DTC Troubleshooting
DTC Troubleshooting: P2261 (194)
DTC P2261:
Turbocharger Bypass Control Valve Stuck Closed
Special Tools Required
- Vacuum Pump/Gauge, 0-30 inHg Snap-on YA4000A or equivalent, commercially available
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information Initial Inspection and Diagnostic Overview.
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Do TURBOCHARGER BYPASS CONTROL SYSTEM TEST in the INSPECTION MENU with the HDS.
Is the result OK?
YES -
Intermittent failure, the system is OK at this time.
NO -
Go to step 4.
4. Select TURBOCHARGER BYPASS CONTROL SOLENOID VALVE ON in the INSPECTION MENU with the HDS.
Do you hear the solenoid operating?
YES -
Go to step 5.
NO -
Go to step 9.
5. Turn the ignition switch to LOCK (0).
6. Check for clogging at the air bypass outlet pipe Service and Repair.
Is the pipe OK?
YES -
Go to step 7.
NO -
Repair the pipe, then go to step 10.
7. Disconnect the vacuum/pressure hose (A) from the turbocharger bypass control valve (B), then connect the vacuum pump/gauge, 0-30 inHg, as shown.
8. Start the engine. Hold the engine speed at 3,000 rpm without load (in P or N) until the radiator fan comes on, then let it idle.
Is there vacuum?
YES -
Inspect the turbocharger bypass control valve Testing and Inspection.
NO -
Go to step 9.
9. Replace the turbocharger bypass control solenoid valve Service and Repair.
10. Turn the ignition switch to ON(II).
11. Reset the PCM with the HDS.
12. Do the PCM idle learn procedure PCM Idle Learn Procedure.
13. Test-drive under these conditions:
- Engine speed above 4,500 rpm
- Accelerate with the throttle fully open, then decelerate with the throttle fully closed at least 3 seconds
14. Check for Pending or Confirmed DTCs with the HDS.
Is DTC P2261 indicated?
YES -
Check the turbocharger bypass control solenoid valve and its connecting hose, then go to step 1.
NO -
Troubleshooting is complete. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.