Connector, black (4-pin)
Before taking any readings, see Connecting the breakout box and checking the ground terminals .
Terminals B1-B4 correspond to terminals 39-42 on the breakout box.
| Terminal | Terminal on the breakout box | Signal type | Ignition on | Idling | Other |
|---|---|---|---|---|---|
| #B1 | #39 | Signal supply (Ext X) | U = Ubat | U = Ubat | Passenger compartment fuse 24 |
| #B2 | #40 | Control modules communication cable (CAN H) | U=1.5-2.0 V | U=1.5-2.0 V | - |
| #B3 | #41 | Control modules communication cable (CAN L) | U=1.5-2.0 V | U=1.5-2.0 V | - |
| #B4 | #42 | Ground supply (31) | U = Ulow | U = Ulow | - |