205

6. BACK-UP LAMP SYSTEM

7. INTERIOR LIGHT SYSTEM

8. DOOR COURTESY LAMP SYSTEM

Symptom

Suspected Area

1. Back-up lamp fuse

2. Back-up lamp switch assembly

3. Harness

1. Back-up lamp switch assembly

2. Harness

1. Bulb

2. Harness

Back-up lamps on both sides do not light up

Back-up lamps on both sides remains always ON

Back-up lamp dose not light (One side)

Symptom

Suspected Area

1. ROOM Fuse

2. Harness

1. Bulb

2. Room lamp assembly

3. Harness

1. Door courtesy lamp switch

2. Central controller

3. Harness

1. Bulb

2. Switch

1. Bulb

2. Rear row reading lamp assembly

3. Harness

Interior lamp dose not light (All)

One door is ajar, room lamp dose not light up on

DOOR, (It is normal on ON)

Central LH/RH room lamps do not light up

Rear row reading lamp is abnormal (Room

lamp assembly is normal)

Room lamp dose not light up

Rear row reading lamp assembly is normal

Symptom

Suspected Area

1. Bulb

2. Door courtesy lamp switch

3. Harness

Door courtesy lamp does not light (Room lamp

is normal)

206

9. LICENSE PLATE LAMP

10. REAR TRUNK LAMP

II. LIGHT SYSTEM FAULTS INSPECTION

1. HEADLAMP COMBINATION SWITCH ASSEMBLY

Symptom

Suspected Area

1. Bulb

2. Harness

License plate lamp does not light (Tail lamp is
normal)

 

Headlamp Combination Switch Range Illustration

Turn 

Switch

Left Turn

Straight Run

Right Turn

Lamp 
Switch

 Horn

High Beam

Dipped Beam

Lamp Handle Fog Light Handle

Front Fog Lamp

Front Fog Lamp

Front Fog Lamp

Front And Rear 
Fog Lamp

Front And Rear 
Fog Lamp

Headlamp

Headlamp

Headlamp

Position Lamp

Position Lamp

Position Lamp

9

9

9

9

9

9

9

5BB1

5BB2

5BB3

5BB1

9NB4

9NB1

9NB5

Symptom

Suspected Area

1

．

Bulb

2

．

Rear trunk lamp switch

3

．

Harness

Rear trunk lamp does not light (Room lamp is

normal)

207

(a) Inspect light control switch continuity

Inspect each terminal for continuity when the switch is on every position according to the table.

If it is not as specified, replace the switch.

(b) Inspect headlamp dimmer switch continuity

Inspect each terminal for continuity when the switch is on every position according to the table.

If it is not as specified, replace the switch.

(c) Inspect turn signal switch continuity

Inspect each terminal for continuity when the switch is on every position according to the table.

If it is not as specified, replace the switch.

Switch position

Tested terminal

Condition

OFF

5BB2-5BB3

No continuity

TAIL

5BB2-5BB3

Continuity

Switch position

Tested terminal

Condition

LO

5BB1-9NB5

Continuity

HI

9NB2-9NB3

Continuity

PASSING

9NA1-9NB3

Continuity

5B

5BB1

5BB2

5BB3

5BA1

5BA3

9N

9NB1

9NB2

9NB3

9NB4

9NB5

9NA1

9NA2

9NA3

9NA4

Headlamp combinated terminal position diagram

Switch position

Tested terminal

Condition

Left turn

9NA4-9NA5

Continuity

Straight run

9NA4-9NA5-9NA2

No continuity

Right turn

9NA5-9NA2

Continuity

208

(d) Inspect front and rear fog switch continuity

Inspect each terminal for continuity when the switch is on every position according to the table.

If it is not as specified, replace the switch.

2. BACK-UP LAMP SWITCH ASSEMBLY

Inspect back-up lamp switch continuity

Inspect continuity between the 2 terminals when the switch operates according to the table.

If it is not as specified, replace the switch.

3. BRAKE LAMP SWITCH ASSEMBLY

Inspect brake lamp switch assembly continuity

Inspect continuity between the 2 terminals when brake lamp switch operates

If it is not as specified, replace the switch.

4. HAZARD WARNING LAMP SWITCH ASSEMBLY

Inspect hazard warning lamp switch for continuity.

Inspect continuity between the 2 terminals when the switch operates

If it is not as specified, replace the switch.

Switch position

Tested terminal

Condition

OFF

5BB3-9NB4-9NB1

No continuity

Front fog lamp

5BB3-9NB4

Continuity

Rear fog lamp

5BB3-9NB1

Continuity

Switch position

Tested terminal

Condition

ON

1/2

Continuity

OFF

1/2

No continuity

Switch position

Tested terminal

Condition

ON (Gearshift lever is on REVERSE)

1/2

Continuity

OFF

1/2

No continuity

Switch position

Tested terminal

Condition

Depress on the brake pedal

1/2

Continuity

Release the brake pedal

1/2

No continuity