Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Night Vision Schematics | |||
1 | Did you review the Night Vision Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Does the night vision image brighten when the switch is moved up and dim when the switch is moved down? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the voltage on the DMM change from 2.5-12 volts? | Go to Step 5 | Go to Step 4 |
4 | Test the night vision image dimming signal circuit for an open, a short to voltage, or for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 6 |
5 | Inspect for poor connections at the harness connector of the HUD. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 8 |
6 | Inspect for poor connections at the HUD switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 9 | Go to Step 7 |
7 | Replace the HUD switch. Refer to Head Up Display Switch Replacement . Did you complete the replacement? | Go to Step 9 | -- |
8 | Replace the HUD. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the repair? | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |