Front seat ventilation diagnosis, troubleshooting · ad9130p5002a · Mercedes-Benz WIS

AD91.30-P-5002A

Front seat ventilation diagnosis, troubleshooting

10.3.99

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

	Electric seat ventilation location of components		GF91.30-P-0002-02A
	Front seat ventilation diagnosis, previous knowledge		AD91.30-P-2002A
	Troubleshooting
Complaint	Possible cause	Note	Remedy
Seat ventilation and heated seats not functioning at all	Front HS and seat ventilation control module (N25/7)	With over- or undervoltage control module switches off its cable output. In addition, with undervoltage switch-off: LEDs on switch flash.	AD91.30-P-6002-09A
Left front seat ventilation not functioning	Left front seat ventilation voltage supply Left front seat ventilation blower regulator (N29/5)		AD91.30-P-6002-01A AD91.30-P-6002-03A
Right front seat ventilation not functioning	Right front seat ventilation voltage supply Right front seat ventilation blower regulator (N29/6)		AD91.30-P-6002-02A AD91.30-P-6002-04A
Left front seat cushion ventilation not functioning	Left front seat cushion ventilation motor group (M18/9)		AD91.30-P-6002-05A
Left front seat backrest ventilation not functioning	Left front backrest ventilation motor group (M18/10)		AD91.30-P-6002-06A
Right front seat cushion ventilation not functioning	Right front seat cushion ventilation motor group (M18/11)		AD91.30-P-6002-07A
Right front seat backrest ventilation not functioning	Right front backrest ventilation motor group (M18/12)		AD91.30-P-6002-08A

ad9130p2002a Front seat ventilation diagnosis, previous knowledge
ad9130p600201a Left front seat ventilation voltage supply, testing electrical system
ad9130p600202a Right front seat ventilation voltage supply, testing electrical system
ad9130p600203a Left front seat ventilation blower regulator, testing electrical system
ad9130p600204a Right front seat ventilation blower regulator, testing electrical system
ad9130p600205a Left front seat cushion ventilation motor group, testing electrical system
ad9130p600206a Left front seat backrest ventilation motor group, testing electrical system
ad9130p600207a Right front seat cushion ventilation motor group, testing electrical system
ad9130p600208a Right front seat backrest ventilation motor group, testing electrical system
ad9130p600209a Front heated seats and seat ventilation control module, testing electrical system
gf9130p000202a Electric seat ventilation, location of components