Data Communication Module (DCM)
WARNING: This page is about a different car, the 2024 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
| Terminal No. | Contents | Measuring condition | Standard |
|---|---|---|---|
| (i270) No. 1 | - | - | - |
| (i270) No. 2 | - | - | - |
| (i270) No. 3 | LED GREEN | - | - |
| (i270) No. 4 ←→ Chassis ground | i-button | i-button OFF → ON | 1.6 kΩ or more → Less than 1 Ω |
| (i270) No. 5 ←→ Chassis ground | SOS button | SOS button OFF → ON | 1.6 kΩ or more → Less than 1 Ω |
| (i270) No. 6 | - | - | - |
| (i270) No. 7 | (J) Vehicle external connection CAN-L | - | - |
| (i270) No. 8 ←→ Chassis ground | Ignition power supply | Ignition switch OFF → ON | Less than 1 V → 9 - 16 V |
| (i270) No. 9 | - | - | - |
| (i270) No. 10 ←→ Chassis ground | Battery power supply | Always | 9 - 16 V |
| (i270) No. 11 | - | - | - |
| (i270) No. 12 | - | - | - |
| (i270) No. 13 | LED RED | - | - |
| (i270) No. 14 ←→ Chassis ground | GND | Always | Less than 1 Ω |
| (i270) No. 15 | - | - | - |
| (i270) No. 16 | - | - | - |
| (i270) No. 17 | (J) Vehicle external connection CAN-H | - | - |
| (1270) No. 18 | Collision detection signal | - | - |
| (1270) No. 19 | MUTE | - | - |
| (i270) No. 20 ←→ Chassis ground | ACC | Ignition switch OFF → ACC ON | Less than 1 V → 9 - 16 V |
| (i271) No. 1 | Front speaker input LH - | - | - |
| (i271) No. 2 | Front speaker output LH - | - | - |
| (i271) No. 3 | Front speaker input RH - | - | - |
| (i271) No. 4 | Front speaker output RH - | - | - |
| (i271) No. 5 | MIC signal OUT | - | - |
| (i271) No. 6 | MIC signal IN | - | - |
| (i271) No. 7 | - | - | - |
| (i271) No. 8 | MIC 5 V | - | - |
| (i271) No. 9 | Front speaker input LH + | - | - |
| (i271) No. 10 | Front speaker output LH + | - | - |
| (i271) No. 11 | Front speaker input RH + | - | - |
| (i271) No. 12 | Front speaker output RH + | - | - |
| (i271) No. 13 ←→ Chassis ground | MIC GND OUT | Always | Less than 1 Ω |
| (i271) No. 14 | MIC GND IN | - | - |
| (i271) No. 15 | - | - | - |
| (i271) No. 16 | - | - | - |