R

Front Position G) Light LH

Front Marker G) Light LH

Rear Taillight Bulb RH

TAIL

Front Position G) Light RH

Front Marker @ Light RH

Rear Taillight Bulb LH

License Plate Light Bulb RH

License Plate Light Bulb LH

B144232E01

Sedan (w/o Front Fog Light):

Main Body ECU

Headlight Dimmer Switch

B1

T1

Light Control Switch

OFF

Tail

O-

-O

Head

O-

Front Position 0) Light LH

Front Marker 0 Light LH

Front Position 0) Light RH

Front Marker (|) Light RH

Rear Taillight Bulb RH

Rear Taillight Bulb LH

License Plate Light Bulb RH

License Plate Light Bulb LH

B144233E01

INSPECTION PROCEDURE

CHECK WHETHER LIGHTS ILLUMINATE

(a) Check whether the following lights illuminate: Front position lights, Rear taillights and License plate light.

Result

Illumination Condition

Proceed To

All lights do not illuminate

A

Front position lights do not illuminate

B

Front marker lights do not illuminate

C

Rear taillights do not illuminate

D

License plate light does not illuminate

E

B

>

Go to step 10

C

>

Go to step 12

D

>

Go to step 14

E

>

Go to step 16

CHECK VEHICLE SPECIFICATIONS

(a) Check the vehicle type. Result

Vehicle Type

Proceed To

Hatchback, Sedan with front fog light (w/ T-LP relay)

A

Sedan without front fog light (w/o T-LP relay)

Go to step 7

INSPECT FUSE (TAIL)

Remove the TAIL fuse from the main body ECU. Measure the resistance. Standard resistance:

Below 1 Q Reconnect the TAIL fuse.

REPLACE FUSE

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (TAIL LIGHT)

Main Body ECU

(a) Connect the intelligent tester with CAN VIM to the DLC3.

(b) Turn the ignition switch ON.

(c) Turn the intelligent tester main switch ON.

(d) Select the item below in the ACTIVE TEST and then check the relay operation.

Main Body ECU

Item

Test Details

Diagnostic Note

TAIL LIGHT

Taillight relay ON/OFF

-

Taillight comes on.

PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE

INSPECT HEADLIGHT DIMMER SWITCH

Component Side:

Headlight Dimmer Switch

1 , . r

4

3

2

1

12

11

1p

9

8

7

6

(a) Remove the headlight dimmer switch.

(b) Inspect the light control switch.

(c) Measure the resistance. Standard resistance

Tester Connection

Condition

Specified Condition

10 (T1) - 13 (B1)

TAIL

Below 1 Q

10 (T1) - 13 (B1)

OFF

10 kQ or higher

10 (T1) - 13 (B1)

HEAD

Below 1 Q

10 (T1) - 13 (B1)

OFF

10 kQ or higher

(d) Reinstall the headlight dimmer switch.

REPLACE HEADLIGHT DIMMER SWITCH

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - HEADLIGHT DIMMER SWITCH)

Wire Harness Side:

Headlight Dimmer Switch Connector

(a) Disconnect the D4 headlight dimmer switch connector.

(b) Measure the voltage. Standard voltage

Tester Connection

Specified Condition

D4-13 (B1) - Body Ground

11 to 14 V

(c) Reconnect the headlight dimmer switch connector.

Front View

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR (HEADLIGHT DIMMER SWITCH - BODY GROUND)

INSPECT FUSE (TAIL)

Remove the TAIL fuse from the main body ECU. Measure the resistance. Standard resistance:

Below 1 Q Reconnect the TAIL fuse.

REPLACE FUSE

INSPECT HEADLIGHT DIMMER SWITCH

Component Side:

Headlight Dimmer Switch

4

3

J~[ûj '—' [dTU

2

1

12

11 10 9 8 7

6

5

(a) Remove the headlight dimmer switch.

(b) Inspect the light control switch.

(c) Measure the resistance. Standard resistance

Tester Connection

Condition

Specified Condition

10 (T1) - 13 (B1)

TAIL

Below 1 Q

10 (T1) - 13 (B1)

OFF

10 kQ or higher

10 (T1) - 13 (B1)

HEAD

Below 1 Q

10 (T1) - 13 (B1)

OFF

10 kQ or higher

(d) Reinstall the headlight dimmer switch.

REPLACE HEADLIGHT DIMMER SWITCH

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - HEADLIGHT DIMMER SWITCH)

Wire Harness Side:

Main Body ECU Connector

Front View

Front View

Main Body ECU Connector

Main Body ECU Connector

Front View Headlight Dimmer Switch Connector

Front View Headlight Dimmer Switch Connector

T1 ^

1—

Cr

H

5n

3

4

5

6

7

8

9

To

ii

12

Front View

(a) Disconnect the D4 headlight dimmer switch connector.

(b) Disconnect the 4M and 4E main body ECU connectors.

(c) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

D4-13 (B1) - 4M-4

Below 1 Q

D4-10 (T1) - 4E-10

Below 1 Q

D4-13 (B1) or 4M-4 - Body Ground

10 kQ or higher

D4-10 (T1) or 4E-10 - Body Ground

10 kQ or higher

(d) Reconnect the headlight dimmer switch connector.

