Step
| Action
| Value(s)
| Yes
| No
|
1
|
- Disconnect the connector at the multi-function alarm module.
- Connect an unpowered test lamp between the multi-function alarm
module connector, cavity B1 for CKT 1040 (ORN), and ground.
Does the test lamp light?
| --
| Go to
Step 3
| Go to
Step 2
|
2
| Repair the open in CKT 1040 (ORN) between the IP fuse block and
the multi-function alarm module.
Is the multi-function alarm module operative?
| --
| Go to
Audible Warnings System Check
| Go to
Step 3
|
3
| Connect a J 39200
DMM
) between the multi-function alarm module connector, cavity B2 for
CKT 150 (BLK), and ground.
Is continuity present?
| --
| Go to
Step 4
| Go to
Step 5
|
4
| Replace the multi-function alarm module. Refer to
Multifunction Alarm Module Replacement
.
Is the multi-function alarm module operative?
| --
| Go to
Audible Warnings System Check
| --
|
5
| Repair the open in CKT 150 (BLK) between the multi-function
alarm module and ground G201.
Is the multi-function alarm module operative?
| --
| Go to
Audible Warnings System Check
| --
|
Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the Audible Warnings System Check performed?
| --
| Go to
Step 2
| Go to
Audible Warnings System Check
|
2
|
- Disconnect the connector C1 at the multifunction alarm
module.
- Connect an unpowered test lamp between the following components:
| • | The multifunction alarm module connector C1 cavity B1
for the CKT 1040 (ORN) wire |
Did the test lamp light?
| --
| Go to
Step 3
| Go to
Step 4
|
3
| Connect a J 39200
DMM between
the following components:
| • | The multifunction alarm module connector C1 cavity B2
for the CKT 150 (BLK) wire |
Is continuity present?
| --
| Go to
Step 5
| Go to
Step 6
|
4
|
- Locate the open in the CKT 1040 (ORN) wire between
the following components:
| • | The multifunction alarm module |
- Repair the open in the CKT 1040 (ORN) wire between
the following components:
| • | The multifunction alarm module |
Is the repair complete?
| --
| Go to
Audible Warnings System Check
| --
|
5
| Replace
the multifunction alarm module.
Is the repair complete?
| --
| Go to
Audible Warnings System Check
| --
|
6
|
- Locate the open in the CKT 150 (BLK) wire between
the following components:
| • | The multifunction alarm module |
- Repair the open in the CKT 150 (BLK) wire between
the following components:
| • | The multifunction alarm module |
Is the repair complete?
| --
| Go to
Audible Warnings System Check
| --
|