Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: This table diagnoses the lumbar support, up down inoperative (option AL2) in the right seat. | ||||
1 | Did you perform the Lumbar Support System Check? | -- | Go to Step 2 | |
2 | Use a test lamp in order to backprobe the RH lumbar vertical relay connector from cavity C (RED) to ground. Does the test lamp light? | -- | Go to Step 3 | Go to Step 11 |
3 | Use a test lamp in order to backprobe the RH lumbar vertical relay connector from cavity C (RED) to cavity D (BLK). Does the test lamp light? | -- | Go to Step 4 | Go to Step 12 |
4 |
Does the test lamp light? | -- | Go to Step 5 | Go to Step 13 |
5 |
Does the test lamp light? | -- | Go to Step 6 | Go to Step 14 |
6 |
Does the test lamp light? | -- | Go to Step 7 | Go to Step 16 |
7 |
Does the test lamp light? | -- | Go to Step 8 | Go to Step 16 |
8 | Test for an open or short to ground in CKT 793 (PNK) between the RH lumbar vertical relay and the RH lumbar vertical motor. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is the wiring OK? | -- | Go to Step 9 | Go to Step 17 |
9 | Test for an open or short to ground in CKT 792 (ORN) between the RH lumbar vertical relay and the RH lumbar vertical motor. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is the wiring OK? | -- | Go to Step 10 | Go to Step 17 |
10 | Replace the RH lumbar vertical motor. Is the lumbar vertical motor replacement complete? | -- | -- | |
11 | Repair the open in CKT 742 (RED) between splice S356 and the RH lumbar vertical relay. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
12 | Repair the open in CKT 850 (BLK) between splice S357 and the RH lumbar vertical relay. Refer to Wiring Repairs in Wiring Systems. Is the circuit repair complete? | -- | -- | |
13 | Test for an open or short to ground in CKT 756 (RED) between the RH lumbar switch and the RH lumbar vertical relay. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is the wiring OK? | -- | Go to Step 15 | Go to Step 17 |
14 | Test for an open or short to ground in CKT 757 (YEL) between the RH lumbar switch and the RH lumbar vertical relay. Refer to Testing for Continuity or Testing for Short to Ground in Wiring Systems. Is the wiring OK? | -- | Go to Step 15 | Go to Step 17 |
15 | Replace the RH lumbar switch. Refer to Lumbar/Heated Seat Switch Replacement - Power . Is the lumbar switch replacement complete? | -- | -- | |
16 | Replace the RH lumbar vertical relay. Is the lumbar vertical relay replacement complete? | -- | -- | |
17 | Repair the suspect wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
