Mirrors Compass Display Inoperative or Inaccurate
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Mirrors Compass Display Inoperative or Inaccurate
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Inside Rearview Mirror Schematics Connector End View Reference: Mirror Connector End Views |
|||
| 1 | Did you review the compass operation of the inside rearview mirror and perform the necessary inspections? | Go to Step 2 | - |
| 2 | Does the automatic day-night feature of the inside rearview mirror operate correctly? | Go to Step 3 | Go to Automatic Day-Night Mirrors Inoperative |
| 3 |
|
Go to Step 4 | Go to Testing for Intermittent Conditions and Poor Connections |
| 4 | Is the compass display totally blank? | Go to Step 8 | Go to Step 5 |
| 5 | Is the letter C or CAL displayed on the mirror? | Go to Step 6 | Go to Step 7 |
| 6 | Perform the compass calibration procedure. Refer to Compass Calibration and Magnetic Variance . Is the compass accurate and operating properly? |
Go to Step 10 | Go to Step 7 |
| 7 | Perform the compass magnetic variation adjustment procedure. Refer to Compass Calibration and Magnetic Variance . Is the compass accurate and operating properly? |
Go to Step 10 | Go to Step 8 |
| 8 | Inspect for a poor connection at the harness connector of the inside rearview mirror. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
Go to Step 10 | Go to Step 9 |
| 9 | Replace the inside rearview mirror. Refer to Control Module References
for replacement, setup, and programming and Rearview Mirror Replacement
. Did you complete the replacement? |
Go to Step 10 | - |
| 10 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |