Procedure
ProcedureA. PERFORM QUICK TEST AND CHECK BACKRESTS AND SEAT CUSHIONS FOR BUBBLES
Note - Prior to starting the procedure ensure to:
^ Use DAS version 06/2007 with Add On 0760 or higher with all associated patches
^ Follow the steps exactly as described in DAS
^ Connect battery charger
1. Visually inspect backrests and seat cushions for bubble formation (Figure 1).
Note:
If bubbles are present, replace the affected air cushion insert.
2. Connect Star Diagnosis.
3. Read out and erase fault memory.
4. Read out fault codes in DS-LF, DS-RF, DSP, MKL-HL, and MKL-HR.
5. Perform one of the following, depending on fault codes read out in previous step:
^ If fault code 9210 appears: Perform Procedures D and I.'
^ If fault code 9211 appears: Perform Procedures E and I.
Note:
The following fault codes may only be present on seats equipped with the massage function.
^ If fault code 9202 appears: Perform Procedures F and I.
^ If fault code 9250 or 9251 appears: Perform Procedure B.
^ If no fault codes or bubble formations appear: Perform Procedure I.
Note:
^ Ignore the following fault codes; they register the automatic shutoff of the pneumatic pump.
^ Fault code 9306, Control unit dynamic seat pump is switched off due to a fault." Fault code 9307, Control unit dynamic seat pump is not activated."
B. CHECK SYSTEM FOR LEAKS (FRONT SEATS)
1. Remove seatback lining (A, Figure 2) from backrest of left front seat.
^ Detach two bolts (B) at bottom and pull seatback lining downwards.
2. Disconnect feed line and close off with stop plug (part # A 124 805 02 44) as shown in Figure 3.
3. Perform leak test.
^ Follow the DAS menu Pump control unit-> Complete list of guided tests-> Check entire system for leaks."
4. Perform one of the following, depending on results of leak test in previous step:
^ If no pressure loss is detected: Perform Procedures G and H.
^ If pressure loss is detected: Repeat procedure on right seat.
Note:
If no malfunctioning padding was discovered during the test of the front seats, Procedure C must be performed on the rear seats.
C. CHECK SYSTEM FOR LEAKS (REAR SEATS)
1. Remove left rear seat backrest; refer to WIS document AR91.12-P-1620SX.
2. Disconnect feed line and close off with stop plug (part # A 124 805 02 44) as shown in Figure 4.
3. Perform leak test.
^ Follow the DAS menu Pump control unit-> Complete list of guided tests-> Check entire system for leaks."
4. Perform one of the following, depending on results of leak test in previous step:
^ If no pressure loss is detected: Perform Procedures G and H.
^ If pressure loss is detected: Repeat procedure on right rear seat.
D. REPLACE BACKREST AIR CUSHION INSERT (FRONT AND REAR SEATS)
1. Remove cover of affected seat backrest; refer to one of the WIS documents shown above.
2. Replace air cushion insert in affected multicontour seat backrest.
Note:
^ Rear seats: In the event of malfunctioning parts in the rear backrest, the complete padding of the rear backrest must be replaced.
^ Front seats: Ensure that the air cushion inserts for the massage functions are securely integrated into the front seat backrest padding. The multicontour/dynamic function is implemented by a separate air cushion insert located under the backrest padding, and can be replaced separately.
3. Reinstall backrest cover; refer to appropriate WIS document from step 1.
4. Proceed to Procedure I.
E. REPLACE FRONT SEAT CUSHION INSERT
1. Remove cover of affected front seat cushion; refer to one of the following WIS documents:
^ Front seat cushion cover (Model 216): AR91.18-P-1800SC.
^ Front seat cushion cover (Model 221): AR91.18-P-1800SX.
2. Replace seat cushion insert in affected multicontour seat.
3. Reinstall seat cushion cover; refer to appropriate WIS document from step 1.
4. Proceed to Procedure I.
F. REPLACE BACKREST MASSAGE INSERT (FRONT AND REAR SEATS)
1. Remove cover of affected seat backrest; refer to one of the following WIS documents:
^ Front seat backrest cover (Model 216): AR91.18-P-1820SC.
^ Front seat backrest cover (Model 221): AR91.18-P-1820SX.
^ Rear seat backrest cover (Model 221): AR91.12-P-1620SX.
2. Replace air cushion insert in affected multicontour seat backrest.
Note:
In the event of faulty parts in the front and/or rear backrest(s), the complete padding of the affected backrest(s) must be replaced.
3. Reinstall backrest cover; refer to appropriate WIS document from step 1.
4. Proceed to Procedure I.
G. REPLACE FRONT SEAT BACKREST MASSAGE INSERT
1. Remove cover of affected front seat backrest; refer to one of the following WIS documents:
^ Front seat backrest cover (Model 216): AR91.18-P-1820SC.
^ Front seat backrest cover (Model 221): AR91.18-P-1820SX.
2. Replace air cushion insert in affected multicontour seat backrest.
3. Reinstall backrest cover; refer to appropriate WIS document from step 1.
4. Proceed to Procedure I.
H. REPLACE REAR SEAT BACKREST MASSAGE INSERT
1. Remove cover of affected rear seat backrest; refer to WIS document AR91.12-P-1620SX.
2. Replace air cushion insert in affected multicontour seat backrest.
3. Reinstall backrest cover; refer to WIS document AR91.12-P-1620SX.
4. Proceed to Procedure I.
I. INSTALL SOFTWARE FOR ALL MULTICONTOUR/DYNAMIC SEATS AND DYNAMIC PUMP
1. Connect Star Diagnosis
2. Install software for dynamic and/or multicontour (front and rear) seat control modules and dynamic pump.
^ Follow DAS path Control units/Seats and doors" and select the appropriate control module.
^ Select Control unit adaptations/Control unit programming."
Note:
If the "No newer control module software was found" message appears when attempting to flash the control modules, proceed to step 3.
3. Disconnect Star Diagnosis and battery charger.