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ABS HU/CM INSPECTION [APPLIED VIN (ASSUMED): JM0 DY10Y100 108402-, JM6 DY10*100 109001-]

id0413008010a6

1. Remove the battery and battery tray.

2. Disconnect the HU/CM connector.

3. Install the battery.

4. Attach the tester lead to the ABS HU/CM harness side connector, then inspect voltage, continuity or resistance according to the table.

## Standard (reference value)

Terminal | Signal name | Connected to | Measured item | Measured terminal (measurement condition) | Standard | Inspection item(s)
--- | --- | --- | --- | --- | --- | ---
A | - | - | - | - | - | -
B | Ground (ABS motor) | Ground point | Continuity | B-ground point | Continuity detected | • Wiring harness (B-ground point)
C | RR wheel-speed (ground) | RR ABS wheel-speed sensor | Continuity | C-RR ABS wheel-speed sensor terminal C | Continuity detected | • Wiring harness (C-RR ABS wheel-speed sensor terminal C)
D | - | - | - | - | - | -
E | RR wheel-speed (signal) | RR ABS wheel-speed sensor | Continuity | E-RR ABS wheel-speed sensor terminal A | Continuity detected | • Wiring harness (E-RR ABS wheel-speed sensor terminal A)
F | - | - | - | - | - | -
G | - | - | - | - | - | -
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 | LF wheel-speed (signal) | LF ABS wheel-speed sensor | Continuity | I-LF ABS wheel-speed sensor terminal B | Continuity detected | • Wiring harness (I-LF ABS wheel-speed sensor terminal B)
J | - | - | - | - | - | -
K | LF wheel-speed (ground) | LF ABS wheel-speed sensor | Continuity | K-LF ABS wheel-speed sensor terminal A | Continuity detected | • Wiring harness (K-LF ABS wheel-speed sensor terminal A)
L | CAN_L | DLC-2 (CAN_L) | Continuity | L-DLC-2 terminal CAN_L | Continuity detected | • Wiring harness (L-DLC-2 terminal CAN_L)
M | - | - | - | - | - | -
N | Power supply (system) | Ignition switch | Voltage | The ignition switch is at the ON position. | B+ | • Wiring harness (N-ignition switch)
The ignition switch is off. | 1 V or less | -
O | RF wheel-speed (ground) | RF ABS wheel-speed sensor | Continuity | O-RF ABS wheel-speed sensor terminal A | Continuity detected | • Wiring harness (O-RF ABS wheel-speed sensor terminal A)
P | - | - | - | - | - | -
Q | RF wheel-speed (signal) | RF ABS wheel-speed sensor | Continuity | Q-RF ABS wheel-speed sensor terminal B | Continuity detected | • Wiring harness (Q-RF ABS wheel-speed sensor terminal B)
R | KLN | DLC-2 (KLN) | Continuity | R-DLC-2 terminal KLN | Continuity detected | • Wiring harness (R-DLC-2 terminal KLN)
S | - | - | - | - | - | -
T | - | - | - | - | - | -
U | LR wheel-speed (signal) | LR ABS wheel-speed sensor | Continuity | U-LR ABS wheel-speed sensor terminal B | Continuity detected | • Wiring harness (U-LR ABS wheel-speed sensor terminal B)
V | Brake switch | Brake switch | Voltage | V-Ground point (When depressing the brake pedal with IG SW at the ON position) | VB | • Wiring harness (V-brake switch) • Brake switch
V-Ground point (When releasing the brake pedal with IG SW at the ON position) | 1V or less
W | LR wheel-speed (ground) | LR ABS wheel-speed sensor | Continuity | W-LR ABS wheel-speed sensor terminal D | Continuity detected | • Wiring harness (W-LR ABS wheel-speed sensor terminal D)
X | - | - | - | - | - | -
Y | Power supply (solenoid operation) | Battery | Voltage | Under any condition | B+ | • Wiring harness (Y-battery)
Z | Power supply (ABS motor operation) | Battery | Voltage | Under any condition | B+ | • Wiring harness (Z-battery)