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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