Signal Specification, Differential Electronic Module (DEM): General
Pins 1, 5, 6 and 8 are not used.
| U= | DC voltage in volts (V) | Ubat = | Battery voltage in volts (V) |
| I = | Current in amperes (A) | Ulow = | Voltage approximately 0 V |
| F = | Frequency in Hertz (Hz) |
CONNECTOR C1
| ECU | Signal type | Ignition on | Miscellaneous |
| #C1:1 | - | - | - |
| #C1:2 | CAN L | U = 1.0 - 2.5 V | - |
| #C1:3 | Power supply | U = Ubat | Protected with a 15 A fuse |
| #C1:4 | CAN H | U = 2.5 - 4.0 V | - |
| #C1:5 | - | - | - |
| #C1:6 | - | - | - |
| #C1:7 | Power ground | U=Ulow | KL31 - Battery minus. |
| #C1:8 | - | - | - |
All values that are given for connector C1 are measured between each terminal given in column 1 and #C1:7 (ground terminal).
CONNECTOR C2
| ECU | Signal type | Ignition on | Miscellaneous |
| #C2:1 | Power supply | U = Ubat | - |
| #C2:2 | Signal ground | U = Ulow | - |
All values that are given for connector C2 are measured between each terminal given in column 1 and #C2:2 (ground terminal).