Lumbar Support Inoperative w/o A45
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: This table diagnoses inoperative lumbar support (AL2) in the left and the right seat. Perform the diagnosis if the lumbar support does not move in any direction. | ||||
1 | Did you perform the Lumbar Support System Check? | -- | Go to Step 2 | |
2 | Use a test lamp in order to backprobe the lumbar switch connector from cavity E (ORN) to ground. Does the test lamp light? | -- | Go to Step 3 | Go to Step 6 |
3 | Inspect for an open in CKT 742 (RED) between S311 and 352. Refer to Testing for Continuity in Wiring Systems. Is the circuit OK? | -- | Go to Step 4 | Go to Step 7 |
4 | Inspect for an open in CKT 850 (BLK) between S313 and 351. Refer to Testing for Continuity in Wiring Systems. Is the circuit OK? | -- | Go to Step 5 | Go to Step 7 |
5 | Replace the lumbar switch. Is the repair complete? | -- | -- | |
6 | Repair the open in CKT 1840 (ORN) between S330 and the lumbar switch. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
7 | Repair the suspect wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
Lumbar Support Inoperative w/ A45
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: This table diagnoses concerns with the lumbar support (AL2) in the left seat equipped with the memory function (A45). The diagnosis does not cover the left seat without the memory function (A43) or the right seat. For diagnosis of the lumbar support in the left seat without A45 or the right seat, refer to Lumbar Support System Check . | ||||
1 | Did you perform the Lumbar Support System Check? | -- | Go to Step 2 | |
2 |
Is the voltage within the specified range? | 10-15 V | Go to Step 3 | Go to Step 5 |
3 |
Is the voltage within the specified range? | 10-15 V | Go to Step 4 | Go to Step 6 |
4 | Replace the left lumbar switch. Is the repair complete? | -- | -- | |
5 | Repair the open in CKT 850 (BLK) between S351 and the MSM. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
6 | Repair the open in CKT 850 (BLK) between S351 and the left lumbar switch. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
