For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Power Mirror Switch System Check? | -- | Go to Step 2 | Go to Outside Mirrors System Check
2 |

1. Disconnect the outside rearview mirror switch connector.
2. Using a test lamp, front probe cavity 9 to ground.

Does the test lamp illuminate?

--

Go to Step 3

Go to Step 5

3 | Test for an open using a J 39200 DMM in the GRY wire. Does the wire have an open? | -- | Go to Step 4 | Go to Step 7
4 | Repair the open in the GRY wire between the connector and junction block 3. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Outside Mirrors System Check | --
5 | Test the BRN/RED wire using a J 39200 DMM between the outside rearview mirror switch and SP257 for an open. Does the wire have an open? | -- | Go to Step 6 | Go to Step 9
6 | Repair the open in the BRN/RED wire or in the SP257. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Outside Mirrors System Check | --
7 | Test the WHT/BLK wire using a J 39200 DMM between the outside rearview mirror switch and SP256 for an open. Does the wire have an open? | -- | Go to Step 8 | Go to Step 9
8 | Repair the open in the WHT/BLK wire between the connector and junction block 3. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Outside Mirrors System Check | --
9 | Replace the outside rearview mirror switch. Refer to Power Mirror Switch Replacement . Is the repair complete? | -- | Go to Outside Mirrors System Check | --