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Standard (Reference Value)

Fig 1: Identifying DSC HU/CM Connector Terminals
G04318442Courtesy of MAZDA MOTORS CORP.
STANDARD REFERENCE VALUE 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
  • Wiring harness (A-ground point) 
B Power supply (ABS motor operation) Battery Voltage Under any condition B+
  • Wiring harness (B-battery)
C Power supply (solenoid operation) Battery Voltage Under any condition B+
  • Wiring harness (C-battery)
D Ground (DSC system) Ground point Continuity D-ground point Continuity detected
  • Wiring harness (D-ground point)
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 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 LR wheel-speed sensor (signal) LR ABS wheel-speed sensor Continuity G-LR ABS wheel-speed sensor connector terminal A Continuity detected
  • Wiring harness (G-LR ABS wheel-speed sensor connector terminal A)
H LR wheel-speed sensor (ground) LR ABS wheel-speed sensor Continuity H-LR ABS wheel-speed sensor connector terminal B Continuity detected
  • Wiring harness (H-LR ABS wheel-speed sensor connector terminal B)
1 RR wheel-speed (signal) RR ABS wheel-speed sensor Continuity I-RR ABS wheel-speed sensor connector terminal A Continuity detected
  • Wiring harness (I-RR ABS wheel-speed sensor connector terminal A)
J Power supply (system) Ignition switch Voltage Ignition switch at ON B+
  • Wiring harness (J-ignition switch)
- - - - 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
  • Wiring harness (L-RR ABS wheel-speed sensor connector terminal B)
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 Brake switch Brake switch Voltage N-ground point (Brake pedal depressed) B+
  • Wiring harness (N-brake switch)
  • Brake switch
- - - - 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
  • Wiring harness (O-RF ABS wheel-speed sensor connector terminal B)
P DSC OFF switch DSC OFF switch Continuity P-DSC OFF switch connector terminal A Continuity detected
  • Wiring harness (P-DSC OFF switch connector terminal A)
Q - - - - - -
R - - - - - -
S - - - - - -
T - - - - - -
U - - - - - -
V - - - - - -
W CAN_L DLC-2 (CAN_L) Continuity W-DLC-2 terminal CAN_L Continuity detected
  • Wiring harness (W-DLC-2 terminal CAN_L)
X CAN_H DLC-2 (CAN_H) Continuity X-DLC-2 terminal CAN_H Continuity detected
  • Wiring harness (X-DLC-2 terminal CAN_H)
Y Ground (combined sensor) Combined sensor Continuity Y-combined sensor connector terminal F Continuity detected
  • Wiring harness (Y-combined sensor connector terminal F)
Z - - - - - -
AA Yaw rate (signal) Combined sensor Continuity AA-combined sensor connector terminal B Continuity detected
  • Wiring harness (AA-combined sensor connector terminal B)
AB Yaw rate (test signal) Combined sensor Continuity AB-combined sensor connector terminal C Continuity detected
  • Wiring harness (AB-combined sensor connector terminal C)
AC - - - - - -
AD - - - - - -
AE Yaw rate (reference signal) Combined sensor Continuity AE-combined sensor connector terminal A Continuity detected
  • Wiring harness (AE-combined sensor connector terminal A)
AF - - - - - -
AG - - - - - -
AH - - - - - -
AI Lateral-G (signal) Combined sensor Continuity AI-combined sensor connector terminal D Continuity detected
  • Wiring harness (AI-combined sensor connector terminal D)
AJ - - - - - -
AK - - - - - -
AL - - - - - -
AM - - - - - -
AN - - - - - -
AO - - - - - -
AP - - - - - -
AQ - - - - - -
AR - - - - - -
AS - - - - - -
AT - - - - - -