Schematic Reference: Head Up Display Schematics

Did you perform the IPC Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

Verify the hazard indicators HUD display are operating properly. Does the system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Turn OFF the ignition.
2. Disconnect the IPC connector.
3. Turn ON the ignition, with the engine OFF.
4. Turn on the hazard switch.
5. Using a test lamp probe the signal circuit of the hazard switch to ground at the IPC. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

Go to Step 4

Go to Step 5

Replace the IPC. Refer to Instrument Cluster Replacement .

Did you complete the replacement?

Go to Step 7

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1. Disconnect the hazard warning switch connector.
2. Test the hazard switch signal circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

Replace the hazard warning switch. Refer to Hazard Warning Switch Replacement in Lighting Systems.

Did you complete the replacement?

Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3