Step  | Action  | Values  | Yes  | No  | 
|---|---|---|---|---|
1  | Inspect the chime module connector to make sure it is connected properly. Is the connector disconnected or partially disconnected?  | --  | Go to Step 2  | Go to Step 3  | 
2  | Connect the electrical connector for the chime module. Is the repair complete?  | --  | System OK  | --  | 
3  | Inspect fuse F4. Is fuse F4 open?  | --  | Go to Step 4  | Go to Step 5  | 
4  | 
 Is the repair complete?  | --  | System OK  | --  | 
5  | 
 Is the specified voltage available at fuse F4?  | 11-14 V  | Go to Step 7  | Go to Step 6  | 
6  | Repair the power supply circuit for fuse F4. Is the repair complete?  | --  | System OK  | --  | 
7  | 
 Does the voltage equal the specified value?  | 11-14 V  | Go to Step 9  | Go to Step 8  | 
8  | Repair the open circuit between fuse F4 and the chime module connector. Is the repair complete?  | --  | System OK  | --  | 
9  | With the chime module disconnected, use an ohmmeter to check the continuity between terminal 5 of the chime module connector and ground. Does the ohmmeter indicate the specified value?  | 0 ohms  | Go to Step 11  | Go to Step 10  | 
10  | Repair the open circuit between terminal 5 of the chime module connector and ground. Is the repair complete?  | --  | System OK  | --  | 
11  | 
 Does the ohmmeter indicate the specified value?  | 0 ohms  | Go to Step 12  | Go to Step 13  | 
12  | Replace the chime module. Is the repair complete?  | --  | System OK  | --  | 
13  | 
 Does the ohmmeter indicate the specified value?  | 0 ohms  | Go to Step 15  | Go to Step 14  | 
14  | Repair the open circuit between the door contact switch and terminal 4 of the chime module. Is the repair complete?  | --  | System OK  | --  | 
15  | Replace the door contact switch. Is the repair complete?  | --  | System OK  | --  |