Front heated seats (HS) diagnosis operational check - AD91.30-P-3000GH
MODEL 163 with CODE (873) heated seats, left and right front seat
| Location of components | GF91.30-P-3002-01GH | ||
| Heated seats diagnosis previous knowledge | AD91.30-P-2000GH | ||
| a | Fuses in order | ||
| b | Battery voltage 11-14 V | ||
| c | Convenience control active | GF72.29-P-2002GH | |
| Function check | |||
| Test step/Scope of test | Operation/Requirement | Specified value | Possible cause/ Remedy |
| 1 Left front seat Heated seat, heater stage I |
Start engine. Left front seat heater switch (S51/1) Press top half of switch. |
Heater stage 1 indicator lamp in switch (S51/1) comes on. Seat and backrest heat up. |
AD91.30-P-6000-11GH AD91.30-P-6000-09GH AD91.30-P-6000-15GH AD91.30-P-6000-19GH AD91.30-P-6000-21GH |
| 2 Left front seat Heated seat, heater stage II |
Start engine. Left front seat heater switch (S51 /1) Press bottom half of switch. |
Both indicator lamps in switch (S51/1) come on Seat and backrest heat up hotter than on heater stage I. |
AD91.30-P-6000-12GH AD91.30-P-6000-09GH AD91.30-P-6000-16GH AD91.30-P-6000-19GH AD91.30-P-6000-21GH |
| 3 Right front seat Heated seat, heater stage I |
Start engine. Right front seat heater switch (S51/2) Press top half of switch. |
Stage I indicator lamp in switch (S51/2) comes on Seat and backrest heat up. |
AD91.30-P-6000-13GH AD91.30-P-6000-10GH AD91.30-P-6000-17GH AD91.30-P-6000-20GH AD91.30-P-6000-22GH |
| 4 Right front seat Heated seat, heater stage II |
Start engine. Right front seat heater switch (S51/2). Press bottom half of switch. |
Both indicator lamps in switch (S51/2) come on. Seat cushion and backrest heat up hotter than on heater stage I. |
AD91.30-P-6000-14GH AD91.30-P-6000-10GH AD91.30-P-6000-18GH AD91.30-P-6000-20GH AD91.30-P-6000-22GH |