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Electrical Specification

G14614730Courtesy of SUBARU OF AMERICA, INC.
NOTE:
  • Terminal numbers in VDCCM & H/U connector (on the control module side) are shown in the figure.
  • When the connector is removed from the VDCCM & H/U, the brake warning light (EBD warning light)/parking brake warning light, ABS warning light, VDC warning light & VDC 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 (+)(1) - -
(B66) No. 3 RH rear brake caliper (-)(1) - -
(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(1) Always Battery voltage
(B66) No. 11 (G)_Chassis CAN H signal - -
(B66) No. 12 LH rear brake caliper (-)(1) - -
(B66) No. 13 LH rear brake caliper (+)(1) - -
(B66) No. 14 Ground - -
(B66) No. 15 Electronic parking brake switch(1) - -
(B66) No. 16 Electronic parking brake switch(1) - -
(B66) No. 19 Power unit 1 CAN L signal - -
(B66) No. 20 ←→ Chassis ground Brake booster pressure sensor power supply(2) 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 (G)_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(2) - -
(B66) No. 30 ←→ Chassis ground VDCCM power supply Always Battery voltage
(B66) No. 31 Electronic parking brake switch(1) - -
(B66) No. 32 Electronic parking brake switch(1) - -
(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. 41 ←→ Chassis ground VDC OFF switch VDC OFF switch operation Switch ON: 1 Ω or less
Switch OFF: 1 MΩ or more
(B66) No. 45 Brake booster pressure sensor signal(2) - -
(B66) No. 46 Ground - -
(1) CVT MODEL
(2) WITHOUT ELECTRIC BRAKE BOOSTER