| Connector | Pin | Terminal |
| -T52a- (A) | 1 | Left light supply input signal (30) |
| -T52a- (A) | 2 | Vacant |
| -T52a- (A) | 3 | Right tail light output signal |
| -T52a- (A) | 4 | Left tail light output signal |
| -T52a- (A) | 5 | Left main beam output signal |
| -T52a- (A) | 6 | Vacant |
| -T52a- (A) | 7 | Vacant |
| -T52a- (A) | 8 | Vacant |
| -T52a- (A) | 9 | Rear right turn signal output signal |
| -T52a- (A) | 10 | Front left turn signal output signal |
| -T52a- (A) | 11 | Front left dip beam output signal |
| -T52a- (A) | 12 | Rear lid lock unit input signal |
| -T52a- (A) | 13 | Rear lid unlock unit input signal |
| -T52a- (A) | 14 | Bonnet contact switch input signal |
| -T52a- (A) | 15 | Vacant |
| -T52a- (A) | 16 | Reversing light switch input signal |
| -T52a- (A) | 17 | Rear fog light switch input signal |
| -T52a- (A) | 18 | Daytime running light switch input signal |
| -T52a- (A) | 19 | Tail light switch input signal |
| -T52a- (A) | 20 | Rotary light switch input signal |
| -T52a- (A) | 21 | Fog light switch input signal |
| -T52a- (A) | 22 | Dipped beam switch input signal |
| -T52a- (A) | 23 | Earth reference voltage input signal (31) |
| -T52a- (A) | 24 | Reference voltage input signal (30) |
| -T52a- (A) | 25 | Left fog light signal output |
| -T52a- (A) | 26 | Right brake light output signal |
| -T52a- (A) | 27 | Rear left tail light output signal |
| -T52a- (A) | 28 | Left reversing light signal output |
| -T52a- (A) | 29 | Rear lid lock unit input signal |
| -T52a- (A) | 30 | Vacant |
| -T52a- (A) | 31 | Vacant |
| -T52a- (A) | 32 | Vacant |
| -T52a- (A) | 33 | Vacant |
| -T52a- (A) | 34 | Vacant |
| -T52a- (A) | 35 | Rear lid unlocking switch input signal |
| -T52a- (A) | 36 | Interior monitoring deactivation switch input signal |
| -T52a- (A) | 37 | Vacant |
| -T52a- (A) | 38 | Vacant |
| -T52a- (A) | 39 | Vacant |
| -T52a- (A) | 40 | Vacant |
| -T52a- (A) | 41 | Vacant |
| -T52a- (A) | 42 | Central locking earth supply input signal (31) |
| -T52a- (A) | 43 | Dual washer pump output signal |
| -T52a- (A) | 44 | Front right side light output signal |
| -T52a- (A) | 45 | High-level brake light output signal |
| -T52a- (A) | 46 | Tank filler flap output signal |
| -T52a- (A) | 47 | Vacant |
| -T52a- (A) | 48 | Vacant |
| -T52a- (A) | 49 | Vacant |
| -T52a- (A) | 50 | Vacant |
| -T52a- (A) | 51 | Vacant |
| -T52a- (A) | 52 | Vacant |
| -T52b- (B) | 1 | Central locking supply input signal (30) |
| -T52b- (B) | 2 | Dual washer pump output signal |
| -T52b- (B) | 3 | Vacant |
| -T52b- (B) | 4 | Vacant |
| -T52b- (B) | 5 | Tank filler flap output signal |
| -T52b- (B) | 6 | Vacant |
| -T52b- (B) | 7 | Vacant |
| -T52b- (B) | 8 | Vacant |
| -T52b- (B) | 9 | Vacant |
| -T52b- (B) | 10 | Vacant |
| -T52b- (B) | 11 | Rear lid locking output signal |
| -T52b- (B) | 12 | Relay supply of terminal 15 output signal |
| -T52b- (B) | 13 | Vacant |
| -T52b- (B) | 14 | Vacant |
| -T52b- (B) | 15 | Instrument illumination switch input signal |
| -T52b- (B) | 16 | Vacant |
| -T52b- (B) | 17 | Vacant |
| -T52b- (B) | 18 | Vacant |
| -T52b- (B) | 19 | Vacant |
| -T52b- (B) | 20 | Vacant |
| -T52b- (B) | 21 | Seat heating control unit output signal |
| -T52b- (B) | 22 | Heated rear window output relay |
| -T52b- (B) | 23 | Vacant |
| -T52b- (B) | 24 | Hazard warning button LED input signal |
| -T52b- (B) | 25 | Vacant |
| -T52b- (B) | 26 | Vacant |
| -T52b- (B) | 27 | Vacant |
