Front heated seats (HS), diagnosis, troubleshooting · ad9130p5000b · Mercedes-Benz WIS

AD91.30-P-5000B

Front heated seats (HS), diagnosis, troubleshooting

15.3.99

MODEL 210 as of 1.7.99 with CODE (401a) Front seat ventilation

	Front heated seats (SH), diagnosis, preliminary knowledge		AD91.30-P-2000A
	Front heated seats, location of components		GF91.30-P-0004-01B
	Troubleshooting
Complaint	Possible cause	Notes	Remedy
Seat ventilation and heated seat does not work at all	Power supply to front heated seat (HS) and seat ventilation control module (N25/7)		AD91.30-P-6002-09A
Left front heated seat does not function	Power supply for front heated seat (HS) and seat ventilation control module (N25/7), heating resistors		AD91.30-P-6000-05B AD91.30-P-6000-06A
Right front heated seat does not function	Power supply for front heated seat (HS) and seat ventilation control module (N25/7), heating resistors		AD91.30-P-6000-07B AD91.30-P-6000-08A
LEDs on left front heated seat and seat ventilation switch (N25/7s1)/right front heated seat and seat ventilation switch (N25/7s2) do not illuminate	N25/7s1		AD91.30-P-6000-02B

ad9130p2000a Front heated seats (HS) diagnosis previous knowledge
ad9130p600002b Front HS, test of electrical system, front heated seat control module circuit 58d
ad9130p600005b Front HS, test of electrical system, front left seat heated cushion and front left backrest heated cushion
ad9130p600006a Heater pad for seat at the front left, checking electrical components for the seat heater at the front
ad9130p600007b Front HS, test of electrical system, front right seat heated cushion and front right backrest heated cushion
ad9130p600008a Front HS test of electrical system front right seat heated cushion
ad9130p600209a Front heated seats and seat ventilation control module, testing electrical system
gf9130p000401b Front heated seats, location of components