P2263
P2263 TC SYSTEM
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P2263 is displayed with DTC P0237 or P0238, first perform the trouble diagnosis for DTC P0237 or
P0238. P0237.
DTC CONFIRMATION PROCEDURE
1. PERFORM COMPONENT FUNCTION CHECK
Perform component function check. .
NOTE:
Use component function check to check the overall function of the turbocharger system circuit. During this check, a 1st trip DTC might not be confirmed.
Is the inspection result normal?
YES- INSPECTION END
NO- Proceed to .
Component Function Check
1. PERFORM COMPONENT FUNCTION CHECK-I
Check the following:
- Disconnection of air duct or hose between electric throttle control actuator and compressor wheel.
- Exhaust gas leaks of exhaust manifold
- Open stuck of recirculation valve
- Stuck of turbocharger
Is the inspection result normal?
YES- GO TO 2.
NO- Proceed to .
2. PERFORM COMPONENT FUNCTION CHECK-II
1.Turn ignition switch OFF.
2.Disconnect turbocharger boost control solenoid valve harness connector.
3.Disconnect of hose between turbocharger boost control solenoid valve and compressor outlet pipe.
4.Install pressure pump to turbocharger boost control solenoid valve.
5.Check that the rod of the boost control actuator (1) activates when supplying pressure and battery voltage to the turbocharger boost control solenoid valve (2) as per the following conditions.
CAUTION:
Do not supply pressure over 83 kPa (623 mmHg, 24.51 inHg).
Is the inspection result normal?
YES- INSPECTION END
NO- Proceed to .
Diagnosis Procedure
1. CHECK FOR EXHAUST GAS LEAK
1.Start engine and run it at idle.
2.Listen for an exhaust gas leak of exhaust manifold.
Is exhaust gas leak detected?
YES- GO TO 2.
NO- Repair or replace malfunction parts.
2. CHECK FOR INTAKE AIR LEAK
Listen for an intake air leak between electric throttle control actuator and compressor wheel.
Is intake air leak detected?
YES- GO TO 3.
NO- Repair or replace malfunction parts.
3. CHECK RECIRCULATION VALVE
1.Turn ignition switch OFF.
2.Check recirculation valve. Inspection.
Is the inspection result normal?
YES- GO TO 4.
NO- Replace recirculation valve. Exploded View.
4. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY
1.Disconnect turbocharger boost control solenoid valve harness connector.
2.Turn ignition switch ON.
3.Check the voltage between turbocharger boost control solenoid valve harness connector and ground.
Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 5.
5. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1.Turn ignition switch OFF.
2.Disconnect IPDM E/R harness connector.
3.Check the continuity between turbocharger boost control solenoid valve harness connector and IPDM E/R
harness connector.
4.Also check harness for short to ground.
Is the inspection result normal?
YES- Perform the trouble diagnosis for power supply.
NO- Repair or replace error-detected parts.
6. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT
1.Turn ignition switch OFF.
2.Disconnect ECM harness connector.
3.Check the continuity between turbocharger boost control solenoid valve harness connector and ECM harness connector.
4.Also check harness for short to power.
Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace error-detected parts.
7. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE
Check the turbocharger boost control solenoid valve. .
Is the inspection result normal?
YES- GO TO 8.
NO- Replace turbocharger boost control solenoid valve. Exploded View.
8. CHECK BOOST CONTROL ACTUATOR
Check the boost control actuator. Inspection.
Is the inspection result normal?
YES- GO TO 9.
NO- Replace exhaust manifold and turbocharger assembly. Exploded View.
9. CHECK TURBOCHARGER BOOST SENSOR
Check the turbocharger boost sensor. .
Is the inspection result normal?
YES- GO TO 10.
NO- Replace turbocharger boost sensor. Exploded View.
10. CHECK EXHAUST MANIFOLD AND TURBOCHARGER ASSEMBLY
Check the exhaust manifold and turbocharger assembly. Inspection.
Is the inspection result normal?
YES- CHECK INTERMITTENT INCIDENT. Intermittent Incident.
NO- Replace exhaust manifold and turbocharger assembly. Exploded View.
Component Inspection (Turbocharger Boost Control Solenoid Valve)
1. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE
1.Turn ignition switch OFF
2.Disconnect turbocharger boost control solenoid valve harness connector.
3.Disconnect hoses connected to turbocharger boost control solenoid valve.
4.Check air passage continuity of turbocharger boost control solenoid valve as per the following conditions.
Is the inspection result normal?
YES- INSPECTION END
NO- Replace turbocharger boost control solenoid valve. Exploded View.
Component Inspection (Turbocharger Boost Sensor)
1. CHECK TURBOCHARGER BOOST SENSOR
1.Turn ignition switch OFF.
2.Remove turbocharger boost sensor with its harness connector.
3.Install pressure pump (A) to turbocharger boost sensor (1).
CAUTION:
When insert a pressure pump hose to the sensor, be careful to the damage of the sensor housing.
4.Turn ignition switch ON.
5.Check the voltage between ECM harness connector terminals as per the following conditions.
NOTE:
- Always calibrate the pressure pump gauge when using it.
- Inspection should be done at room temperature [10 - 30�C (50 - 86�F)].
Is the inspection result normal?
YES- INSPECTION END
NO- Replace turbocharger boost sensor. Exploded View.