| -T18i- (A) | Designation | -T26k- (B) | Designation |
| 1 | | 1 | |
| 2 | | 2 | Front parking aid warning buzzer -H22- (+) |
| 3 | Front centre left parking aid sender -G254- , signal | 3 | Park assist steering button -E581- |
| 4 | Front right parking aid sender -G252- , signal | 4 | Warning light for park assist steering -K241- |
| 5 | | 5 | |
| 6 | | 6 | Rear left parking aid sender -G203- , signal |
| 7 | | 7 | Rear centre right parking aid sender -G205- , signal |
| 8 | | 8 | Rear right park assist steering sender -G717- , signal |
| 9 | | 9 | Rear parking aid warning buzzer -H15- (-) |
| 10 | Front right parking aid sender -G252- (GND) Front centre right parking aid sender -G253- (GND) Front centre left parking aid sender -G254- (GND) Front left parking aid sender -G255- (GND) | 10 | Front parking aid warning buzzer -H22- (-) |
| 11 | Front left parking aid sender -G255- , signal | 11 | |
| 12 | Front centre right parking aid sender -G253- , signal | 12 | |
| 13 | | 13 | Terminal 31 |
| 14 | Front right parking aid sender -G252- (U+) Front centre right parking aid sender -G253- (U+) Front centre left parking aid sender -G254- (U+) Front left parking aid sender -G255- (U+) | 14 | Terminal 15 |
| 15 | | 15 | Rear parking aid warning buzzer -H15- (+) |
| 16 | | 16 | Parking aid button -E266- |
| 17 | | 17 | Parking aid warning lamp -K136- |
| 18 | | 18 | Rear left parking aid sender -G203- (U+) Rear centre left parking aid sender -G204- (U+) Rear centre right parking aid sender -G205- (U+)
Rear right parking aid sender -G206- (U+)
|
| | | 19 | |
| | | 20 | Rear centre left parking aid sender -G204- , signal |
| | | 21 | Rear right parking aid sender -G206- , signal |
| | | 22 | Rear left parking aid sender -G203- (GND) Rear centre left parking aid sender -G204- (GND) Rear centre right parking aid sender -G205- (GND)
Rear right parking aid sender -G206- (GND) |
| | | 23 | B390 Connection 1 (powertrain CAN bus, low), in main wiring harness |
| | | 24 | B383 Connection 1 (powertrain CAN bus, high), in main wiring harness |
| | | 25 | |
| | | 26 | |
| -T18i- (A) | Designation | -T26k- (B) | Designation |
| 1 | | 1 | |
| 2 | Front left sender for park assist steering on left side of vehicle -G568- , signal | 2 | Front parking aid warning buzzer -H22- (+) |
| 3 | Front centre left parking aid sender -G254- , signal | 3 | Park assist steering button -E581- |
| 4 | Front right parking aid sender -G252- , signal | 4 | Warning light for park assist steering -K241- |
| 5 | | 5 | |
| 6 | | 6 | Rear left parking aid sender -G203- , signal |
| 7 | | 7 | Rear centre right parking aid sender -G205- , signal |
| 8 | | 8 | Rear right park assist steering sender -G717- , signal |
| 9 | | 9 | Rear parking aid warning buzzer -H15- (-) |
| 10 | Front right parking aid sender -G252- (GND) Front centre right parking aid sender -G253- (GND) Front centre left parking aid sender -G254- (GND) Front left parking aid sender -G255- (GND) Front left sender for park assist steering on left side of vehicle -G568- (GND) Front right sender for park assist steering on right side of vehicle -G569- (GND) | 10 | Front parking aid warning buzzer -H22- (-) |
| 11 | Front left parking aid sender -G255- , signal | 11 | |
| 12 | Front centre right parking aid sender -G253- , signal | 12 | |
| 13 | Front right sender for park assist steering on right side of vehicle -G569- , signal | 13 | Terminal 31 |
| 14 | Front right parking aid sender -G252- (U+) Front centre right parking aid sender -G253- (U+) Front centre left parking aid sender -G254- (U+) Front left parking aid sender -G255- (U+) Front left sender for park assist steering on left side of vehicle -G568- (U+) Front right sender for park assist steering on right side of vehicle -G569- (U+) | 14 | Terminal 15 |
| 15 | | 15 | Rear parking aid warning buzzer -H15- (+) |
| 16 | | 16 | Parking aid button -E266- |
| 17 | | 17 | Parking aid warning lamp -K136- |
| 18 | | 18 | Rear left parking aid sender -G203- (U+) Rear centre left parking aid sender -G204- (U+) Rear centre right parking aid sender -G205- (U+)
Rear right parking aid sender -G206- (U+) Rear left park assist steering sender -G716- (U+) Rear right park assist steering sender -G717- (U+)
|
| | | 19 | Rear left park assist steering sender -G716- , signal |
| | | 20 | Rear centre left parking aid sender -G204- , signal |
| | | 21 | Rear right parking aid sender -G206- , signal |
| | | 22 | Rear left parking aid sender -G203- (GND) Rear centre left parking aid sender -G204- (GND) Rear centre right parking aid sender -G205- (GND)
Rear right parking aid sender -G206- (GND) Rear left park assist steering sender -G716- (GND) Rear right park assist steering sender -G717- (GND)
|
| | | 23 | B390 Connection 1 (powertrain CAN bus, low), in main wiring harness |
| | | 24 | B383 Connection 1 (powertrain CAN bus, high), in main wiring harness |
| | | 25 | |
| | | 26 | |