Head Up Display (HUD) Inoperative
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Head Up Display (HUD) Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Head Up Display Schematics | |||
| 1 | Did you perform the IPC Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Instrument Cluster |
| 2 |
|
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Does the HUD display 2 dashes? | Go to Step 4 | Go to Step 5 |
| 4 | Test the head-up display clock circuit for a short to ground, or an open at the IPC. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 6 |
| 5 | Test the head-up display ground circuit for a short to B+, or an open at the IPC. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 8 |
| 6 | Test the head-up display data circuit for an open or a short to ground at the IPC. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 7 |
| 7 | Test the head-up display strobe circuit for an open or a short to ground at the IPC. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 13 |
| 8 | Test the head-up display ignition 1 circuit for a short to ground, or an open at the IPC. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 9 |
| 9 | Test the head-up display dim slider circuit for an open at the IPC. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 10 |
| 10 | Test the head-up display switch ground circuit for an open at the HUD switch. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 11 |
| 11 | Test the head-up display switch dim slider circuit for an open at the HUD switch. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 12 |
| 12 | Test the head-up display switch page circuit for an open at the HUD switch. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 18 | Go to Step 13 |
| 13 | Inspect for poor connections at the harness connector of the head-up display switch and IPC. 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 18 | Go to Step 14 |
| 14 | Inspect for poor connections at the harness connector of the head-up display. 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 18 | Go to Step 15 |
| 15 | Replace the head-up display switch. Refer to Head Up Display Switch Replacement . Did you find and correct the condition? |
Go to Step 18 | Go to Step 16 |
| 16 | Replace the head-up display. Refer to Head Up Display Replacement . Did you find and correct the condition? |
Go to Step 18 | Go to Step 17 |
| 17 | Replace the IPC. Refer to Instrument Panel Cluster (IPC) Replacement . Did you complete the replacement? |
Go to Step 18 | - |
| 18 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |