Subaru IMPREZA GD 2007 Series Manual page 154

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DTC
*P0026 Intake Valve Control Solenoid Circuit Range/Performance (Bank 1)
*P0028 Intake Valve Control Solenoid Circuit Range/Performance (Bank 2)
*P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1)
*P0068 MAP/MAF - Throttle Position Correlation
*P0076 Intake Valve Control Solenoid Circuit Low (Bank 1)
*P0082 Intake Valve Control Solenoid Circuit Low (Bank 2)
*P0101 Mass or Volume Air Flow Circuit Range/Performance
P0134 O Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
2
*P0139 O Sensor Circuit Slow Response (Bank 1 Sensor 2)
2
*P0171 System Too Lean (Bank 1)
*P0172 System Too Rich (Bank 1)
*P0301 Cylinder 1 Misfire Detected
*P0302 Cylinder 2 Misfire Detected
*P0303 Cylinder 3 Misfire Detected
*P0304 Cylinder 4 Misfire Detected
*P0400 Exhaust Gas Recirculation Flow
P1492 EGR Solenoid Valve Signal #1 Circuit Malfunction (Low Input)
P1493 EGR Solenoid Valve Signal #1 Circuit Malfunction (High Input)
P1494 EGR Solenoid Valve Signal #2 Circuit Malfunction (Low Input)
P1495 EGR Solenoid Valve Signal #2 Circuit Malfunction (High Input)
P1496 EGR Solenoid Valve Signal #3 Circuit Malfunction (Low Input)
P1497 EGR Solenoid Valve Signal #3 Circuit Malfunction (High Input)
P1498 EGR Solenoid Valve Signal #4 Circuit Malfunction (Low Input)
P1499 EGR Solenoid Valve Signal #4 Circuit Malfunction (High Input)
*P2096 Post Catalyst Fuel Trim System Too Lean Bank 1
*P2097 Post Catalyst Fuel Trim System Too Rich Bank 1
5. DRIVE CYCLE D
DRIFT DIAGNOSIS
1) Check that the engine coolant temperature at engine start is less than 30°C (86°F).
2) Make sure that fuel remains 9.0 2 (2.4 US gal, 2.0 Imp gal) or more and the battery voltage is 10.9 V or
more.
3) Start the engine, and check that the engine coolant temperature increases by 10°C (50°F) or more, and
reaches 75°C (167°F) or more, when the engine is warmed up.
4) Idle the engine for 120 seconds or more in the condition of step 3.
Drive Cycle
Item
EN(H4SO)(diag)-45
ENGINE (DIAGNOSTICS)
Condition
—
—
—
—
—
—
—
—
—
Diagnosis completes in drive
cycle A or B as well.
Diagnosis completes in drive
cycle A or B as well.
Diagnosis completes in drive
cycle A or B as well.
Diagnosis completes in drive
cycle A or B as well.
Diagnosis completes in drive
cycle A or B as well.
Diagnosis completes in drive
cycle A or B as well.
—
—
—
—
—
—
—
—
—
Diagnosis completes in drive
cycle A or B as well.
Diagnosis completes in drive
cycle A or B as well.