Front heated seats (HS) diagnosis troubleshooting · ad9130p5000gh · Mercedes-Benz WIS

AD91.30-P-5000GH

Front heated seats (HS) diagnosis troubleshooting

16.4.97

MODEL 163 with CODE (873) heated seats, left and right front seat

Front heated seats (HS), diagnosis previous knowledge			AD91.30-P-2000GH
Troubleshooting
Complaint	Possible cause	Notes	Remedy
Left and right front seat Heated seats completely inoperative	Convenience relay (F1k14)		AD72.29-P-6000-22GH
Left front seat Heated seats inoperative on heater stage I	Left front heated seat relay, stage 1 (K59) Left front seat heater switch (S51/1) Left front seat cushion heater element (R13/1) Left front backrest heater element (R13/2)		AD91.30-P-6000-11GH AD91.30-P-6000-09GH AD91.30-P-6000-21GH
Left front seat Heated seats inoperative on heater stage II	Left front heated seat relay, stage 2 (K59/1) Left front seat heater switch (S51/1)		AD91.30-P-6000-12GH AD91.30-P-6000-09GH
Left front seat Left front seat cushion heater element (R13/1) inoperative on heater stage II	Left front seat cushion heater element (R13/1)		AD91.30-P-6000-21GH
Left front seat Left front backrest heater element (R13/2) inoperative on heater stage II.	Left front backrest heater element (R13/2)		AD91.30-P-6000-21GH
Right front seat Heated seats inoperative on heater stage I	Right front heated seat relay, stage I (K59) Right front seat heater switch (S51/2) Right front seat cushion heater element (R13/3) Right front backrest heater element (R13/4)		AD91.30-P-6000-13GH AD91.30-P-6000-10GH AD91.30-P-6000-22GH
Right front seat Heated seats inoperative on heater stage II	Right front heated seat relay, stage II (K59/1) Right front seat heater switch (S52/1)		AD91.30-P-6000-14GH AD91.30-P-6000-10GH
Right front seat Right front seat cushion heater element (R13/3) inoperative on heater stage II	Right front seat cushion heater element (R13/3)		AD91.30-P-6000-22GH
Right front seat Right front backrest heater element (R13/4) inoperative on heater stage II	Right front backrest heater element (R13/4)		AD91.30-P-6000-22GH

Referenced documents

ad7229p600022gh Test of electrical system CF convenience relay
ad9130p2000gh Front heated seats (HS) diagnosis previous knowledge
ad9130p600009gh HS test of electrical system front left seat heater switch
ad9130p600010gh HS test of electrical system front right seat heater switch
ad9130p600011gh HS test of electrical system front left seat heater stage I relay
ad9130p600012gh HS test of electrical system front left seat heater stage II relay
ad9130p600013gh HS test of electrical system front right seat heater stage I relay
ad9130p600014gh HS test of electrical system front right seat heater stage II relay
ad9130p600021gh HS test of electrical system front left seat heated cushion and backrest resistor
ad9130p600022gh HS test of electrical system front right seat heated cushion and backrest resistor