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Standard (Reference)

Fig 1: DSC HU/CM Wiring Harness-Side Connector Terminals
G12234480Courtesy of MAZDA MOTORS CORP.

-: Not applicable

Terminal Signal Name Connected To Measured Item Measured Terminal (Measurement Condition) Standard Inspection Item(s)
A Ground (pump motor) Ground point Continuity A-Ground point Continuity detected
  • Wiring harness (A-Ground point)
B Ground (system) Ground point Continuity B-Ground point Continuity detected
  • Wiring harness (B-Ground point)
C - - - - - -
D - - - - - -
E - - - - - -
F - - - - - -
G - - - - - -
H RR wheel-speed sensor (-) ABS wheel-speed sensor (RR) Continuity H-ABS wheel-speed sensor (RR) terminal D Continuity detected
  • Wiring harness (H-ABS wheel-speed sensor (RR) terminal D)
I LR wheel-speed sensor (-) ABS wheel-speed sensor (LR) Continuity 1-ABS wheel-speed sensor (LR) terminal D Continuity detected
  • Wiring harness (I-ABS wheel-speed sensor (LR) terminal D)
J - - - - - -
K RR wheel-speed sensor (+) ABS wheel-speed sensor (RR) Continuity K-ABS wheel-speed sensor (RR) terminal B Continuity detected
  • Wiring harness (K-ABS wheel-speed sensor (RR) terminal B)
L LR wheel-speed sensor (+) ABS wheel-speed sensor (LR) Continuity L-ABS wheel-speed sensor (LR) terminal B Continuity detected
  • Wiring harness (L-ABS wheel-speed sensor (LR) terminal B)
M - - - - - -
N LF wheel-speed sensor (-) ABS wheel-speed sensor (LF) Continuity N-ABS wheel-speed sensor (LF) terminal B Continuity detected
  • Wiring harness (N-ABS wheel-speed sensor (LF) terminal B)
O RF wheel-speed sensor (-) ABS wheel-speed sensor (RF) Continuity O-ABS wheel-speed sensor (RF) terminal B Continuity detected
  • Wiring harness (O-ABS wheel-speed sensor (RF) terminal B)
P - - - - - -
Q LF wheel-speed sensor (+) ABS wheel-speed sensor (LF) Continuity Q-ABS wheel-speed sensor (LF) terminal A Continuity detected
  • Wiring harness (Q-ABS wheel-speed sensor (LF) terminal A)
R RF wheel-speed sensor (+) ABS wheel-speed sensor (RF) Continuity R-ABS wheel-speed sensor (RF) terminal A Continuity detected
  • Wiring harness (R-ABS wheel-speed sensor (RF) terminal A)
S - - - - - -
T - - - - - -
U - - - - - -
V - - - - - -
W - - - - - -
X - - - - - -
Y - - - - - -
Z - - - - - -
AA - - - - - -
AB CAN_L CAN module This terminal is used for communication and cannot be used for malfunction determination during terminal voltage inspection. Perform a DTC inspection.
AC CAN_H CAN module This terminal is used for communication and cannot be used for malfunction determination during terminal voltage inspection. Perform a DTC inspection.
AD Brake light Brake light unit Voltage Brake pedal depressed B+
  • Wiring harness (AD-Brake light unit terminal H)
Brake pedal not depressed 1 V or less
AE - - - - - -
AF - - - - - -
AG - - - - - -
AH Power supply (system) IG1 relay No. 1 Voltage Ignition switched ON (engine off). B+
  • Wiring harness (AH-IG1 relay No. 1 terminal C)
Switch the ignition off. 1 V or less
AI - - - - - -
AJ - - - - - -
AK Power supply (pump motor operation) Battery Voltage Under any condition B+
  • Wiring harness (AK-Battery positive terminal)
AL Power supply (solenoid operation) Battery Voltage Under any condition B+
  • Wiring harness (AL-Battery positive terminal)
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