| -T52b- (B) | 28 | Terminal 75 relay output signal |
| -T52b- (B) | 29 | Terminal 50 relay output signal |
| -T52b- (B) | 30 | Instrument illumination switch output signal (earth) |
| -T52b- (B) | 31 | Vacant |
| -T52b- (B) | 32 | Vacant |
| -T52b- (B) | 33 | LIN bus wiper; rain sensor |
| -T52b- (B) | 34 | Vacant |
| -T52b- (B) | 35 | Vacant |
| -T52b- (B) | 36 | LIN Bus anti-theft alarm system |
| -T52b- (B) | 37 | Anti-theft alarm LED output signal (earth) |
| -T52b- (B) | 38 | Auxiliary heater fuel pump relay output signal |
| -T52b- (B) | 39 | Vacant |
| -T52b- (B) | 40 | Headlight washer system relay output signal |
| -T52b- (B) | 41 | Dual tone horn relay output signal |
| -T52b- (B) | 42 | Terminal 30 supply input signal |
| -T52b- (B) | 43 | Anti-theft alarm LED output signal |
| -T52b- (B) | 44 | Vacant |
| -T52b- (B) | 45 | Vacant |
| -T52b- (B) | 46 | Vacant |
| -T52b- (B) | 47 | Vacant |
| -T52b- (B) | 48 | Vacant |
| -T52b- (B) | 49 | Vacant |
| -T52b- (B) | 50 | Footwell light output signal |
| -T52b- (B) | 51 | Instrument and switch illumination output signal (58d) |
| -T52b- (B) | 52 | Left light earth input signal |
| -T52c- (C) | 1 | Anti-theft alarm supply input signal (30a) |
| -T52c- (C) | 2 | Alarm horn ATA (NAR) output signal |
| -T52c- (C) | 3 | Rear right tail light output signal |
| -T52c- (C) | 4 | Left brake light output signal |
| -T52c- (C) | 5 | Right light earth supply input signal |
| -T52c- (C) | 6 | Vacant |
| -T52c- (C) | 7 | Hazard warning light button input signal |
| -T52c- (C) | 8 | Vacant |
| -T52c- (C) | 9 | Vacant |
| -T52c- (C) | 10 | Interior light output signal |
| -T52c- (C) | 11 | Vacant |
| -T52c- (C) | 12 | Vacant |
| -T52c- (C) | 13 | Ignition/starter switch output signal |
| -T52c- (C) | 14 | Ignition/start switch terminal 50 input signal |
| -T52c- (C) | 15 | Convenience CAN bus HIGH |
| -T52c- (C) | 16 | Convenience CAN bus LOW |
| -T52c- (C) | 17 | Brake light switch signal input |
| -T52c- (C) | 18 | Vacant |
| -T52c- (C) | 19 | Vacant |
| -T52c- (C) | 20 | Vacant |
| -T52c- (C) | 21 | Vacant |
| -T52c- (C) | 22 | Vacant |
| -T52c- (C) | 23 | Vacant |
| -T52c- (C) | 24 | Vacant |
| -T52c- (C) | 25 | Right fog light output signal |
| -T52c- (C) | 26 | Front left side light output signal |
| -T52c- (C) | 27 | Registration plate lights output signal |
| -T52c- (C) | 28 | Right reversing light signal output |
| -T52c- (C) | 29 | Vacant |
| -T52c- (C) | 30 | Selector position P/N (automatic gearbox) input signal |
| -T52c- (C) | 31 | Ignition/starter switch output signal (15) |
| -T52c- (C) | 32 | Generator input signal |
| -T52c- (C) | 33 | Vacant |
| -T52c- (C) | 34 | Vacant |
| -T52c- (C) | 35 | Instrument illumination switch input signal |
| -T52c- (C) | 36 | Vacant |
| -T52c- (C) | 37 | Vacant |
| -T52c- (C) | 38 | Vacant |
| -T52c- (C) | 39 | Vacant |
| -T52c- (C) | 40 | Vacant |
| -T52c- (C) | 41 | Vacant |
| -T52c- (C) | 42 | Supply input signal (30), right light |
| -T52c- (C) | 43 | Vacant |
| -T52c- (C) | 44 | Vacant |
| -T52c- (C) | 45 | Vacant |
| -T52c- (C) | 46 | Left main beam output signal |
| -T52c- (C) | 47 | Rear fog light output signal |
| -T52c- (C) | 48 | Left xenon headlight output signal |
| -T52c- (C) | 49 | Right xenon headlight output signal |
| -T52c- (C) | 50 | Front right turn signal output signal |
| -T52c- (C) | 51 | Rear left turn signal output signal |
| -T52c- (C) | 52 | Front right dipped beam output signal |