FixVault

Electrical Specification

Fig 1: Identifying Control Module Connector Terminals
G04991176Courtesy of SUBARU OF AMERICA, INC.
NOTE:
  • The terminal numbers in the ABS control module and hydraulic control unit connector are as shown in the figure.
  • When the connector is removed from the ABSCM&H/U, the connector switch closes the circuit between terminal No. 22 and No. 23. The ABS warning light illuminates.
TERMINALS REFERENCE

Contents Terminal No. (+)-(-) Input/Output signal
Measured value and measuring conditions
ABS sensor(2) (Wheel speed sensor) Front left wheel 9-10 0.12 - 1 V (When it is 20 Hz.)
Front right wheel 11-12
Rear left wheel 7-8
Rear right wheel 14-15
Valve relay power supply 24-23 10 -15 V
Motor relay power supply 25-23 10 - 15V
G sensor(2) power supply 30-28 4.75 -5.25 V
ground 28 -
output 6-28 2.3±0.2 V when vehicle is in horizontal position.
Stop light switch(1) 2-23 Less than 1.5 V when the stop light is OFF and, 10 - 15 V when the stop light is ON.
ABS warning light(2) 22-23 Less than 1.5 V during 1.5 seconds when ignition switch is ON, and 10 - 15V after 1.5 seconds.
AT ABS signal(2)
(AT model only)
31-23 Less than 1.5 V when the ABS control still operates and more than 5.5 V when ABS does not operate.
ABS operation signal monitor(2) 3-23 Less than 1.5 V when the ABS control still operates and more than 5.5 V when ABS does not operate.
Select monitor(2) Data is received. 20-23 Less than 1.5 V when no data is received.
Data is sent. 5-23 4.75 - 5.25 V when no data is sent.
Power supply(1) 1-23 10 - 15 V when ignition switch is ON.
Grounding line 23 ---
Grounding line 26 ---
(1) Measure the I/O signal voltage after removing the connector from the ABSCM&H/U terminal.
(2) Measure the I/O signal voltage at connector (B62) or (F55).