(e) Reconnect the main body ECU connectors.

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE MAIN BODY ECU

INSPECT BULB (FRONT POSITION LIGHT BULB)

Component Side:

Front Position Light*

/s-

2

1

n

(a) Hatchback:

(1) Remove the front position light.

(2) Apply battery voltage to the terminals and check that the front position light illuminates. Standard

Measurement Condition

Standard

Positive battery - Terminal 1 Negative battery - Terminal 2

Front position light illuminates

(3) Reinstall the front position light.

Component Side:

Front Position Light*

Front Position Light*

(1) Remove the front position light.

(2) Apply battery voltage to the terminals and check that the front position light illuminates. Standard

Measurement Condition

Standard

Positive battery - Terminal 3 Negative battery - Terminal 2

Front position light illuminates

(3) Reinstall the front position light. NG>

REPLACE BULB

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT POSITION LIGHT)

Wire Harness Side:

Front Position Light Connector

Front View

Front View

Main Body ECU Connector

<4B)

rn I-! ~

r

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

□ [

J 19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

Front View

B135318E01

(a) Hatchback:

(1) Disconnect the B3 and B4 front position light connectors.

(2) Disconnect the 4B main body ECU connector.

(3) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

4B-33 - B3-1

Below 1 Q

4B-33 - B7-1

Below 1 Q

4B-33 or B3-1 - Body ground

10 kQ or higher

4B-33 or B7-1 - Body ground

10 kQ or higher

(4) Reconnect the front position light connectors.

(5) Reconnect the main body ECU connector.

Wire Harness Side:

Front Position Light Connector

Front View

Front View

Main Body ECU Connector

Front View

B144227E02

(1) Disconnect the B14 and B15 front position light connectors.

(2) Disconnect the 4B main body ECU connector.

(3) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

4B-33 - B14-3

Below 1 Q

4B-33 - B15-3

Below 1 Q

4B-33 or B14-3 - Body ground

10 kQ or higher

4B-33 or B15-3 - Body ground

10 kQ or higher

(4) Reconnect the front position light connectors.

(5) Reconnect the main body ECU connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT POSITION LIGHT - BODY GROUND)

INSPECT BULB (FRONT MARKER LIGHT)

Component Side:

Front Marker Light*

Component Side:

Front Marker Light*

B129903E02

(a) Hatchback:

(1) Remove the front marker light.

(2) Apply battery voltage to the terminals and check that the front marker light illuminates. Standard

Measurement Condition

Standard

Positive battery - Terminal 2 Negative battery - Terminal 1

Front marker light illuminates

(3) Reinstall the front marker light.

(1) Remove the front marker light.

(2) Apply battery voltage to the terminals and check that the front marker light illuminates. Standard

Measurement Condition

Standard

Positive battery - Terminal 4 Negative battery - Terminal 2

Front marker light illuminates

(3) Reinstall the front marker light.

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT MARKER LIGHT)

Wire Harness Side:

Front Marler Light Connector

Front View

Front View

Main Body ECU Connector

Main Body ECU Connector

Front View

Front View

Wire Harness Side:

Front Marker Light Connector

Front View

Front View

Main Body ECU Connector <4B)

rn I-! „

r

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

□ (

J 19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

Front View

"TZT

Front View

(a) Hatchback:

(1) Disconnect the B11 and B12 front marker light connectors.

(2) Disconnect the 4B main body ECU connector.

(3) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

4B-33 - B11-2

Below 1 Q

4B-33 - B12-2

Below 1 Q

4B-33 or B11-2 - Body ground

10 kQ or higher

4B-33 or B12-2 - Body ground

10 kQ or higher

(4) Reconnect the front marker light connectors.

(5) Reconnect the main body ECU connector.

Sedan:

(1) Disconnect the B14 and B15 front marker light connectors.

(2) Disconnect the 4B main body ECU connector.

(3) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

4B-33 - B14-4

Below 1 Q

4B-33 - B15-4

Below 1 Q

4B-33 or B14-4 - Body ground

10 kQ or higher

4B-33 or B15-4 - Body ground

10 kQ or higher

(4) Reconnect the front marker light connectors.

(5) Reconnect the main body ECU connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

INSPECT BULB (REAR TAILLIGHT BULB)

Component Side:

Rear Combination Light Assembly*

6

5

4

3

2

B129860E03

Component Side:

Rear Combination Light Assembly*

2

I 1

1

6

5

6

(a) Hatchback:

(1) Remove the rear combination light assembly.

(2) Apply battery voltage to the terminals and check that the rear taillight illuminates.

Standard

Measurement Condition

Standard

Positive battery - Terminal 4 Negative battery - Terminal 6

Rear taillight illuminates

(3) Reinstall the rear combination light assembly.

(1) Remove the rear combination light assembly.

(2) Apply battery voltage to the terminals and check that the rear taillight illuminates.

Standard

(3) Reinstall the rear combination light assembly.

REPLACE BULB

Measurement Condition

Standard

Positive battery - Terminal 4 Negative battery - Terminal 6

Rear taillight illuminates

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