Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 528

VDC(diag)-11

General Description

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)

C: PREPARATION TOOL

1. SPECIAL TOOL

2. GENERAL TOOL

ILLUSTRATION

TOOL NUMBER

DESCRIPTION

REMARKS

1B022XU0

SUBARU SELECT
MONITOR III KIT

Used for troubleshooting the electrical system.

TOOL NAME

REMARKS

Circuit tester

Used for measuring resistance, voltage and current.

Oscilloscope

Used for measuring the sensor.

ST1B022XU0

VDC(diag)-12

Electrical Component Location

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)

4. Electrical Component Location

A: LOCATION

(1)

VDC control module and hydraulic
control unit (VDCCM&H/U)

(6)

VDC OFF & VDC traction mode
indicator light (6MT model)
VDC OFF indicator light (5MT
model)

(11) ABS wheel speed sensor

(2)

Connector

(7)

VDC warning light & VDC indica-
tor light

(12) Yaw rate & G sensor

(3)

Engine control module (ECM)

(8)

Steering angle sensor

(13) Data link connector

(4)

Brake warning light (EBD warning
light)

(9)

VDC OFF switch

(14) Stop light and brake switch

(5)

ABS warning light

(10) Magnetic encoder

(15) Hill start assist warning light

VDC00971

(4) (5) (6)

(7)

(8)

(1)

(2)

(3)

(14)

(12)

(13)

(11)

(10)

(11)

(10)

(15)

(9)

VDC(diag)-13

Electrical Component Location

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)

VDC00455

(1)

VDC00972

(5)

(6)

(7)

(16)

(4)

(8)

VDC00544

VDC00234

(11)

(10)

(10)

VDC00456

(12)

VDC00545

(13)

VDC(diag)-14

Control Module I/O Signal

VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)

5. Control Module I/O Signal

A: ELECTRICAL SPECIFICATION

NOTE:

• Terminal numbers in VDCCM&H/U connector (on the control module side) are shown in the figure.

• When the connector is removed from the VDCCM&H/U, the brake warning light (EBD warning light), ABS

warning light, VDC OFF & VDC traction mode indicator light (6MT model), VDC OFF indicator light (5MT

model), VDC warning light & VDC indicator light, and the hill start assist warning light illuminate.

B310

4

5

6

7

8

9

26

27

28

29

30

2

3

1

31

32

33

34

35

36

10

11

14

15

16

17

18

19

37

38

39

40

12

13

41

42

43

44

45

46

20

21

23

24

22

25

VDC01229

TO