Step | Action | Value(s) | Yes | No | ||||
|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Lighting Systems Diagnostic System Check? | -- | Go to Step 2 | |||||
2 |
Did the test lamp illuminate? | -- | Go to Step 3 | Go to Step 6 | ||||
3 | Connect a test lamp between the power feed circuit of the appropriate door switch lamp bulb and the ground circuit of the appropriate door switch lamp bulb. Did the test lamp illuminate? | -- | Go to Step 4 | Go to Step 7 | ||||
4 | Inspect for poor connections at the appropriate door switch lamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 5 | ||||
5 | Replace the appropriate door switch. Refer to appropriate procedure:
Did you complete the replacement? | -- | Go to Step 10 | -- | ||||
6 | Test for high resistance or an open in the power feed circuit of the appropriate door switch lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 8 | ||||
7 | Test for high resistance or an open in the ground circuit of the appropriate door switch lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 10 | Go to Step 8 | ||||
8 | Inspect for poor connections at the appropriate door module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 10 | Go to Step 9 | ||||
9 | Replace the appropriate door module. Refer to Door Control Module Replacement in Doors. Did you complete the replacement? | -- | Go to Step 10 | -- | ||||
10 | Operate the system in order to verify the repair. Did you find and correct the condition? | -- | System OK | Go to Step 2 |
