Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | Has the Lumbar Support System Check been performed?  | --  | Go to Step 2  | |
2  | 
 Is there battery voltage?  | --  | Go to Step 3  | Go to Step 9  | 
3  | 
 Is there battery voltage?  | --  | Go to Step 4  | Go to Step 10  | 
4  | 
 Is there battery voltage?  | --  | Go to Step 5  | Go to Step 10  | 
5  | 
 Is there continuity?  | --  | Go to Step 6  | Go to Step 11  | 
6  | 
 Is there battery voltage?  | --  | Go to Step 7  | Go to Step 12  | 
7  | 
 Is there battery voltage?  | --  | Go to Step 8  | Go to Step 13  | 
8  | Replace the lumbar support motor and solenoid assembly. Refer to Lumbar Pump Replacement . Is the repair complete?  | --  | --  | |
9  | Repair open in CKT 640 (ORN), w/o heated seats, or CKT 540 (ORN), w/heated seats between lumbar support switch and I/P fuse block. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | --  | |
10  | Replace the lumbar support switch. Refer to Lumbar Switch Replacement . Is the repair complete?  | --  | --  | |
11  | Repair open in CKT 150 (BLK) between the lumbar support motor and solenoid assembly and G202. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | --  | |
12  | Repair open in CKT 767 (RED) between lumbar support switch and lumbar support motor and solenoid assembly. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | --  | |
13  | Repair open in CKT 768 (GRY) between lumbar support switch and lumbar support motor and solenoid assembly. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | --  |