1) Disconnect the combination switch connector.

2) Check the resistance between combination

switch terminals.

3) Replace the combination switch (light) if the in-

spection result of each switch is not within the stan-

dard value.

WW-00547

LI-01143

LI-01144

LI-00331

OFF

OFF

LI-00434

15 14 13 12 11 10

9

17

16

6 5 4

3

2

1

8

7

LI-12

Combination Switch (Light)

LIGHTING SYSTEM

1. LIGHTING SWITCH

2. DIMMER & PASSING SWITCH

3. TURN SIGNAL SWITCH

4. FRONT FOG LIGHT SWITCH

Switch position

Terminal No.

Standard value

OFF

—

1 MΩ or more

Tail

14 and 16

Less than 1 Ω

Head

13, 14 and 16

Less than 1 Ω

Switch position

Terminal No.

Standard value

Passing

7, 8 and 16

Less than 1 Ω

High beam

7 and 16

Less than 1 Ω

Switch position

Terminal No.

Standard value

Left

1 and 2

Less than 1 Ω

Neutral

—

1 MΩ or more

Right

3 and 2

Less than 1 Ω

Switch position

Terminal No.

Standard value

OFF

11 and 10

1 MΩ or more

ON

Less than 1 Ω

LI-13

Headlight Beam Leveler System

LIGHTING SYSTEM

10.Headlight Beam Leveler Sys-

tem

A: WIRING DIAGRAM

Refer to “Headlight Beam Leveler System” in WI

section. <Ref. to WI-93, WIRING DIAGRAM, Head-

light Beam Leveler System.>

B: INSPECTION

1. HEADLIGHT BEAM LEVELER ACTUA-

TOR

1) Turn on the headlight beam.

2) Change the switch position in the order of 0 → 1

→ 2 → 3 → 4 → 5, and check that the headlight

beam position is lowered.

2. HEADLIGHT BEAM LEVELER SWITCH

1) Connect the circuit tester to the battery and

headlight beam leveler switch connector.

2) Check the voltage at each switch position.

3) Replace the headlight beam leveler switch if the

inspection result is not within the standard value.

Switch posi-

tion

Terminal No.

Standard value

0

6, 7 (+) and battery (–)

84 — 89% of

battery voltage

1

67 — 73% of

battery voltage

2

51 — 57% of

battery voltage

3

36 — 41% of

battery voltage

4

21 — 26% of

battery voltage

5

7 — 10% of bat-

tery voltage

LI-00270

v

3

2 1

8 7 6 5 4

LI-14

Combination Base Switch Assembly

LIGHTING SYSTEM

11.Combination Base Switch

Assembly

A: REMOVAL

1) Remove the driver’s airbag module. <Ref. to AB-

15, REMOVAL, Driver’s Airbag Module.>
WARNING:

Before handling the airbag module, refer to

“CAUTION” of “General Description” in the

“AB” section. <Ref. to AB-5, CAUTION, General

Description.>

2) Remove the steering wheel. <Ref. to PS-13, RE-

MOVAL, Steering Wheel.>

3) Remove the combination switch.

• Combination switch (light): <Ref. to LI-11, RE-

MOVAL, Combination Switch (Light).>

• Combination switch (wiper): <Ref. to WW-7, RE-

MOVAL, Combination Switch (Wiper).>

4) Remove the screws, and then remove the roll

connector.

5) Remove the screws, disconnect the harness

connector and remove the combination base

switch assembly.

B: INSTALLATION

1) Before installing steering wheel, be sure to ad-

just the direction of roll connector with steering.

<Ref. to AB-27, ADJUSTMENT, Roll Connector.>

2) Install each part in the reverse order of removal.

C: INSPECTION

1. COMBINATION BASE SWITCH ASSEM-

BLY

Inspect the combination base switch assembly and

roll connector for cracks or deformation. If any

damage is found, replace with a new part.

AB-02604

LI-00271