Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the Symptom Diagnostic procedures? | -- | Go to Step 2 | Go to Symptoms |
2 |
Is the resistance within the specified value ? | 1-3 ohms | Go to Step 3 | Go to Step 7 |
3 | Measure the voltage between the inside mirror supply (B+) circuit and the ground circuit. Is the voltage within the range specified? | B+ | Go to Step 4 | Go to Step 8 |
4 |
Is the voltage less than the value specified? | 0.5V | Go to Step 5 | Go to Backup Lamps Always On in Lighting Systems |
5 |
Is the voltage within the specified range? | B+ | Go to Step 6 | Go to Step 9 |
6 |
Does the inside rear view mirror darken? | -- | Go to Step 12 | Go to Step 10 |
7 | Repair the open in the inside mirror ground circuit. Did you complete the repair? | -- | Go to Step 12 | -- |
8 | Repair the open or the short to ground in the inside mirror supply circuit. Did you complete the repair? | -- | Go to Step 12 | -- |
9 | Test the inside mirror reverse input for an open or a short to ground. Did you find and correct the condition? | -- | Go to Step 12 | Go to Backup Lamps Inoperative in Lighting Systems |
10 | Inspect for poor connections at the harness connector of the inside rearview mirror. 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 12 | Go to Step 11 |
11 | Replace the inside rearview mirror. Refer to Inside Rearview Mirror Replacement for service procedure. Did you complete the replacement? | -- | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
