| -T38a- | Designation | | | Designation |
| 1 | Terminal 31 | | 20 | Front left treble loudspeaker -R20- , - |
| 2 | Terminal 30 | | 21 | Rear left loudspeaker -R4- , - |
| 3 | Front right loudspeaker -R3- , - | | 22 | Rear right loudspeaker -R5- , + |
| 4 | -- | | 23 | Convenience CAN bus high |
| 5 | -- | | 24 | -- |
| 6 | Front left loudspeaker -R2- , - | | 25 | -- |
| 7 | Front right treble loudspeaker -R22- , - | | 26 | -- |
| 8 | Front left treble loudspeaker -R20- , + | | 27 | LR IN, - |
| 9 | Rear left loudspeaker -R4- , + | | 28 | RR IN, - |
| 10 | Rear right loudspeaker -R5- , - | | 29 | LF IN, - |
| 11 | Subwoofer -R211- , - | | 30 | RF IN,- |
| 12 | Subwoofer -R211- , + | | 31 | Convenience CAN bus low |
| 13 | Subwoofer -R211- , + | | 32 | -- |
| 14 | Subwoofer -R211- , - | | 33 | -- |
| 15 | Front right loudspeaker -R3- , + | | 34 | -- |
| 16 | -- | | 35 | LR IN. + |
| 17 | -- | | 36 | RR IN, + |
| 18 | Front left loudspeaker -R2- , + | | 37 | LF IN, + |
| 19 | Front right treble loudspeaker -R22- , + | | 38 | RF IN, + |
| -T73a- | Designation | | -T73b- | Designation |
| 1 | -- | | 1 | -- |
| 2 | Left dipped beam | | 2 | Right dipped beam |
| 3 | -- | | 3 | Left daytime running lights |
| 4 | Interior light dimmer | | 4 | 58D supply |
| 5 | Right daytime running lights | | 5 | -- |
| 6 | Rear fog light | | 6 | -- |
| 7 | Fog light, lighting rotary switch | | 7 | Number plate light |
| 8 | -- | | 8 | -- |
| 9 | Emergency braking function button | | 9 | Left fog light with cornering light |
| 10 | Central locking authorisation motor, rear lid | | 10 | Right fog light with cornering light |
| 11 | Central locking, lock motor, driver | | 11 | Terminal 30 reversing lights, dipped beam |
| 12 | Central locking, common motor, driver | | 12 | Reversing light |
| 13 | Central locking, safe, driver | | 13 | Terminal 30 left turn signal/brake light |
| 14 | Terminal 31 central locking | | 14 | Left turn signal |
| 15 | Central locking motor front passenger | | 15 | Right turn signal |
| 16 | Terminal 30 central locking | | 16 | Brake light |
| 17 | -- | | 17 | -- |
| 18 | -- | | 18 | Powertrain CAN low |
| 19 | Driver door rotary latch | | 19 | Powertrain CAN high |
| 20 | Passenger door rotary latch | | 20 | Convenience CAN high |
| 21 | Central locking status lock, front passenger | | 21 | Convenience CAN low |
| 22 | Central locking status lock, driver | | 22 | CAN diagnosis low |
| 23 | Unlock rear lid | | 23 | CAN diagnosis high |
| 24 | Central locking lock position, driver | | 24 | LIN 2, roof |
| 25 | Central locking unlock button | | 25 | -- |
| 26 | -- | | 26 | -- |
| 27 | Bonnet contact | | 27 | Front wipers 1st stage, steering column lock switch |
| 28 | Hazard warning button | | 28 | Central locking lock position, front passenger |
| 29 | Horn button | | 29 | Rotary light switch - zero position |
| 30 | Rear lid main latch | | 30 | -- |
| 31 | Rear lid first latch | | 31 | Heated rear window button |
| 32 | Right turn signal, steering column switch | | 32 | Front wiper, end switch |
| 33 | Left turn signal, steering column switch | | 33 | -- |
| 34 | -- | | 34 | -- |
| 35 | -- | | 35 | -- |
| 36 | Seat heating authorisation | | 36 | -- |
| 37 | -- | | 37 | LIN, alternator |
| 38 | Heated exterior mirror | | 38 | Terminal 31 electronics |
| 39 | Terminal 31 signal earth | | 39 | Terminal 30 electronics |
| 40 | Right side light | | 40 | Terminal 31 signal earth |
| 41 | Left side light | | 41 | -- |
| 42 | Terminal S ignition switch | | 42 | -- |
| 43 | Brake light sensor | | 43 | Rear fog light, rotary light switch |
| 44 | Terminal 15 ignition switch | | 44 | CCS set, steering column switch |
| 45 | Side light, rotary light switch | | 45 | CCS E/A, steering column switch |
| 46 | -- | | 46 | CCS RES, steering column switch |
| 47 | -- | | 47 | CCS cancel, steering column switch |
| 48 | -- | | 48 | Reversing light switch |
| 49 | -- | | 49 | Terminal L |
| 50 | -- | | 50 | Terminal 50 ignition/starter switch |
| 51 | -- | | 51 | Terminal X ignition switch |
| 52 | Fuel pump relay | | 52 | Dip beam position, rotary light switch |
| 53 | -- | | 53 | Front wipers 2nd stage, steering column lock switch |
| 54 | Terminal X relay | | 54 | -- |
| 55 | Starter inhibitor relay | | 55 | Starter inhibitor signal |
| 56 | Hazard warning light button LED | | 56 | Central locking status lock, rear lid |
| 57 | -- | | 57 | -- |
| 58 | LED Safe LED | | 58 | Heated exterior mirror switch |
| 59 | LED lock/unlock button | | 59 | Terminal 30, reference |
| 60 | Heated rear window LED | | 60 | Terminal 31 reference |
| 61 | -- | | 61 | Steering column switch, washer pump |
| 62 | Main beam, steering column switch | | 62 | Steering column switch, front wiper intermittent |
| 63 | Terminal 30, left main/dipped beam, daytime driving lights | | 63 | Heated rear window |
| 64 | Terminal 30 heated exterior mirror | | 64 | -- |
| 65 | Terminal 30G | | 65 | -- |
| 66 | Terminal 30, interior light/30G | | 66 | -- |
| 67 | -- | | 67 | Terminal 30 heated rear window |
| 68 | Terminal 30 windscreen wiper | | 68 | Terminal 30, right main/dipped beam, daytime driving lights |
| 69 | Front wipers 1st stage | | 69 | -- |
| 70 | Brake earth, front wiper | | 70 | -- |
| 71 | Front wipers 2nd stage | | 71 | -- |
| 72 | Horn | | 72 | -- |
| 73 | Terminal 30 horn | | 73 | -- |
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