DTC P0244 / P0245 / P0246
Precautions: General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
P0244: Turbocharger / Supercharger Wastegate Solenoid “A” Range / Performance WGV-VSV drive circuit is open. (1 D/C detection logic) |
•WGV-VSV and/or its circuit
•ECM |
|
P0245: Turbocharger / Supercharger Wastegate Solenoid “A” Low WGV-VSV drive circuit is shorted to ground. (1 D/C detection logic) |
|
|
P0246: Turbocharger / Supercharger Wastegate Solenoid “A” High WGV-VSV drive circuit is shorted to power supply. (1 D/C detection logic) |
Circuit Diagram
| [A]: | ECM connector (View: [a]) | B1: | WGV-VSV drive circuit | 2. | To main relay |
| A1: | WGV-VSV power supply circuit | 1. | WGV-VSV | 3. | ECM |
DTC Confirmation Procedure
WARNING:
If you do not select a suitable route and take proper precautions when performing a road test, an accident can occur.
•Select a level road with no traffic to minimize the risk of accident.
•Perform the test extremely carefully.
•Perform the road test with 2 persons, a driver and a tester.
•Perform the test extremely carefully.
•Perform the road test with 2 persons, a driver and a tester.
NOTE:
Check that the following condition is met in this “DTC Confirmation Procedure”.
•Battery voltage > 8.5 V
1)Warm up engine to normal operating temperature.
2)Accelerate vehicle under the following conditions for 10 sec.
•Shift position: 6th gear (M/T model) or D range (A/T model)
•Accelerator pedal: Depressed by a half of completely depressed position
•Engine speed: 3,000 rpm or more
•Accelerator pedal: Depressed by a half of completely depressed position
•Engine speed: 3,000 rpm or more
3)Release accelerator pedal, and keep vehicle coasting for 10 sec. in engine braking condition. (Fuel cut)
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “Engine and Emission Control System Check” performed?
|
Go to Step 2.
|
|
| 2 |
WGV-VSV power supply circuit check
1)With ignition “OFF”, disconnect connector from WGV-VSV.
2)Check for proper terminal connection to WGV-VSV connector.
3)If connections are OK, set ignition “ON”.
4)Check that voltage between “A1” and ground is battery voltage.
Is check result OK?
|
Go to Step 3.
|
Repair or replace defective wire harness.
|
| 3 |
WGV-VSV drive circuit check
1)With ignition “OFF”, disconnect “C01” and “E01” connectors from ECM.
2)Check for proper terminal connection to “C01” and “E01” connectors.
3)If connections are OK, check the following points.
•Resistance of “B1” circuit: less than 1 Ω
•Resistance between “B1” circuit and ground: infinity •Resistance between “A1” circuit terminal and “B1” circuit terminal at WGV-VSV connector: infinity •Voltage of “B1” circuit: approx. 0 V (When ignition is “ON”) Is check result OK?
|
Go to Step 4.
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Repair or replace defective wire harness.
|
| 4 |
WGV-VSV check
1)Check WGV-VSV.
Is check result OK?
|
Replace ECM and recheck DTC.
|
Replace WGV-VSV.
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