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 ABS (ABS/TCS) HU/CM INSPECTION

ABS (ABS/TCS) HU/CM INSPECTION


id041300802700

1. Disconnect the ABS (ABS/TCS) HU/CM connector.

2. Connect the negative battery cable.

3. Attach the tester lead to the ABS (ABS/TCS) 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
RR wheel-speed sensor (signal)
RR ABS wheel-speed sensor
Continuity
A-RR ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (A-RR ABS wheel-speed sensor connector terminal A)
B
RR wheel-speed sensor (ground)
RR ABS wheel-speed sensor
Continuity
B-RR ABS wheel-speed sensor connector terminal B
Continuity detected
• Wiring harness (B-RR ABS wheel-speed sensor connector terminal B)
C
LR wheel-speed sensor (signal)
LR ABS wheel-speed sensor
Continuity
C-LR ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (C-LR ABS wheel-speed sensor connector terminal A)
D
RF wheel-speed sensor (ground)
RF ABS wheel-speed sensor
Continuity
D-RF ABS wheel-speed sensor connector terminal B
Continuity detected
• Wiring harness (D-RF ABS wheel-speed sensor connector terminal B)
E
LF wheel-speed sensor (ground)
LF ABS wheel-speed sensor
Continuity
E-LF ABS wheel-speed sensor connector terminal B
Continuity detected
• Wiring harness (E-LF ABS wheel-speed sensor connector terminal B)
F
LR wheel-speed sensor (ground)
LR ABS wheel-speed sensor
Continuity
F-LR ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (F-LR ABS wheel-speed sensor connector terminal A)
G
RF wheel-speed sensor (signal)
RF ABS wheel-speed sensor
Continuity
G-RF ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (G-RF ABS wheel-speed sensor connector terminal A)
H
-
-
-
-
-
-
I
LF wheel-speed sensor (single)
LF ABS wheel-speed sensor
Continuity
I-LF ABS wheel-speed sensor connector terminal A
Continuity detected
• Wiring harness (I-LF ABS wheel-speed sensor connector terminal A)
J
-
-
-
-
-
-
K
-
-
-
-
-
-
L
-
-
-
-
-
-
M
-
-
-
-
-
-
N
-
-
-
-
-
-
O
CAN_H
DLC-2 (CAN_H)
Continuity
O-DLC-2 terminal CAN_H
Continuity detected
• Wiring harness (O-DLC-2 terminal CAN_H)
P
TCS OFF switch
TCS OFF switch
Continuity
P-TCS OFF switch
Continuity detected
• Wiring harness (P-TCS OFF switch)
Q
-
-
-
-
-
-
R
CAN_L
DLC-2 (CAN_L)
Continuity
R-DLC-2 terminal CAN_L
Continuity detected
• Wiring harness (R-DLC-2 terminal CAN_L)
S
-
-
-
-
-
-
T
-
-
-
-
-
-
U
-
-
-
-
-
-
V
Vehicle speed output
BCM
Continuity
V-BCM terminal connectro 9B
Continuity detected
• Wiring harness (V-BCM terminal connector9B)
W
-
-
-
-
-
-
X
KLN
DLC-2 (KLN)
Continuity
X-DLC-2 terminal KLN
Continuity detected
• Wiring harness (X-DLC-2 terminal KLN)
Y
-
-
-
-
-
-
Z
Power supply
(system)
Ignition switch
Voltage
Ignition switch at ON
B+
• Wiring harness (Z-ignition switch)
Ignition switch is off.
1 V or less
-
AA
Power supply
(solenoid)
Battery
Voltage
Under any condition
B+
• Wiring harness (AA-battery)
AB
Power supply
(ABS motor operation)
Battery
Voltage
Under any condition
B+
• Wiring harness (AB-battery)
AC
Ground
(ABS system)
Ground point
Continuity
AC-ground point
Continuity detected
• Wiring harness (AC-ground point)
AD
Ground
(ABS motor)
Ground point
Continuity
AD-ground point
Continuity detected
• Wiring harness (AD-ground point)