Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you perform the Audible Warnings System Check? | -- | Go to Step 2 | |
2 |
Does the measured voltage match the specified value? | 12 V | Go to Step 4 | Go to Step 3 |
3 | Inspect CKT 640 (ORN) for an open. Is the wiring OK? | -- | Go to Step 10 | |
4 |
Does the measured voltage match the specified value? | 12 V | Go to Step 6 | Go to Step 5 |
5 | Inspect CKT 540 (ORN/BLK) for an open or a short to ground. Is the wiring OK? | -- | Go to Step 15 | |
6 |
Does the measured voltage match the specified value? | 12 V | Go to Step 8 | Go to Step 7 |
7 | Inspect CKT 1450 (BLK) for an open. Is the circuit OK? | -- | Go to Step 18 | |
8 |
Does the measured voltage match the specified value? | 12 V | Go to Step 11 | Go to Step 9 |
9 | Inspect CKT 39 (PNK) for an open or a short to ground. Is the wiring OK? | -- | Go to Step 20 | Go to Step 19 |
10 | Repair the open in CKT 640 (ORN). Is the repair complete? | -- | Go to Step 13 | |
11 | Inspect the MALL module connectors for proper terminal contact. Is the contact OK? | -- | Go to Step 12 | -- |
12 | Replace the MALL module. Refer to Multifunction Alarm Module Replacement. Is the replacement complete? | -- | -- | |
13 | Inspect fuse 6A in the IP fuse block for an open. Is the fuse OK? | -- | Go to Step 14 | |
14 | Replace open fuse 6A in the IP fuse block. Is the replacement complete? | -- | -- | |
15 | Repair the open or short to ground in CKT 540 (ORN/BLK). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | Go to Step 16 | |
16 | Inspect fuse 1 in the right fuse block for an open. Is the fuse open? | -- | Go to Step 17 | |
17 | Replace fuse 1 in the right fuse block. Is the replacement complete? | -- | -- | |
18 | Repair the open in CKT 1450 (BLK). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | -- | |
19 | Repair the open or the short to ground in CKT 39 (PNK). Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | -- | |
20 | Inspect fuse 1D in the IP fuse block. Is the fuse OK? | -- | Go to Step 21 | |
21 | Replace fuse 1D in the IP fuse block. Is the replacement complete? | -- | -- |