DTC Troubleshooting
DTC 29 TROUBLESHOOTING
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 | Inspect the 20 A ISU Power Window Fuse E. Is the fuse open? |
- | Go to Step 3. | Go to Step 2. |
| 2 |
Does the resistance measure within the specified value? |
0.8 - 1.2 | Go to Step 5. | Go to Step 4. |
| 3 | Test the motor feed circuits of the driver window motor for a short to ground. Did you find and correct the condition? |
- | Go to Step 9. | Go to Step 6. |
| 4 | Test the motor feed circuits of the driver window motor for an open. Did you find and correct the condition? |
- | Go to Step 10. | Go to Step 6. |
| 5 | Inspect for poor connections at the harness connector of the intelligent switching unit (ISU). Did you find and correct the condition? |
- | Go to Step 10. | Go to Step 7. |
| 6 | Inspect for poor connections at the harness connector of the window motor. Did you find and correct the condition? |
- | Go to Step 10. | Go to Step 8. |
| 7 |
NOTE:
Perform the program procedure for the ISU. Replace the ISU.Did you complete the replacement? |
- | Go to Step 10. | - |
| 8 | Replace the driver window motor. Did you complete the replacement? |
- | Go to Step 10. | - |
| 9 | Replace the 20 A ISU Power Window Fuse E. Did you complete the replacement? |
- | Go to Step 10. | - |
| 10 |
Does the DTC reset? |
- | Go to Step 1. | System OK |