For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
Schematic Reference: Outside Rearview Mirror Schematics
1 | Did you review the Heated Mirror Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Doors
2 |

1. Turn ON the ignition, with the engine OFF.
2. Depress the heated mirror switch.

Do the heated mirrors operate normally?

Go to Step 3

Go to Heated Mirrors Inoperative

3 | Does the heated mirror indicator illuminate? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 4
4 |

1. Disconnect the heated mirror switch.
2. Turn ON the ignition, with the engine OFF.
3. Connect a test lamp between the mirror heating element supply voltage circuit (cavity 3) at the heated mirror switch harness connector and a good ground.

Did the test lamp illuminate?

Go to Step 5

Go to Step 7

5 | Connect a test lamp between the heated mirror switch ground circuit at the heated mirror switch harness connector and B+. Did the test lamp illuminate? | Go to Step 6 | Go to Step 8
6 | Inspect for poor connections at the heated mirror switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9
7 | Repair the open the mirror heating element supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | --
8 | Repair the open in the heated mirror switch ground circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 10 | --
9 | Replace the heated mirror switch. Did you complete the repair? | 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