1. Disconnect the DSC HU/CM connector. (See DSC HU/CM REMOVAL/INSTALLATION.)
2. Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF].)
3. Attach the tester lead to the DSC HU/CM harness side connector, then inspect voltage, continuity or resistance according to the standard (reference value) on the table.
|
Terminal |
Signal name |
Connected to |
Measured item |
Measured terminal (measured condition) |
Standard |
Inspection item(s) |
|
A |
Ground (ABS motor) |
Ground point |
Continuity |
A—ground point |
Continuity detected |
|
|
B |
Power supply (ABS motor operation) |
Battery |
Voltage |
Under any condition |
B+ |
|
|
C |
Power supply (solenoid operation) |
Battery |
Voltage |
Under any condition |
B+ |
|
|
D |
Ground (DSC system) |
Ground point |
Continuity |
D—ground point |
Continuity detected |
|
|
E |
LF wheel-speed sensor (ground) |
LF ABS wheel-speed sensor |
Continuity |
E—LF ABS wheel-speed sensor connector terminal B |
Continuity detected |
|
|
F |
LF wheel-speed sensor (single) |
LF ABS wheel-speed sensor |
Continuity |
F—LF ABS wheel-speed sensor connector terminal A |
Continuity detected |
|
|
G |
LR wheel-speed sensor (signal) |
LR ABS wheel-speed sensor |
Continuity |
G—LR ABS wheel-speed sensor connector terminal A |
Continuity detected |
|
|
H |
LR wheel-speed sensor (ground) |
LR ABS wheel-speed sensor |
Continuity |
H—LR ABS wheel-speed sensor connector terminal B |
Continuity detected |
|
|
I |
RR wheel-speed (signal) |
RR ABS wheel-speed sensor |
Continuity |
I—RR ABS wheel-speed sensor connector terminal A |
Continuity detected |
|
|
J |
Power supply (system) |
Ignition switch |
Voltage |
Ignition switch at ON |
B+ |
|
|
Ignition switch is off. |
1 V or less |
— |
||||
|
K |
— |
— |
— |
— |
— |
— |
|
L |
RR wheel-speed sensor (ground) |
RR ABS wheel-speed sensor |
Continuity |
L—RR ABS wheel-speed sensor connector terminal B |
Continuity detected |
|
|
M |
RF wheel-speed sensor (signal) |
RF ABS wheel-speed sensor |
Continuity |
M—RF ABS wheel-speed sensor connector terminal A |
Continuity detected |
|
|
N |
Brake switch |
Brake switch |
Voltage |
N—ground point (Brake pedal depressed) |
B+ |
|
|
N—ground point (Brake pedal not depressed) |
1 V or less |
— |
||||
|
O |
RF wheel-speed sensor (ground) |
RF ABS wheel-speed sensor |
Continuity |
O—RF ABS wheel-speed sensor connector terminal B |
Continuity detected |
|
|
P |
DSC OFF switch |
DSC OFF switch |
Continuity |
P—DSC OFF switch connector terminal A |
Continuity detected |
|
|
Q |
— |
— |
— |
— |
— |
— |
|
R |
— |
— |
— |
— |
— |
— |
|
S |
— |
— |
— |
— |
— |
— |
|
T |
— |
— |
— |
— |
— |
— |
|
U |
— |
— |
— |
— |
— |
— |
|
V |
— |
— |
— |
— |
— |
— |
|
W |
CAN_L |
DLC-2 (CAN_L) |
Continuity |
W—DLC-2 terminal CAN_L |
Continuity detected |
|
|
X |
CAN_H |
DLC-2 (CAN_H) |
Continuity |
X—DLC-2 terminal CAN_H |
Continuity detected |
|
|
Y |
Ground (combined sensor) |
Combined sensor |
Continuity |
Y—combined sensor connector terminal F |
Continuity detected |
|
|
Z |
— |
— |
— |
— |
— |
— |
|
AA |
Yaw rate (signal) |
Combined sensor |
Continuity |
AA—combined sensor connector terminal B |
Continuity detected |
|
|
AB |
Yaw rate (test signal) |
Combined sensor |
Continuity |
AB—combined sensor connector terminal C |
Continuity detected |
|
|
AC |
— |
— |
— |
— |
— |
— |
|
AD |
— |
— |
— |
— |
— |
— |
|
AE |
Yaw rate (reference signal) |
Combined sensor |
Continuity |
AE—combined sensor connector terminal A |
Continuity detected |
|
|
AF |
— |
— |
— |
— |
— |
— |
|
AG |
— |
— |
— |
— |
— |
— |
|
AH |
— |
— |
— |
— |
— |
— |
|
AI |
Lateral-G (signal) |
Combined sensor |
Continuity |
AI—combined sensor connector terminal D |
Continuity detected |
|
|
AJ |
— |
— |
— |
— |
— |
— |
|
AK |
— |
— |
— |
— |
— |
— |
|
AL |
— |
— |
— |
— |
— |
— |
|
AM |
— |
— |
— |
— |
— |
— |
|
AN |
— |
— |
— |
— |
— |
— |
|
AO |
— |
— |
— |
— |
— |
— |
|
AP |
— |
— |
— |
— |
— |
— |
|
AQ |
— |
— |
— |
— |
— |
— |
|
AR |
— |
— |
— |
— |
— |
— |
|
AS |
— |
— |
— |
— |
— |
— |
|
AT |
— |
— |
— |
— |
— |
— |