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Standard (Reference)

Fig 1: Identifying DSC HU/CM Connector Terminals
G07874357Courtesy of MAZDA MOTORS CORP.
Terminal Signal name Connected to Measured item Measured terminal (measurement condition) Standard Inspection item(s)
A - - - - - -
B Ground Ground point Continuity B-ground point Continuity detected
  • Wiring harness (B-ground point)
C - - - - - -
D - - - - - -
E - - - - - -
F LF wheel-speed sensor (-) LF wheel-speed sensor Continuity F-LF ABS wheel-speed sensor terminal B Continuity detected
  • Wiring harness (F-LF ABS wheel-speed sensor terminal B)
G - - - - - -
H - - - - - -
I LF wheel-speed sensor (+) LF ABS wheel-speed sensor Continuity I-LF ABS wheel-speed sensor terminal A Continuity detected
  • Wiring harness (I-LF ABS wheel-speed sensor terminal A)
J CAN_L DLC-2 (CAN_L) This terminal is used for communication and cannot be used for malfunction determination during terminal voltage inspection. Perform a DTC inspection.
K - - - - - -
L - - - - - -
M CAN_H DLC-2 (CAN_H) This terminal is used for communication and cannot be used for malfunction determination during terminal voltage inspection. Perform a DTC inspection.
N - - - - - -
O RR wheel-speed (+) RR ABS wheel-speed sensor Continuity O-RR ABS wheel-speed sensor terminal A Continuity detected
  • Wiring harness (O-RR ABS wheel-speed sensor terminal A)
P - - - - - -
Q - - - - - -
R RR wheel-speed (-) RR ABS wheel-speed sensor Continuity R-RR ABS wheel-speed sensor terminal B Continuity detected
  • Wiring harness (R-RR ABS wheel-speed sensor terminal B)
S - - - - - -
T - - - - - -
U - - - - - -
V - - - - - -
W - - - - - -
X - - - - - -
Y Power supply (system) Ignition switch or IG1 relay Voltage Switch the ignition to ON. B+
  • Wiring harness (Y-ignition switch or IG1 relay)
Switch the ignition to off. 1 V or less
Z - - - - - -
AA - - - - - -
AB - - - - - -
AC - - - - - -
AD - - - - - -
AE - - - - - -
AF - - - - - -
AG LR wheel-speed (-) LR wheel-speed sensor Continuity AG-LR ABS wheel-speed sensor terminal B Continuity detected
  • Wiring harness (AG-LR ABS wheel-speed sensor terminal B)
AH - - - - - -
AI - - - - - -
AJ LR wheel-speed (+) LR ABS wheel-speed sensor Continuity AJ-LR ABS wheel-speed sensor terminal A Continuity detected
  • Wiring harness (AJ-LR ABS wheel-speed sensor terminal A)
AK DSC OFF switch DSC OFF switch Continuity AK-DSC OFF switch terminal B Continuity detected
  • Wiring harness (AK-DSC OFF switch terminal B)
AL CAN2_L SAS control module This terminal is used for communication and cannot be used for malfunction determination during terminal voltage inspection. Perform a DTC inspection.
AM - - - - - -
AN - - - - - -
AO CAN2_H SAS control module This terminal is used for communication and cannot be used for malfunction determination during terminal voltage inspection. Perform a DTC inspection.
AP RF wheel-speed (+) RF ABS wheel-speed sensor Continuity AP-RF ABS wheel-speed sensor terminal A Continuity detected
  • Wiring harness (AP-RF ABS wheel-speed sensor terminal A)
AQ - - - - - -
AR - - - - - -
AS RF wheel-speed (-) RF ABS wheel-speed sensor Continuity AS-RF ABS wheel-speed sensor terminal B Continuity detected
  • Wiring harness (AS-RF ABS wheel-speed sensor terminal B)
AT Power supply (ABS motor operation) Battery Voltage Under any condition B+
  • Wiring harness (AT-battery)
AU Power supply (solenoid operation) Battery Voltage Under any condition B+
  • Wiring harness (AU-battery)
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