DTC Troubleshooting
DTC TROUBLESHOOTING CHART
| Step |
Action |
Value (s) |
Yes |
No |
| 1 |
Perform an ON-BOARD DIAGNOSTIC (OBD II) 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 CMP sensor connector.
- Check for a faulty connector or terminals.
Is the problem found? |
- |
Go to Step 4. |
Go to Step 3. |
| 3 |
- Turn the ignition switch to ON.
- Disconnect the ECM connector.
- Inspect the ECM pins and connector for bent or damaged terminals.
- Check the wire between the CMP sensor terminal 2 and ECM connector K32 for an open or short to ground or short to battery voltage.
- Check the wires between the CMP sensor terminal 1 and ECM connector K33 for an open.
Is the problem found? |
- |
Go to Step 4. |
Go to Step 5. |
| 4 |
- Turn the ignition switch to LOCK.
- Repair or replace the wire or the connector.
- Clear any DTCs from the ECM.
- Run the engine.
- Perform the DIAGNOSTIC SYSTEM CHECK
.
Is the repair complete? |
- |
System OK |
- |
| 5 |
- Turn the ignition switch to LOCK.
- Replace the CMP sensor.
- Clear any DTCs from the ECM.
- Run the engine.
- Perform the DIAGNOSTIC SYSTEM CHECK
.
Does DTC P0341 reset? |
- |
System OK |
Go to Step 6. |
| 6 |
- Replace the ECM.
- Run the engine.
- Perform the DIAGNOSTIC SYSTEM CHECK
.
Is the replacement complete? |
- |
Go to Step 7. |
- |
| 7 |
- Using the scan tool, clear the DTCs.
- Start the engine and idle at normal operating temperature.
- Operate the vehicle within the conditions for setting this DTC as specified in the supporting text.
Does the scan tool indicate that this diagnostic run and passed? |
- |
Go to Step 8. |
- |
| 8 |
Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed? |
- |
Go to applicable DTC Table
. |
System OK |