DTC Troubleshooting
DTC TROUBLESHOOTING REFERENCE
| 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 Ω | 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 |