Main Relay Circuit Check: Troubleshooting
TROUBLESHOOTING CHART
| Step | Action | Value (s) | Yes | No |
|---|---|---|---|---|
| 1 |
Is the test light ON at both terminals? |
- | System OK | Go to Step 2. |
| 2 | Check the test light. Is the test light ON at only one terminal? |
- | Go to Step 9. | Go to Step 3. |
| 3 | Check the test light. Is the test light OFF at both terminals? |
- | Go to Step 4. | - |
| 4 |
Is the fuse OK? |
- | Go to Step 5. | Go to Step 10. |
| 5 |
Is the test light ON? |
- | Go to Step 6. | Go to Step 11. |
| 6 | Connect a test light between the main relay connector terminal 85 and battery voltage. Is the test light ON? |
- | Go to Step 7. | Go to Step 12. |
| 7 | Connect a test light between the main relay connector terminal 30 and ground. Is the test light ON? |
- | Go to Step 8. | Go to Step 13. |
| 8 | Check for an open in the wiring between the main relay connector terminal 87 and the engine fuse block terminals for fuses Ef24 and Ef27. Is the problem found? |
- | Go to Step 9. | Go to Step 14. |
| 9 | Repair the open in the wiring between the main relay connector terminal 87 and the engine fuse block terminal(s) for fuses Ef24 and Ef27. Is the repair complete? |
- | System OK | - |
| 10 | Replace the engine fuse block fuse Ef30. Is the repair complete? |
- | System OK | - |
| 11 | Repair the open in the wiring between the main relay connector terminal 86 and the ignition switch. Is the repair complete? |
- | System OK | - |
| 12 | Repair the open in the wiring between the main relay connector terminal 85 and ground. Is the repair complete? |
- | System OK | - |
| 13 | Repair the open in the wiring between the main relay connector terminal 30 and the battery. Is the repair complete? |
- | System OK | - |
| 14 | Replace the main relay. Is the repair complete? |
- | System OK | - |