Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Outside Rearview Mirror Schematics Connector End View Reference: Master Electrical Component List | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 |
Do the heated mirrors operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Are both heated mirrors inoperative? | Go to Step 4 | Go to Step 10 |
4 |
Did the test lamp illuminate? | Go to Step 5 | Go to Step 15 |
5 |
Does the test lamp illuminate when the switch is depressed? | Go to Step 6 | Go to Step 12 |
6 |
Does the test lamp illuminate when the switch is depressed? | Go to Step 7 | Go to Step 16 |
7 | With a test lamp connected to battery voltage, probe the relay ground circuit at the I/P fuse block. Does the test lamp illuminate? | Go to Step 8 | Go to Step 17 |
8 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 15 |
9 |
Do the heated mirrors operate? | Go to Step 13 | Go to Step 16 |
10 |
Does the test lamp illuminate? | Go to Step 11 | Go to Step 15 |
11 | With the system still active, connect a test lamp between the mirror heating element supply voltage circuit and the mirror ground circuit. Does the test lamp illuminate? | Go to Step 14 | Go to Step 17 |
12 | Inspect for poor connections at the heated mirror switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs. Did you find and correct the condition? | Go to Step 21 | Go to Step 18 |
13 | Inspect for poor connections at the heated mirror relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs. Did you find and correct the condition? | Go to Step 21 | Go to Step 19 |
14 | Inspect for poor connections at the heated mirror glass. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs. Did you find and correct the condition? | Go to Step 21 | Go to Step 20 |
15 | Repair the open or short to ground in the ignition 3 voltage circuit. Refer to Circuit Testing and Wiring Repairs. Did you find and correct the condition? | Go to Step 21 | -- |
16 | Repair the open or short to ground in the mirror heating element supply voltage circuit. Refer to Circuit Testing and Wiring Repairs. Did you find and correct the condition? | Go to Step 21 | -- |
17 | Repair the open in the ground circuit. Refer to Circuit Testing and Wiring Repairs. Did you complete the repair? | Go to Step 21 | -- |
18 | Replace the heated mirror switch. Refer to Accessory Switch Replacement. Did you complete the repair? | Go to Step 21 | -- |
19 | Replace the heated mirror relay. Refer to Relay Replacement. Did you complete the repair? | Go to Step 21 | -- |
20 | Replace the heated mirror glass. Refer to Outside Rearview Mirror Glass Replacement - Upper. Did you complete the repair? | Go to Step 21 | -- |
21 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |