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System Tests: Notes

SYMPTOM INDEX (LUMBAR SUPPORT & RECLINER)

Symptom Preform Test
None Of The Pneumatic Or Reclining Functions Operate On Either Seat (1)
,
(2)
None Of The Pneumatic Seat Functions Operate On Either Seat But Seat Air Pump Runs Initially And Shuts Off (3)A 
Only One Or Two Pneumatic Seat Functions Do Not Operate (3)B 
Seat Pneumatic Functions Operate Normally On Only One Seat (3)B 
Seat Air Pump Does Not Operate C 
Seat Air Pump Operates In Only DEFLATE Or INFLATE Mode C 
Seat Air Pump Runs Continuously For More Than 20 Seconds On One Or More Seat Functions (4)
One Seat Air Pump Does Not Operate D 
One Or Both Seat Backs Do Not Tilt Forward Or Recline E 
One Seat Recliner Motor Does Not Operate F 
(1) Check 340, (ORN) circuit to terminal G of C301 at Console Seat Switch for an open.

(2) Check connections at Console Seat Switch. If OK, replace Console Seat Switch.

(3) Check pneumatic lines before performing test.

(4) Check for an open or disconnected pneumatic line to the seat bladder for the affected seat functions.

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