Data Link Connector Diagnosis: Troubleshooting
WARNING: This page is about a different car, the 2008 Suzuki Reno, 2008 Suzuki Forenza, 2007 Suzuki Reno, and 2007 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.
TROUBLESHOOTING CHART
| Step | Action | Value (s) | Yes | No |
|---|---|---|---|---|
| 1 | Perform an ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK . Was the check performed? |
- | Go to Step 2 | Go to On-Board Diagnostic (OBD II) System Check |
| 2 | With a test light connected to the ground, probe the Data Link Connector (DLC) battery feed terminal 16. Is the test light illuminate? |
- | Go to Step 4 | Go to Step 3 |
| 3 | Repair an open or short to ground in the DLC battery feed circuit. Is the repair complete? |
- | Go to Step 4 | - |
| 4 | With a test light connected to the battery, probe the DLC ground terminal 4 and 5. Is the test light illuminate? |
- | Go to Step 6 | Go to Step 5 |
| 5 | Repair an open circuit. Is the repair complete? |
- | Go to Step 6 | - |
| 6 |
Does the scan tool power up? |
- | Go to Step 8 | Go to Step 7 |
| 7 | Check for damages in the terminal of DLC and scan tool, and repair as needed. Is the repair complete? |
- | Go to Step 8 | - |
| 8 | Using a scan tool, request engine data of Engine Control Module (ECM). Does the scan tool display any data? |
- | Go to Step 12 | Go to Step 9 |
| 9 | Install the scan tool on another vehicle and check for proper operation. Does the scan tool work properly on a different vehicle. |
- | Go to Step 11 | Go to Step 10 |
| 10 | The scan tool is malfunctioning. Refer to the scan tool's manual for repair. Is the repair complete? |
- | Go to Step 12 | - |
| 11 | Repair communication circuit between ECM and DLC. Is the repair complete? |
- | Go to Step 12 | - |
| 12 |
Does the engine and continue to run? |
- | Go to Step 13 | Go to Step 2 |
| 13 |
Are any DTCs displayed that have not been diagnosed? |
- | Go to applicable DTC TABLE | System OK |