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14.1 Heated Seats (HS)   >   12 Diagnosis - Complaint Related Diagnostic Chart

Complaint/Problem Possible cause Remedy/Test step1) Entire seat heating system does not work. Seat heat control module (N25/5) voltage supply 23 1.0 Left front seat cushion and backrest heating does not operate Seat heat control module (N25/5) voltage supply, Left front seat heater switch (S51/1), Left front seat cushion heating element (R13/1) and left front backrest heating element (R13/2) 23 1.0 23 2.0 23 3.0 Right front seat cushion and backrest heating does not operate Seat heat control module (N25/5) voltage supply, Right front seat heater switch (S51/2), Right front seat cushion heating element (R13/3) and right front backrest heating element (R13/4) 23 1.0 23 7.0 23 4.0 Indicator lamp in left front seat heater switch (S51/1) or right front seat heater switch (S51/2) not operating. Seat heater operates. S51/1 indicator lamps S51/2 indicator lamps 23 5.0 23 8.0 Illumination of left front seat heater switch (S51/1) or right front seat heater switch (S51/2) not functioning. S51/1 illumination S51/2 illumination 23 6.0 23 9.0 1) Observe Preparation for Test, see 22.