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DSC HU/CM INSPECTION

BHE041543750W02

1. Disconnect the DSC HU/CM connector.

2. Connect the negative battery cable.

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.

## Standard (Reference Value)

Terminal | Signal name | Connected to | Measured item | Measured terminal (measured condition) | Standard | Inspection item(s)
--- | --- | --- | --- | --- | --- | ---
A | Yaw rate (reference signal) | Combined sensor | Continuity | A-combined sensor connector terminal A | Continuity detected | • Wiring harness (A-combined sensor connector terminal A)
B | Brake fluid pressure (signal) | Brake fluid pressure sensor | Continuity | B-brake fluid pressure sensor connector terminal B | Continuity detected | • Wiring harness (B-brake fluid pressure sensor connector terminal B)
C | Power supply (brake fluid pressure sensor) | Brake fluid pressure sensor | Continuity | C-brake fluid pressure sensor connector terminal C | Continuity detected | • Wiring harness (C-brake fluid pressure sensor connector terminal C)
D | Yaw rate (test signal) | Combined sensor | Continuity | D-combined sensor connector terminal C | Continuity detected | • Wiring harness (D-combined sensor connector terminal C)
E | Ground (brake fluid pressure sensor) | Brake fluid pressure sensor | Continuity | E-brake fluid pressure sensor connector terminal A | Continuity detected | • Wiring harness (E-brake fluid pressure sensor connector terminal A)
F | Yaw rate (signal) | Combined sensor | Continuity | F-combined sensor connector terminal B | Continuity detected | • Wiring harness (F-combined sensor connector terminal B)
G | Lateral-G (signal) | Combined sensor | Continuity | G-combined sensor connector terminal D | Continuity detected | • Wiring harness (G-combined sensor connector terminal D)
H | CAN_H | DLC-2 (CAN_H) | Continuity | H-DLC-2 terminal CAN_H | Continuity detected | • Wiring harness (H-DLC-2 terminal CAN_H)
I | CAN_L | DLC-2 (CAN_L) | Continuity | I-DLC-2 terminal CAN_L | Continuity detected | • Wiring harness (I-DLC-2 terminal CAN_L)
J | - | - | - | - | - | -
K | Power supply (system) | Ignition switch | Voltage | Ignition switch at ON | B+ | • Wiring harness (K-ignition switch)
Ignition switch is off. | 1 V or less | -
L | Power supply (combined sensor) | Combined sensor | Continuity | L-combined sensor connector terminal E | Continuity detected | • Wiring harness (L-combined sensor connector terminal E)
M | - | - | - | - | - | -
N | - | - | - | - | - | -
O | Power supply (solenoid operation) | Battery | Voltage | Under any condition | B+ | • Wiring harness (O-battery)
P | Ground (combined sensor) | Combined sensor | Continuity | P-combined sensor connector terminal F | Continuity detected | • Wiring harness (P-combined sensor connector terminal F)
Q | - | - | - | - | - | -
R | - | - | - | - | - | -
S | - | - | - | - | - | -
T | Ground (DSC system) | Ground point | Continuity | T-ground point | Continuity detected | • Wiring harness (T-ground point)
U | - | - | - | - | - | -
V | - | - | - | - | - | -
W | - | - | - | - | - | -
X | - | - | - | - | - | -
Y | - | - | - | - | - | -
Z | - | - | - | - | - | -
AA | Vehicle speed output | Audio unit | Continuity | AA-audio unit | Continuity detected | • Wiring harness (AA-audio unit)
Car-navigation unit | AA-car-navigation unit | • Wiring harness (AA-car-navigation unit)
Auto leveling control module | AA-auto leveling control module | • Wiring harness (AA-auto leveling control module)
AB | - | - | - | - | - | -
AC | RF wheel-speed sensor (signal) | RF ABS wheel-speed sensor | Continuity | AC-RF ABS wheel-speed sensor connector terminal A | Continuity detected | • Wiring harness (AC-RF ABS wheel-speed sensor connector terminal A)
AD | Brake switch | Brake switch | Voltage | AD-ground point (Brake pedal depressed with ignition switch at ON) | B+ | • Wiring harness (AD-brake switch) • Brake switch
AD-ground point (Brake pedal not depressed with ignition switch at ON) | 1 V or less | -
AE | RF wheel-speed sensor (ground) | RF ABS wheel-speed sensor | Continuity | AE-RF ABS wheel-speed sensor connector terminal B | Continuity detected | • Wiring harness (AE-RF ABS wheel-speed sensor connector terminal B)
AF | RR wheel-speed (signal) | RR ABS wheel-speed sensor | Continuity | AF-RR ABS wheel-speed sensor connector terminal A | Continuity detected | • Wiring harness (AF-RR ABS wheel-speed sensor connector terminal A)
AG | Power supply (ABS motor operation) | Battery | Voltage | Under any condition | B+ | • Wiring harness (AG-battery)
AH | LR wheel-speed sensor (signal) | LR ABS wheel-speed sensor | Continuity | AH-LR ABS wheel-speed sensor connector terminal A | Continuity detected | • Wiring harness (AH-LR ABS wheel-speed sensor connector terminal A)
AI | RR wheel-speed sensor (ground) | RR ABS wheel-speed sensor | Continuity | AI-RR ABS wheel-speed sensor connector terminal B | Continuity detected | • Wiring harness (AI-RR ABS wheel-speed sensor connector terminal B)
AJ | LF wheel-speed sensor (ground) | LF ABS wheel-speed sensor | Continuity | AJ-LF ABS wheel-speed sensor connector terminal B | Continuity detected | • Wiring harness (AJ-LF ABS wheel-speed sensor connector terminal B)
AK | LR wheel-speed sensor (ground) | LR ABS wheel-speed sensor | Continuity | AK-LR ABS wheel-speed sensor connector terminal B | Continuity detected | • Wiring harness (AK-LR ABS wheel-speed sensor connector terminal B)
AL | LF wheel-speed sensor (single) | LF ABS wheel-speed sensor | Continuity | AL-LF ABS wheel-speed sensor connector terminal A | Continuity detected | • Wiring harness (AL-LF ABS wheel-speed sensor connector terminal A)
AM | - | - | - | - | - | -
AN | Ground (ABS motor) | Ground point | Continuity | AN-ground point | Continuity detected | • Wiring harness (AN-ground point)
AO | KLN | DLC-2 (KLN) | Continuity | AO-DLC-2 terminal KLN | Continuity detected | • Wiring harness (AO-DLC-2 terminal KLN)
AP | DSC OFF switch | DSC OFF switch | Continuity | AP-DSC OFF switch connector terminal C | Continuity detected | • Wiring harness (AP-DSC OFF switch connector terminal C)