DTC Troubleshooting
DTC P1840 TROUBLESHOOTING CHART
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| 1 | Perform an On-Board Diagnostic (OBD II) System Check. Is the check completed? |
- | Go to Step 2. | Go to "ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK ". |
| 2 |
Does the EDS 3 change ON/OFF? |
ON/OFF | Go to "DIAGNOSTIC AIDS ". | Go to Step 3. |
| 3 |
Is the voltage within the values shown? |
11 - 14V | Go to Step 4. | Go to Step 5. |
| 4 | Repair the internal line (EDS 3) for a short to power. Is the repair complete? |
- | System OK | - |
| 5 | Replace the EDS 3. Is the replacement complete? |
- | Go to Step 6. | - |
| 6 |
|
- | Go to applicable DTC IDENTIFICATION . | System OK |