Subaru 2002 IMPREZA Service Manual page 304

LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
17.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC
No.
PO031
Item Index
<Ref. to EN(D0HC TURBO)-88, DTC PO031
-
FRONT OXYGEN (NF)
SENSOR HEATER CIRCUIT LOW INPUT -, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-92, DTC PO032
-
FRONT OXYGEN (NF)
SENSOR HEATER CIRCUIT HIGH INPUT -, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-94, DTC PO037
-
REAR OXYGEN SENSOR
HEATER CIRCUIT MALFUNCTION -, Diagnostic Procedure with Diagnos-
tic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-98, DTC PO038 - REAR OXYGEN SENSOR
HEATER CIRCUIT HIGH INPUT -, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-100, DTC PO101
-
MASS AIR FLOW SEN-
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-102, DTC PO102
-
MASS AIR FLOW SEN-
SOR CIRCUIT LOW INPUT -, Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
<Ref. to EN(D0HC TURBO)-106, DTC PO103
-
MASS AIR FLOW SEN-
SOR CIRCUIT HIGH INPUT -, Diagnostic Procedure with Diagnostic Trou-
ble Code (DTC).>
<Ref. to EN(D0HC TURBO)-108, DTC PO106
-
PRESSURE SENSOR
CIRCUIT RANGE/PERFORMANCE PROBLEM (LOW INPUT)
-,
Diagnos-
tic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-1 10, DTC PO107
-
PRESSURE SENSOR
CIRCUIT LOW INPUT -, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(D0HC TURBO)-1 14, DTC PO108
-
PRESSURE SENSOR
CIRCUIT HIGH INPUT -, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(D0HC TURBO)-1 18, DTC PO1 11
-
INTAKE AIR TEMPERA-
TURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM -, Diag-
nostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-120, DTC PO1 12 - INTAKE AIR TEMPERA-
TURE SENSOR CIRCUIT LOW INPUT -, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-122, DTC PO1 13
-
INTAKE AIR TEMPERA-
TURE SENSOR CIRCUIT HIGH INPUT
-,
Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-126, DTC PO1 17 - ENGINE COOLANT TEM-
PERATURE SENSOR CIRCUIT LOW INPUT -, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-128, DTC PO1 18
-
ENGINE COOLANT TEM-
PERATURE SENSOR CIRCUIT HIGH INPUT -, Diagnostic Procedure with
Diaqnostic Trouble Code (DTC).>
SOR CIRCUIT RANGE/PERFORMANCE PROBLEM (HIGH INPUT)
-,
Front oxygen (NF) sensor heater cir-
cuit low input
Front oxygen (NF) sensor heater cir-
cuit high input
PO032
PO037
PO038
Rear oxygen sensor heater circuit
malfunction
Rear oxygen sensor heater circuit
high input
Mass air flow sensor circuit range/
performance problem (high input)
PO1 01
PO1 02
PO1 03
Mass air flow sensor circuit low input
Mass air flow sensor circuit high
input
Pressure sensor circuit range/pedor-
mance problem (low input)
PO1 06
PO1 07
PO1 08
Pressure sensor circuit low input
Pressure sensor circuit high input
Intake air temperature sensor circuit
range/performance problem
PO1 11
PO1 12
PO113
Intake air temperature sensor circuit
low input
Intake air temperature sensor circuit
high input
Engine coolant temperature Sensor
circuit low input
PO117
PO1 18
PO121
Engine coolant temperature sensor
circuit high input
Throttle position sensor circuit range/
performance problem (high input)
<Ref. to EN(D0HC TURBO)-132, DTC PO121
-
THROTTLE P O S I T I O F
,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(D0HC TURBO)-134, DTC PO122 -THROTTLE POSITION
SENSOR CIRCUIT LOW INPUT -, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM (HIGH INPUT)
-
POI 22 Throttle position sensor circuitlow
input
EN(D0HC TURBO)-80