Note
When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
Tech Tips
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptom are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | Link |
|---|---|---|
| Headup display is not displayed | Fuse (ECU-DCC NO. 2, ECU-IG1 NO. 4) | - |
| Wire harness or connector | - | |
| Headup display switch (No. 2 combination switch assembly) circuit | ||
| Combination meter mirror ECU | ||
| Combination display | ||
| Brightness of the headup display does not change | Perform Active Test (Display Brightness) | |
| Read the Data List (Brightness Up Switch (Meter), Brightness Down Switch (Meter)) | ||
| Combination meter mirror ECU | ||
| Combination display | ||
| Combination meter assembly (Meter circuit plate) | ||
| Headup display is not displayed in the correct position | Perform Active Test (Display Position) | |
| Read the Data List (Projection Position Up Switch (Meter), Projection Position Down Switch (Meter)) | ||
| Combination meter mirror ECU | ||
| Combination meter wire | ||
| No. 2 combination meter mirror | ||
| Combination meter assembly (Meter circuit plate) | ||
| Other headup display malfunction (Other systems are normal) | Combination meter mirror ECU |