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Electrical Specification

G13630616Courtesy of SUBARU OF AMERICA, INC.
NOTE:
  • Terminal numbers in VDCCM and H/U connector (on the control module side) are shown in the figure.
  • When the connector is removed from the VDCCM and H/U, the brake warning light (EBD warning light), ABS warning light, VDC warning light and VDC operation indicator light and VDC OFF indicator light illuminate.
Terminal No. Contents Measuring condition Standard
(B66) No. 1 ↔ Chassis ground VDC pump motor power supply Always Battery voltage
(B66) No. 2 RH rear brake caliper (+) - -
(B66) No. 3 RH rear brake caliper (-) - -
(B66) No. 5 Power unit 1 CAN_H signal - -
(B66) No. 7 FL wheel speed sensor GND - -
(B66) No. 8 ↔ Chassis ground Electronic parking brake indicator light Always Battery voltage
(B66) No. 11 Chassis CAN_H signal - -
(B66) No. 12 LH rear brake caliper (-) - -
(B66) No. 13 LH rear brake caliper (+) - -
(B66) No. 14 Ground - -
(B66) No. 15 Electronic parking brake switch - -
(B66) No. 16 Electronic parking brake switch - -
(B66) No. 19 Power unit 1 CAN_L signal - -
(B66) No. 20 ↔ Chassis ground Brake booster pressure sensor power supply Ignition switch: ON 4.85 - 5.15 V
(B66) No. 21 FR wheel speed sensor signal - -
(B66) No. 22 RR wheel speed sensor signal - -
(B66) No. 23 RL wheel speed sensor GND - -
(B66) No. 24 FL wheel speed sensor signal - -
(B66) No. 25 Chassis CAN_L signal - -
(B66) No. 26 FR wheel speed sensor GND - -
(B66) No. 27 ↔ Chassis ground Brake fluid level switch Ignition switch: ON 6 V or more
(B66) No. 28 Brake booster pressure sensor GND - -
(B66) No. 30 ↔ Chassis ground VDCCM power supply Always Battery voltage
(B66) No. 31 Electronic parking brake switch - -
(B66) No. 32 Electronic parking brake switch - -
(B66) No. 33 ↔ Chassis ground Stop light switch output Ignition switch: ON Ignition power supply voltage
(B66) No. 34 VSO PIN output -  
(B66) No. 35 VSO PIN output -  
(B66) No. 36 ↔ Chassis ground Ignition power supply Ignition switch: ON Ignition power supply voltage
(B66) No. 37 RR wheel speed sensor GND - -
(B66) No. 38 ↔ Chassis ground Stop light switch Brake pedal operation Brake ON: Battery voltage Brake OFF: Ground
(B66) No. 39 RL wheel speed sensor signal - -
(B66) No. 45 Brake booster pressure sensor output signal - -
(B66) No. 46 Ground - -