For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you review the power mirrors operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms
2 | Verify that the rear defogger is operative. Does the rear defogger operate normally? | -- | Go to Step 3 | Go to Defogger System Check
3 | Verify that both heated mirrors are operative. Are both mirrors inoperative? | -- | Go to Step 4 | Go to Step 5
4 |

1. Turn ON the ignition, with the engine OFF.
2. Turn the rear defogger on.
3. Test the control circuit of the rear window defogger relay for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
4. If a short to ground present replace the HEATED MIRROR Fuse after fixing a short to ground.

Did you find and correct the condition?

--

Go to Step 9

Go to Step 6

5 |

1. Turn ON the ignition, with the engine OFF.
2. Turn the rear defogger on.
3. Test the inoperative mirror control circuit of the rear window defogger relay for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

--

Go to Step 9

Go to Step 7

6 | Repair the open in the ground circuit of the LH and RH outside rearview mirrors. Refer to Wiring Repairs . Did you complete the repair? | -- | Go to Step 9 | --
7 | Test the ground circuit of the inoperative mirror for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 9 | Go to Step 8
8 | Replace the inoperative mirror. Refer to Power Mirror Replacement . Did you complete the repair? | -- | Go to Step 9 | --
9 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2