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 DSC HU/CM INSPECTION

DSC HU/CM INSPECTION


id041500801100

1. Disconnect the DSC HU/CM connector.

2. Connect the negative battery cable.

3. Attach the tester lead to the DSC HU/CM wiring harness-side connector, then inspect the voltage, continuity, or resistance according to the standard (reference) on the table.

Terminal Voltage Table (Reference)

Terminal

Signal name

Connected to

Measured item

Measured terminal (measured condition)

Standard

Inspection item (s)

A
Ground
(ABS system)
Ground point
Continuity
A-ground point
Continuity detected
• Wiring harness (A-ground point)
B
Ground
(ABS motor)
Ground point
Continuity
B-ground point
Continuity detected
• Wiring harness (B-ground point)
C
Power supply
(solenoid)
Battery
Voltage
Under any condition
B+
• Wiring harness (C-battery)
D
Power supply
(ABS motor operation)
Battery
Voltage
Under any condition
B+
• Wiring harness (D-battery)
E
-
-
-
-
-
-
F
LF wheel-speed sensor (single)
LF ABS wheel-speed sensor
Continuity
F-LF ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (F-LF ABS wheel-speed sensor connector terminal A)
G
Power supply
(system)
Ignition switch
Voltage
Ignition switch at ON
B+
• Wiring harness (G-ignition switch)
Ignition switch is off.
1 V or less
-
H
RR wheel-speed sensor (ground)
RR ABS wheel-speed sensor
Continuity
H-RR ABS wheel-speed sensor connector terminal B
Continuity detected
• Wiring harness (H-RR ABS wheel-speed sensor connector terminal B)
I
RF wheel-speed sensor (ground)
RF ABS wheel-speed sensor
Continuity
I-RF ABS wheel-speed sensor connector terminal B
Continuity detected
• Wiring harness (I-RF ABS wheel-speed sensor connector terminal B)
J
LF wheel-speed sensor (ground)
LF ABS wheel-speed sensor
Continuity
J-LF ABS wheel-speed sensor connector terminal B
Continuity detected
• Wiring harness (J-LF ABS wheel-speed sensor connector terminal B)
K
RR wheel-speed sensor (signal)
RR ABS wheel-speed sensor
Continuity
K-RR ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (K-RR ABS wheel-speed sensor connector terminal A)
L
-
-
-
-
-
-
M
RF wheel-speed sensor (signal)
RF ABS wheel-speed sensor
Continuity
M-RF ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (M-RF ABS wheel-speed sensor connector terminal A)
N
LR wheel-speed sensor (ground)
LR ABS wheel-speed sensor
Continuity
N-LR ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (N-LR ABS wheel-speed sensor connector terminal A)
O
Lateral-G
(lateral-G signal)
combined sensor
Continuity
O-combined sensor connector terminal B
Continuity detected
• Wiring harness (O-combined sensor connector terminal B)
P
combined sensor power output
combined sensor
Continuity
P-combined sensor connector terminal C
Continuity detected
• Wiring harness (P-combined sensor connector terminal C)
Q
LR wheel-speed sensor (signal)
LR ABS wheel-speed sensor
Continuity
Q-LR ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (Q-LR ABS wheel-speed sensor connector terminal A)
R
Steering angle
(ground)
Steering angle sensor
Continuity
R-steering angle sensor connector terminal F
Continuity detected
• Wiring harness (R-steering angle sensor connector terminal F)
S
Combined sensor
combined sensor
Continuity
S-combined sensor connector terminal F
Continuity detected
• Wiring harness (S-combined sensor connector terminal F)
T
Yaw rate
(yaw rate signal)
combined sensor
Continuity
T-combined sensor connector terminal D
Continuity detected
• Wiring harness (T-combined sensor connector terminal D)
U
Steering angle
(neutral signal)
Steering angle sensor
Continuity
U-steering angle sensor connector terminal D
Continuity detected
• Wiring harness (U-steering angle sensor connector terminal D)
V*1
Forward-G
(forward-G signal)
Combined sensor
Continuity
V-combined sensor connector terminal A
Continuity detected
• Wiring harness (V-combined sensor connector terminal A)
W
Steering angle
(steering angle signal 2)
Steering angle sensor
Continuity
W-steering angle sensor connector terminal C
Continuity detected
• Wiring harness (W-steering angle sensor connector terminal C)
X
Steering angle
(steering angle signal 1)
Steering angle sensor
Continuity
X-steering angle sensor connector terminal B
Continuity detected
• Wiring harness (X-steering angle sensor connector terminal B)
Y
Combined sensor
(ground)
combined sensor
Continuity
Y-combined sensor connector terminal E
Continuity detected
• Wiring harness (Y-combined sensor connector terminal E)
Z*2
Back-up light switch
Back-up light switch
Voltage
When shift lever position is reverse
B+
• Wiring harness (Z-back-up light switch)
• Back-up light switch
Other
Below 1.0
AA
DSC OFF switch
DSC OFF switch
Continuity
AA-DSC OFF switch
Continuity detected
• Wiring harness (AA-DSC OFF switch)
AB
KLN
DLC-2 (KLN)
Continuity
AB-DLC-2 terminal KLN
Continuity detected
• Wiring harness (AB-DLC-2 terminal KLN)
AC
-
-
-
-
-
-
AD
-
-
-
-
-
-
AE
Vehicle speed output
BCM
Continuity
AE-BCM terminal connector 9B
Continuity detected
• Wiring harness (AE-BCM terminal connector 9B)
AF
CAN_L
DLC-2 (CAN_L)
Continuity
R-DLC-2 terminal CAN_L
Continuity detected
• Wiring harness (AF-DLC-2 terminal CAN_L)
AG
CAN_H
DLC-2 (CAN_H)
Continuity
O-DLC-2 terminal CAN_H
Continuity detected
• Wiring harness (AG-DLC-2 terminal CAN_H)
AH
-
-
-
-
-
-

*1 :
Only vehicles with 4WD
*2 :
Only vehicles with MTX