Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2006-07 H4SO Engine GD(H4SO) General Desc
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GENERAL DESCRIPTION
List of Diagnostic Trouble Code (DTC)
GENERAL DESCRIPTION
1. List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Item Index
P0026 Intake Valve Control Solenoid Circuit
P0028 Intake Valve Control Solenoid Circuit
P0030 HO2S Heater Control Circuit (Bank 1
P0031 HO2S Heater Control Circuit Low
P0032 HO2S Heater Control Circuit High
P0037 HO2S Heater Control Circuit Low
P0038 HO2S Heater Control Circuit High
P0068 Manifold Absolute Pressure/Baro-
P0076 Intake Valve Control Solenoid Circuit
P0077 Intake Valve Control Solenoid Circuit
P0082 Intake Valve Control Solenoid Circuit
P0083 Intake Valve Control Solenoid Circuit
P0101 Mass or Volume Air Flow Circuit
P0102 Mass or Volume Air Flow Circuit Low
P0103 Mass or Volume Air Flow Circuit High
P0107 Manifold Absolute Pressure/Baro-
P0108 Manifold Absolute Pressure/Baro-
P0111 Intake Air Temperature Circuit
P0112 Intake Air Temperature Circuit Low
P0113 Intake Air Temperature Circuit High
P0117 Engine Coolant Temperature Circuit
GD(H4SO)-2
List of Diagnostic Trouble Code (DTC)
GENERAL DESCRIPTION
DTC Item Index
P0118 Engine Coolant Temperature Circuit
P0122 Throttle/Pedal Position Sensor/
P0123 Throttle/Pedal Position Sensor/
P0125 Insufficient Coolant Temperature for
P0126 Insufficient Coolant Temperature for
P0128 Coolant Thermostat (Coolant Tem-
P0131 O2 Sensor Circuit Low Voltage (Bank
P0132 O2 Sensor Circuit High Voltage
P0133 O2 Sensor Circuit Slow Response
P0134 O2 Sensor Circuit No Activity
P0137 O2 Sensor Circuit Low Voltage (Bank
P0138 O2 Sensor Circuit High Voltage
P0139 O2 Sensor Circuit Slow Response
P0140 O2 Sensor Circuit No Activity
P0171 System too Lean (Bank 1)
P0172 System too Rich (Bank 1)
P0181 Fuel Temperature Sensor "A" Circuit
P0182 Fuel Temperature Sensor "A" Circuit
P0183 Fuel Temperature Sensor "A" Circuit
P0196 Engine Oil Temperature Sensor Cir-
P0197 Engine Oil Temperature Sensor Low
GD(H4SO)-3
List of Diagnostic Trouble Code (DTC)
GENERAL DESCRIPTION
DTC Item Index
P0198 Engine Oil Temperature Sensor High
P0222 Throttle/Pedal Position Sensor/
P0223 Throttle/Pedal Position Sensor/
P0301 Cylinder 1 misfire detected
P0302 Cylinder 2 misfire detected
P0303 Cylinder 3 misfire detected
P0304 Cylinder 4 misfire detected
P0327 Knock Sensor 1 Circuit Low Input
P0328 Knock Sensor 1 Circuit High Input
P0335 Crankshaft Position Sensor "A" Cir-
P0336 Crankshaft Position Sensor "A" Cir-
P0340 Camshaft Position Sensor "A" Circuit
P0341 Camshaft Position Sensor "A" Circuit
P0400 Exhaust Gas Recirculation Flow
P0420 Catalyst System Efficiency Below
P0442 Evaporative Emission Control Sys-
P0447 Evaporative Emission Control Sys-
P0448 Evaporative Emission Control Sys-
P0451 Evaporative Emission Control Sys-
P0452 Evaporative Emission Control Sys-
P0453 Evaporative Emission Control Sys-
GD(H4SO)-4
List of Diagnostic Trouble Code (DTC)
GENERAL DESCRIPTION
DTC Item Index
P0456 Evaporative Emission Control Sys-
P0457 Evaporative Emission Control Sys-
P0458 Evaporative Emission Control Sys-
