Night Vision Display Poor Video Image
Night Vision Display Poor Video Image
| 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 | Go to Symptoms - Instrument Panel, Gages and Console |
| 2 |
|
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Does the poor video image occur only in cold conditions with the outside air temperature less than 10°C (50°F)? | Go to Step 12 | Go to Step 4 |
| 4 | Inspect the lens of the night vision camera, the windshield, and the HUD for dirt or for debris. Clean as necessary. Did you find and correct the condition? |
Go to Step 21 | Go to Step 5 |
| 5 | Inspect the lens of the night vision camera for cracks, for scratches, or for chips. Did you find the condition? |
Go to Step 19 | Go to Step 6 |
| 6 | Inspect the night vision camera alignment and adjust if needed. Refer to Night Vision Camera Aiming . Did you find and correct the condition? |
Go to Step 21 | Go to Step 7 |
| 7 |
|
Go to Step 14 | Go to Step 8 |
| 8 | Connect a test lamp between the night vision video high signal circuit at the harness connector of the night vision camera and battery voltage. Does the test lamp illuminate? |
Go to Step 15 | Go to Step 9 |
| 9 |
|
Go to Step 10 | Go to Step 11 |
| 10 | Test the drain wire circuit from the female terminal side of C205 to the end of the drain wire circuit for an open or for a high resistance. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 17 |
| 11 | Test the drain wire circuit from C205 to the HUD connector for an open or for a high resistance. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 16 |
| 12 | Test the ignition 3 voltage circuit of the night vision camera for an open 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 21 | Go to Step 13 |
| 13 | Test the ground circuit at terminal E (first design) or C1 terminal B (second design) of the night vision camera for an open. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 21 | Go to Step 17 |
| 14 | Test the night vision video low signal circuit 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 21 | Go to Step 16 |
| 15 | Test the night vision video high signal circuit 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 21 | Go to Step 16 |
| 16 | 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 21 | Go to Step 18 |
| 17 | Inspect for poor connections at the harness connector of the night vision camera. 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 21 | Go to Step 20 |
| 18 | Replace the HUD. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 21 | - |
| 19 | Replace the night vision camera lens. Refer to Night Vision Camera Protective Window Replacement (Design 2) . Did you complete the replacement? |
Go to Step 21 | - |
| 20 | Replace the night vision camera. Refer to Night Vision Camera Replacement . Did you complete the replacement? |
Go to Step 21 | - |
| 21 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |