Step | Action | Value(s) | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|---|
DEFINITION: This diagnostic chart should only be used if the compass display is operational. | ||||||||||
1 | Has the Automatic Day-Night Mirrors System Check been performed? | -- | Go to Step 2 | |||||||
2 |
Is the mirror display totally blank? | -- | Go to Step 13 | Go to Step 3 | ||||||
3 | Are the letters OC displayed on mirror? | -- | Go to Step 9 | Go to Step 4 | ||||||
4 | Are the letters SC displayed on mirror? | -- | Go to Step 11 | Go to Step 5 | ||||||
5 |
Are the letters OC displayed? | -- | Go to Step 6 | Go to Step 13 | ||||||
6 |
Are the letters SC displayed? | -- | Go to Step 7 | Go to Step 13 | ||||||
7 | By ending up at this step, it is assumed that the temperature display is operating but the displayed temperature is inaccurate. Refer Automatic Day-Night Mirrors System Check to check accuraccy of temperature sensor. Did you find acceptable temperature/resistance values? | -- | Go to Step 13 | Go to Step 8 | ||||||
8 | Replace the outside air temperature sensor. Refer to Ambient Air Temperature Sensor Replacement . Is the repair complete? | -- | System OK | -- | ||||||
9 | The letters OC stand for Open Circuit or outside temperature is -40° F (-40° C) or lower. Is outside temperature -40° F (-40° C) or lower? | -- | System OK | Go to Step 10 | ||||||
10 | Locate and repair the open in the following:
Is the repair complete? | -- | System OK | -- | ||||||
11 | The Letters SC stand for short circuit or outside temperature is 140° F (60° C) or higher. Is outside temperature 140° F (60° C) or higher? | -- | System OK | Go to Step 12 | ||||||
12 | Locate and repair short to ground in the following:
Is the repair complete? | -- | System OK | -- | ||||||
13 | Replace Automatic Day-Night Mirror assembly. Refer to Inside Rearview Mirror Replacement . Is the repair complete? | -- | System OK | -- |