P0459 Evaporative Emission Control Sys-
P0461 Fuel Level Sensor Circuit Range/Per-
P0462 Fuel Level Sensor Circuit Low Input
P0463 Fuel Level Sensor Circuit High Input
P0464 Fuel Level Sensor Circuit Intermittent
P0483 Cooling Fan Rationality Check
P0502 Vehicle Speed Sensor Circuit Low
P0503 Vehicle Speed Sensor Intermittent/
P0506 Idle Control System RPM Lower
P0507 Idle Control System RPM Higher
P0512 Starter Request Circuit
P0513 Incorrect Immobilizer Key
P0519 Idle Control System Malfunction
P0600 Serial Communication Link
P0604 Internal Control Module Random
P0605 Internal Control Module Read Only
P0607 Control Module Performance
P0638 Throttle Actuator Control Range/Per-
P0691 Cooling Fan 1 Control Circuit Low
P0692 Cooling Fan 1 Control Circuit High
GD(H4SO)-5
List of Diagnostic Trouble Code (DTC)
GENERAL DESCRIPTION
DTC Item Index
P0700 AT MIL Light up Request
P0851 Neutral Switch Input Circuit Low (AT
P0851 Neutral Switch Input Circuit Low (MT
P0852 Neutral Switch Input Circuit High (AT
P0852 Neutral Switch Input Circuit High (MT
P1152 O2 Sensor Circuit Range/Perfor-
P1153 O2 Sensor Circuit Range/Perfor-
P1160 Return Spring Failure
P1400 Fuel Tank Pressure Control Solenoid
P1420 Fuel Tank Pressure Control Sol.
P1443 Vent Control Solenoid Valve Function
P1491 Positive Crankcase Ventilation (Blow-
P1492 EGR Solenoid Valve Signal #1 Cir-
P1493 EGR Solenoid Valve Signal #1 Cir-
P1494 EGR Solenoid Valve Signal #2 Cir-
P1495 EGR Solenoid Valve Signal #2 Cir-
P1496 EGR Solenoid Valve Signal #3 Cir-
P1497 EGR Solenoid Valve Signal #3 Cir-
P1498 EGR Solenoid Valve Signal #4 Cir-
P1499 EGR Solenoid Valve Signal #4 Cir-
P1518 Starter Switch Circuit Low Input
P1560 Back-Up Voltage Circuit Malfunction
GD(H4SO)-6
List of Diagnostic Trouble Code (DTC)
GENERAL DESCRIPTION
DTC Item Index
P1570 Antenna
P1571 Reference Code Incompatibility
P1572 IMM Circuit Failure (Except Antenna
P1574 Key Communication Failure
P1576 EGI Control Module EEPROM
P1577 IMM Control Module EEPROM
P2096 Post Catalyst Fuel Trim System Too
P2097 Post Catalyst Fuel Trim System Too
P2101 Throttle Actuator Control Motor Cir-
P2102 Throttle Actuator Control Motor Cir-
P2103 Throttle Actuator Control Motor Cir-
P2109 Throttle/Pedal Position Sensor A
P2122 Throttle/Pedal Position Sensor/
P2123 Throttle/Pedal Position Sensor/
P2127 Throttle/Pedal Position Sensor/
P2128 Throttle/Pedal Position Sensor/
P2135 Throttle/Pedal Position Sensor/
P2138 Throttle/Pedal Position Sensor/
P2227 Atmospheric Pressure Sensor Circuit
P2228 Atmospheric Pressure Sensor Circuit
P2229 Atmospheric Pressure Sensor Circuit
GD(H4SO)-7
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
2. Diagnostic Trouble Code (DTC) Detecting Criteria
A: DTC P0026 INTAKE VALVE CONTROL SOLENOID CIRCUIT RANGE/PER-
FORMANCE (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect NG from Low NG or High NG.
Variable valve lift diagnosis oil pressure switch is attached for diagnosis, ON or OFF of variable valve lift di-
agnosis oil pressure switch shows whether intake valve is in High mode (increasing the lift amount) or Low
mode (decreasing the lift amount).
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