Lumbar Support Inoperative LH w/A45
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Diagnostic System Check-Power Seat Systems? | -- | Go to Step 2 | |
2 | Check the rear fuse block MEM Fuse for an open. Is MEM Fuse OK? | -- | Go to Step 5 | Go to Step 3 |
3 | Repair the short to ground in the battery positive voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 4 | -- |
4 | Replace MEM Fuse. Refer to Wiring Repairs in Wiring Systems. Did you complete the replacement? | -- | Go to Step 10 | -- |
5 | Measure the voltage from the battery positive circuit to a good ground. Does the voltage measure within the specified range? | 10-15 V | Go to Step 6 | Go to Step 9 |
6 | Did the LH lumbar move when a memory recall function was performed? | -- | Go to Step 7 | Go to Step 8 |
7 | Replace the LH lumbar switch. Refer to Lumbar Switch Replacement . Is the replacement complete? | -- | Go to Step 10 | -- |
8 | Replace the memory seat module (MSM). Refer to Memory Seat Control Module Replacement . Is the replacement complete? | -- | Go to Step 10 | -- |
9 | Repair the open the battery positive circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
