On-Board Diagnostic (OBD II) System Check: 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 |
Is the MIL illuminate? |
- | Go to Step 2 | Go to No Malfunction Indicator Lamp |
| 2 |
Does the scan tool display the ECM engine data? |
- | Go to Step 3 | Go to Step 8 |
| 3 |
Does the MIL turn OFF? |
- | Go to Step 4 | Go to Malfunction Indicator Lamp ON Steady |
| 4 | Attempt to start the engine. Does the engine start and continue to run? |
- | Go to Step 5 | Go to Engine Cranks But Will Not Run |
| 5 | Select DISPLAY DTC with the scan tool. Are any Diagnostic Trouble Codes (DTCs) stored? |
- | Go to Step 6 | Go to Step 7 |
| 6 | Check the display for DTCs P0107, P0108, P0113, P0118, P0122, P0123, P0712, P1392. Are two or more of the following DTCs stored? |
- | Go to Multiple ECM Information Sensor DTCs Set | Go to applicable DTC TABLE |
| 7 | Compare the ECM data values displayed on the scan tool to the typical engine scan data values. Are the displayed values normal or close to the typical values? |
- | Go to Step 8 | Go to indicated component system check |
| 8 |
Also check the DLC ignition feed circuit for an open or short to ground, and check the DLC ground circuits for an open. Is a problem found? |
- | Go to Step 9 | Go to Step 10 |
| 9 | Repair the open, short to ground, or short to voltage in the serial data circuit or the DLC ignition feed circuit. Is the repair complete? |
- | System OK | - |
| 10 |
Does the scan tool display ECM engine data? |
- | Go to Step 2 | Go to Step 11 |
| 11 | Replace the ECM. Is the replacement complete? |
- | System OK | - |