Electrical Specification
NOTE:
- Terminal numbers of VDCCM connectors are as shown in Fig 1 .
- When the connector is removed from VDCCM, the connector switch closes the circuit between terminal No. 53 and 54. At this time, ABS warning light and brake warning light (EBD warning light) illuminate.
INPUT/OUTPUT SIGNAL SPECIFICATION CHART
| Description | Terminal No. (+) - (-) | Input/Output signal | |
|---|---|---|---|
| Measured value and measuring conditions | |||
| Ignition switch | 28-1 | When the ignition switch is ON, 10 - 15 V. | |
| ABS wheel speed sensor (Wheel speed sensor) | Front left wheel | 19 - 21 | 0.12 - 1 V (at 20 Hz) |
| Front right wheel | 13 - 14 | ||
| Rear left wheel | 15 - 16 | ||
| Rear right wheel | 17 - 18 | ||
| Yaw rate & lateral G sensor | Output (Lateral G sensor) | 11-64 | 2.2 - 2.8 V, when the vehicle is in horizontal |
| Power supply | 50 - 64 | When the ignition switch is ON, 10 - 15 V. | |
| Output (Yaw rate sensor) | 65 - 64 | Waveform < Ref. to , WAVEFORM , MEASUREMENT, Control Module I/O Signal. > | |
| Reference (Yaw rate sensor) | 66 - 64 | 2.1 - 2.9 V | |
| Test | 67 - 64 | 5 cycle - 1 V of 40 ms pulse signal. < Ref. to , WAVEFORM , MEASUREMENT, Control Module I/O Signal. > | |
| Ground | 64 | - | |
| CAN Communication Line (+) | 83 - 1 | 2.5 - 1.5 V pulse signal < Ref. to , WAVEFORM , MEASUREMENT, Control Module I/O Signal. > | |
| CAN Communication Line (-) | 81-1 | 3.5 - 2.5 V pulse signal < Ref. to , WAVEFORM , MEASUREMENT, Control Module I/O Signal. > | |
| Relay box | Valve relay power supply | 27 - 1 | When the ignition switch is ON, 10 - 15 V. |
| Valve relay driving | 48 - 1 | When the ignition switch ON, less than 15 V. | |
| Motor relay driving | 22 - 1 | Less than 1.5 V (ABS/TCS/VDC operation): More than 10 V (ABS/TCS/VDC not operated) | |
| Motor monitoring | 9 - 1 | Less than 1.5 V (ABS/TCS/VDC operation): More than 10 V (ABS/TCS/VDC not operated) | |
| VDCH/M | Front inlet (maintain) solenoid valve LH | 24 - 1 | When the valve OFF: 10 - 15 V, when the valve ON: less than 1.5 V |
| Front inlet (maintain) solenoid valve RH | 3 - 1 | ||
| Rear inlet (maintain) solenoid valve LH | 31 - 1 | ||
| Rear inlet (maintain) solenoid valve RH | 23 - 1 | ||
| Front outlet (reducing pressure) solenoid valve LH | 26 - 1 | ||
| Front outlet (reducing pressure) solenoid valve RH | 29 - 1 | ||
| Rear outlet (reducing pressure) solenoid valve LH | 4 - 1 | ||
| Rear outlet (reducing pressure) solenoid valve RH | 25 - 1 | ||
| Primary cut solenoid valve | 34 - 1 | ||
| Secondary cut solenoid valve | 35 - 1 | ||
| Primary suction solenoid valve | 32 - 1 | ||
| Secondary suction solenoid valve | 30 - 1 | ||
| Pressure sensor | Power supply | 77 - 75 | When the ignition switch is ON, 4.75 - 5.25 V. |
| Primary output | 76 - 75 | 0.48 - 0.72 V (when the brake pedal is released) | |
| Ground | 75 | - | |
| Secondary output | 44 - 75 | 0.48 - 0.72 V (when the brake pedal is released) | |
| VDC indicator light | 72-1 | After turning the ignition switch to ON, less than 1.5 V during 1.5 seconds and 10 - 15 V after 1.5 seconds passed. | |
| VDC warning light/VDC OFF indicator light | 61 - 1 | When the ignition switch is ON and light is ON, less than 1.5 V, and when the ignition switch is ON and light is OFF, 10 - 15 V. | |
| ABS warning light | 53 - 1 | After turning the ignition switch to ON, less than 1.5 V during 2.6 seconds and 10 - 15 V after 1.5 seconds passed. | |
| Subaru Select Monitor | Data received | 38 - 1 | Less than 1.5 V when no data is received. |
| Data send | 4.75 - 5.25 V when no data is sent. | ||
| VDC OFF Switch | 40 - 1 | When the ignition switch is ON, 10 - 15 V. 0 V (when depressing the switch) | |
| Ground | 1 | - | |
| Ground | 55 | - | |
| Brake warning light (EBD warning light) | 54 - 1 | After turning the ignition switch to ON, less than 1.5 V during 3.6 seconds and 10 - 15V after 1.5 seconds passed. | |