Front Window Defogger is Inoperative, OSRV Mirror Defogger is OK
FRONT WINDOW DEFOGGER IS INOPERATIVE, OSRV MIRROR DEFOGGER IS OK DIAGNOSTIC PROCEDURE
| Step | Action | Value (s) | Yes | No |
|---|---|---|---|---|
| 1 | Check the fuse Ef33. Is the fuse blown? |
- | Go to Step 2 | Go to Step 3 |
| 2 |
Is the repair complete? |
- | System OK | - |
| 3 | Use a voltmeter to check voltage at Ef33. Does the voltmeter indicator the specified value? |
11 - 14 V | Go to Step 5 | Go to Step 4 |
| 4 | Repair the open power supply circuit to fuse Ef33. Is the repair complete? |
- | System OK | - |
| 5 | Check the front defogger relay. Is the relay work normally? |
- | Go to Step 7 | Go to Step 6 |
| 6 | Replace the front defogger relay. Is the repair complete? |
- | System OK | - |
| 7 | Check the open circuit between front defogger relay and fuse F18 and repair it, if necessary. Does the repair complete? |
- | System OK | - |
| 8 | Check the open circuit between front defogger relay and ground and repair it, if necessary. Does the repair complete? |
- | System OK | - |
| 9 | Check the open circuit between front defogger relay and fuse Ef33 and repair it, if necessary. Does the repair complete? |
- | System OK | - |
| 10 | Check the open circuit between front defogger relay and front window defogger and repair it, if necessary. Does the repair complete? |
- | System OK | - |
| 11 | Check the open circuit between front window defogger and ground, if necessary. Does the repair complete? |
- | System OK | - |