Subaru 2002 Impreza - Page 305

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LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
PO1 23
DTC No. I
Throttle position sensor circuit high
input
Item
PO1 31
Front oxygen (NF) sensor circuit
range/performance problem (low
inDut)
PO1 25
Insufficient coolant temperature for
closed loop fuel control
PO128 Thermostat malfunction
PO1 36
Rear oxygen sensor circuit malfunc-
tion
PO132
PO1 33
i slow response
Front oxygen (NF) sensor circuit
range/performance problem (high
input)
Front oxygen (NF) sensor circuit
PO1 72
Fuel trim malfunction (NF too rich)
Rear oxygen sensor circuit slow
response
Fuel trim malfunction (NF too lean) PO1 71
PO244
PO245
PO246
Wastegate control solenoid valve
malfunction (high input)
Wastegate control solenoid valve cir-
cuit low input
Wastegate control solenoid valve cir-
cuit high input
PO181 Fuel temperature sensor A circuit
range/performance problem
PO182 Fuel temperature sensor A circuit low
+------ input
PO303
Fuel temperature sensor A circuit
high input
I
Cylinder 3 misfire detected
PO304
PO301 Cylinder 1 misfire detected
Cylinder 4 misfire detected
I
Index
<Ref. to EN(D0HC TURBO)-138, DTC PO123
- THROTTLE POSITION
SENSOR CIRCUIT HIGH INPUT
-, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-140, DTC PO125
- INSUFFICIENT COOLANT
TEMPERATURE FOR CLOSED LOOP FUEL CONTROL
-, Diagnostic
Procedure with Diaanostic Trouble Code (DTCb
<Ref. to EN(D0HC TURBO)-142, DTC PO128
- THERMOSTAT MAL-
FUNCTION
-, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref.
to EN(D0HC TURBO)-1 43, DTC PO1 31 - FRONT OXYGEN (NF)
Diaanostic Procedure with Diaanostic Trouble Code (DTC).>
SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM (LOW INPUT)
-,
<Ref. to EN(D0HC TURBO)-144, DTC PO132 - FRONT OXYGEN (NF)
, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref.
to EN(D0HC TURBO)-146, DTC PO133 - FRONT OXYGEN (NF)
SENSOR CIRCUIT SLOW RESPONSE -, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-148, DTC PO136
- REAR OXYGEN SENSOR
CIRCUIT MALFUNCTION
-, Diagnostic Procedure with Diagnostic Trouble
Code (DTCb
SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM (HIGH INPUT)
-
<Ref. to EN(D0HC TURBO)-1 50, DTC PO1 39 - REAR OXYGEN SENSOR
CIRCUIT SLOW RESPONSE
-, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-152, DTC PO171
- FUEL TRIM MALFUNC-
TION (NF TOO LEAN)
-, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(D0HC TURBO)-153, DTC PO172
- FUEL TRIM MALFUNC-
TION (NF TOO RICH)
-, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(D0HC TURBO)-156, DTC PO181
- FUEL TEMPERATURE
SENSOR A CIRCUIT RANGE/PERFORMANCE PROBLEM
-, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref.
to EN(D0HC TURBO)-158, DTC PO182 - FUEL TEMPERATURE
SENSOR A CIRCUIT LOW INPUT
-, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-160, DTC PO183
- FUEL TEMPERATURE
SENSOR A CIRCUIT HIGH INPUT
-, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-1 64, DTC PO244
- WASTEGATE CONTROL
SOLENOID VALVE MALFUNCTION (HIGH INPUT)
-, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-166, DTC PO245
- WASTEGATE CONTROL
SOLENOID VALVE CIRCUIT LOW INPUT
-, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-170, DTC PO246
- WASTEGATE CONTROL
SOLENOID VALVE CIRCUIT HIGH INPUT
-, Diagnostic Procedure with
Diaanostic Trouble Code (DTCb
<Ref. to EN(D0HC TURBO)-172, DTC PO301
- CYLINDER 1 MISFIRE
DETECTED
-, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref.
to EN(D0HC TURBO)-172, DTC PO302 - CYLINDER 2 MISFIRE
DETECTED
-. Diaanostic Procedure with Diaanostic Trouble Code (DTC).>
<Ref.EEN(DOHC TGRBO)T72, DTC PO303
- CYLINDER 3 MISFIRE
DETECTED
-, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-173, DTC PO304
- CYLINDER 4 MISFIRE
DETECTED
-, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
EN(D0HC TURBO)-81