Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service 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
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