DTC Troubleshooting
DIAGNOSIS PROCEDURE - DTC P0268 INJECTOR 3 HIGH INPUT
| Step |
Action |
Value(s) |
Yes |
No |
| 1 |
Perform an On-Board Diagnostic (OBD) System Check.
Is the system check complete? |
- |
Go to Step 2. |
Go to "ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK ". |
| 2 |
- Turn the ignition switch to LOCK.
- Disconnect the injector connector.
- Disconnect the ECM connector.
- Check for a short to battery in the wire between the injector 3 connector terminal 2 and the ECM connector terminal 81.
Is the problem found? |
- |
Go to Step 3. |
Go to Step 4. |
| 3 |
- Repair the wire or connector terminal between the injector 3 connector terminal 2 and the ECM connector terminal 81.
- Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
- Perform an On-Board Diagnostic (OBD) System Check.
Is the repair complete? |
- |
System OK |
- |
| 4 |
- Turn the ignition switch to LOCK.
- Check for a short to battery in the wire between injector 3 connector terminal 1 and the main relay terminal 87.
Is the problem found? |
- |
Go to Step 5. |
Go to Step 6. |
| 5 |
- Repair the wire or connector terminal between the injector 3 connector terminal 1 and the main relay terminal 87.
- Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
- Perform an On-Board Diagnostic (OBD) System Check.
Is the repair complete? |
- |
System OK |
- |
| 6 |
- Replace the injector 3.
- Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
- Perform an On-Board Diagnostic (OBD) System Check.
Is the repair complete? |
- |
System OK |
Go to Step 7. |
| 7 |
- Turn the ignition switch to LOCK.
- Replace the ECM.
- Perform an On-Board Diagnostic (OBD) System Check.
Is the repair complete? |
- |
System OK |
- |