LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2009 >> Forester XT >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Anti-Lock Brake System - Anti-Lock Brake Control System - Vehicle Dynamics Control (VDC) (Diagnostics) >> Control Module I/O Signal >> Electrical Specification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Electrical Specification

Fig 1: Identifying Control Module I/O Signal Connector Terminals
G05343446Courtesy of SUBARU OF AMERICA, INC.
NOTE:
  • Terminal numbers in VDCCM & H/U connector are shown in the illustration.
  • When the connector is removed from the VDCCM & H/U, the ABS warning light, VDC warning light, VDC OFF indicator light, and the hill start assist warning light illuminate.
TERMINAL SIGNAL REFERENCE CHART

Content Terminal No. (+) - (-) Input/Output signal
Measured value and measuring conditions
Power supply 28 - 25 10 - 15 V when the ignition switch is ON.
ABS wheel speed sensor Front LH wheel Power supply 26 - 25 4.5-16.5 V
Signal 1 5.9 - 16.8 mA: Rectangle waveform
Front RH wheel Power supply 5 - 25 4.5-16.5 V
Signal 6 5.9 - 16.8 mA: Rectangle waveform
Rear LH wheel Power supply 2 - 25 4.5-16.5 V
Signal 27 5.9 - 16.8 mA: Rectangle waveform
Rear RH wheel Power supply 3 - 25 4.5-16.5 V
Signal 4 5.9 - 16.8 mA: Rectangle waveform
CAN communication line (+) 35 2.5 - 1.5 V pulse signal
CAN communication line (-) 10 3.5 - 2.5 V pulse signal
Valve relay power supply 24 - 25 10 - 15 V when the ignition switch is ON.
Motor relay power supply 23 - 22 10 - 15V when the ignition switch is ON.
Stop light switch 30 - 25 1.5 V or less when the stop light is OFF; otherwise, 10 - 15 V when the stop light is ON.
Subaru Select Monitor 7 - 25 0 โ†” 12 V pulse (in communication)
Vehicle speed output signal 33 0 โ†” 12 V pulse
Ground 25 -