Front / Rear Window and OSRV Mirror Defogger Diagnosis
FRONT WINDOW DEFOGGER IS INOPERATIVE, OSRV MIRROR DEFOGGER IS OK
| 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 | - |
OSRV MIRROR DEFOGGER IS INOPERATIVE, FRONT WINDOW DEFOGGER IS OK
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 | Check the open circuit between fuse F18 and left or right outside rear view mirror and repair it, if necessary. Does the repair complete? |
- | System OK | - |
| 2 | Check the open circuit between left or right outside rear view mirror and ground and repair it, if necessary. Does the repair complete? |
- | System OK | - |
BOTH FRONT WINDOW AND OSRV MIRROR DEFOGGER IS INOPERATIVE
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 | Check the fuse F18. Is the fuse blown? |
- | Go to Step 2. | Go to Step 3. |
| 2 |
Is the repair complete? |
- | System OK | - |
| 3 |
Does the voltmeter indicator the specified value? |
11 - 14 V | Go to Step 4. | Go to Step 5. |
| 4 | Check the poor connection of I/P fuse block and repair it, if necessary. Is the repair complete? |
- | System OK | - |
| 5 | Check the open circuit between fuse F18 and ISU and repair it, if necessary. Does the repair complete? |
- | System OK | - |
| 6 | Check the ISU and replace it, if necessary. Is the repair complete? |
- | System OK | - |
REAR WINDOW DEFOGGER IS INOPERATIVE
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 | Check the open circuit between rear window defogger and ISU and repair it, if necessary. Does the repair complete? |
- | System OK | - |
| 2 | Check the open circuit between rear window defogger and ground and repair it, if necessary. Does the repair complete? |
- | System OK | - |
| 3 | Check the ISU and replace it, if necessary. Is the repair complete? |
- | System OK | - |