Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
Schematic Reference Outside Rearview Mirror Schematics | ||||
1 | Did you perform the Diagnostic System Check? | -- | Go to Step 2 | |
2 | Verify the fault is present. Does the system operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Depress the rear defogger switch once. Does the rear defogger system operate? | -- | Go to Step 4 | |
4 | Inspect the HTD MIR fuse in the engine wiring harness junction block to see if it is open. Is the HTD MIR fuse open? | -- | Go to Step 5 | Go to Step 6 |
5 | Test the output circuit of the RR Defog relay for a short to ground. Refer to Circuit Testing and Wiring Repairs in wiring systems. Did you find and repair a short to ground in the circuit? | -- | Go to Step 10 | Go to Step 7 |
6 | Test for a loose connection or an open in the output circuit of the RR Defog relay. Refer to Circuit Testing and Wiring Repairs in wiring systems. Did you find and repair a loose connection or an open in the circuit? | -- | Go to Step 10 | Go to Heated Mirrors Inoperative - Left Side or Heated Mirrors Inoperative - Right Side |
7 | 1. Disconnect the RH heated mirror. 2.Install a new fuse in the circuit. 3. operate the rear defog switch. Does the system operate? | -- | Go to Step 8 | Go to Step 9 |
8 | Replace the RH heated mirror. Refer to Outside Rearview Mirror Replacement . Is the repir complete? | -- | Go to Step 10 | -- |
9 | Replace the LH heated mirror. Refer to Outside Rearview Mirror Replacement . Is the repir complete? | -- | 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 |