Outside Mirrors Automatic Day-Night Feature Inoperative
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.
Outside Mirrors Automatic Day-Night Feature Inoperative
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Outside Rearview Mirror Schematics Connector End View Reference: Mirror Connector End Views |
||||
| 1 | Did you review the operation of the automatic day-night feature of the driver outside rearview mirror and perform the necessary inspections? | - | Go to Step 2 | Go to SYMPTOMS |
| 2 |
|
- | Go to Step 11 | Go to Step 3 |
| 3 |
|
- | Go to Step 4 | Go to Automatic Day-Night Mirrors Inoperative |
| 4 | While shining a bright light into the sensor on the face of the inside rearview mirror, observe the driver outside rearview mirror. Does the driver outside rearview mirror darken? |
0.75-1.5 V | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 5 |
| 5 |
|
0.75-1.5 V | Go to Step 9 | Go to Step 6 |
| 6 | Measure the voltage between the signal circuit of the driver outside rearview mirror element and a good ground. Is the voltage within the specified range? |
0.75-1.5 V | Go to Step 8 | Go to Step 7 |
| 7 | Test the signal circuit of the driver outside rearview mirror element for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find or correct the condition? |
- | Go to Step 14 | Go to Step 10 |
| 8 | Test the low reference circuit of the driver outside rearview mirror element for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find or correct the condition? |
- | Go to Step 14 | Go to Step 10 |
| 9 | Inspect for poor connections at the harness connector of the driver outside rearview mirror. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find or correct the condition? |
- | Go to Step 14 | Go to Step 12 |
| 10 | Inspect for poor connections at the harness connector of the inside rearview mirror. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find or correct the condition? |
- | Go to Step 14 | Go to Step 13 |
| 11 |
IMPORTANT:
A short to voltage in the signal circuit of the driver outside rearview mirror element will cause permanent damage to both the driver outside rearview mirror element and the inside rearview mirror. Repair the short to voltage in the signal circuit of the driver outside rearview mirror element. Refer to Wiring Repairs
.Did you complete the repair? |
- | Go to Step 14 | - |
| 12 | Replace the driver outside rearview mirror. Refer to Mirror Replacement . Did you complete the replacement? |
- | Go to Step 14 | - |
| 13 |
IMPORTANT:
Perform the setup procedure for the inside rearview mirror with compass. Refer to Compass Calibration and Magnetic Variance
. Replace the inside rearview mirror. Refer to Rearview Mirror Replacement .Did you complete the replacement? |
- | Go to Step 14 | - |
| 14 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 2 |