As the vehicle speed increases the cycle of the signal waveform narrows Check Main Body Ecu

Main Body ECU (Rear View):

9 I

5 7 f

—1 r-î ^ 1

1 1 :

□i1 > 1

7 161

312 1

7

6

5

4

3

2

1

22

21

20

19

18

17

o

[J

7|

6

5 4

7

6

5

4

3

2

1

14

13

12

11

10

g

8

16

" [bj

7

6

5

4

3

2

15

14

13

12

11

j---Ii

S

4G

4F

16

15

14

13

32

31

30

29

12

11

10

9

28

27

26

iBlTlelsUlsflTTI

3

2

u u

1

8

7

6 I 5

4

E114510E09

Symbols (Terminals No.)

Wiring Color

Terminal Description

Condition

Specified Condition

RRCY (4A-5) - GND1 (4E-17)

G - W-B

Rear door courtesy switch signal (LH)

Rear door (Driver side) CLOSED ^ OPEN

11 to 14 V ^ Below 1 V

Symbols (Terminals No.)

Wiring Color

Terminal Description

Condition

Specified Condition

BCTY (4A-7) - GND1 (4E-17)

SB - W-B

Back door courtesy switch signal

Back door CLOSED ^ OPEN

11 to 14 V ^ Below 1 V

RRCY (4A-20) - GND1 (4E-17)

L - W-B

Rear door courtesy switch signal (RH)

Rear door (Front passenger side) CLOSED ^ OPEN

11 to 14 V ^ Below 1 V

DCTY (4A-21) - GND1 (4E-17)

R - W-B

Front door courtesy switch signal (Driver side)

Driver door CLOSED ^ OPEN

11 to 14 V ^ Below 1 V

PCTY (4A-24) - GND1 (4E-17)

L - W-B

Front door courtesy switch signal (Passenger side)

Front passenger door CLOSED ^ OPEN

11 to 14 V ^ Below 1 V

PKB (4C-2) - GND1 (4E-17)

Y - W-B

Parking brake signal

Parking brake warning light ON ^ OFF

Below 1 V ^ 11 to 14 V

KSW (4D-7) - GND1 (4E-17)

Y - W-B

Key unlock switch condition signal

Key inserted ^ Removed

Below 1 V ^ 11 to 14 V

GND1 (4E-17) - Body ground

W-B - Body ground

Ground

Always

Below 1 Q

Main Body ECU (Front View):

13|14|15

1617

18

19

u

20

21

22 23

24|25|26

1 |2

3|

4

5

6|7

8

9

110

7

8

9

10

11

12

1

2

3

4

5

10

11

12

13

14

15

16

17

18

1

2

3

4

5

6

7

8

4M

4S

4P

4Q

6

8

10

1

3

5

6

7

8

1

2

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