Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Head Up Display Schematics | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Do all segments of the head-up display illuminate for 3.5 seconds? | 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 HUD clock circuit for a short to ground, or an open at the instrument panel cluster (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 HUD 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 HUD 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 HUD 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 HUD 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 HUD 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 HUD 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 HUD 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 HUD 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 HUD 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 HUD. 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 HUD 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 HUD. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you find and correct the condition? | Go to Step 18 | Go to Step 17 |
17 | Replace the IPC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. 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 |
