Subaru 2002 IMPREZA Service Manual page 516

ENGINE (DIAGNOSTICS)
DTC
No.
P0130 Front oxygen (A/F) sensor circuit
range/performance problem (Lean)
P0131 Front oxygen (A/F) sensor circuit
malfunction (open circuit)
P0132 Front oxygen (A/F) sensor circuit
malfunction (short circuit)
P0133 Front oxygen (A/F) sensor circuit
slow response
P0136 Rear oxygen sensor circuit malfunc-
tion
P0139 Rear oxygen sensor circuit slow
response
P0170 Fuel trim malfunction
P0301 Cylinder 1 misfire detected
P0302 Cylinder 2 misfire detected
P0303 Cylinder 3 misfire detected
P0304 Cylinder 4 misfire detected
P0327 Knock sensor circuit low input
P0328 Knock sensor circuit high input
P0335 Crankshaft position sensor circuit
malfunction
P0336 Crankshaft position sensor circuit
range/performance problem
P0340 Camshaft position sensor circuit mal-
function
P0341 Camshaft position sensor circuit
range/performance problem
P0420 Catalyst system efficiency below
threshold
P0444 Evaporative emission control system
purge control valve circuit low input
P0445 Evaporative emission control system
purge control valve circuit high input
P0461 Fuel level sensor circuit range/perfor-
mance problem
LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
Item
<Ref. to EN-142, DTC P0130 — FRONT OXYGEN (A/F) SENSOR CIRCUIT
RANGE/PERFORMANCE PROBLEM (LEAN) —, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN-144, DTC P0131 — FRONT OXYGEN (A/F) SENSOR CIRCUIT
MALFUNCTION (OPEN CIRCUIT) —, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN-146, DTC P0132 — FRONT OXYGEN (A/F) SENSOR CIRCUIT
MALFUNCTION (SHORT CIRCUIT) —, Diagnostic Procedure with Diagnos-
tic Trouble Code (DTC).>
<Ref. to EN-148, DTC P0133 — FRONT OXYGEN (A/F) SENSOR CIRCUIT
SLOW RESPONSE —, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN-150, DTC P0136 — REAR OXYGEN SENSOR CIRCUIT MAL-
FUNCTION —, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-154, DTC P0139 — REAR OXYGEN SENSOR CIRCUIT SLOW
RESPONSE —, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN-156, DTC P0170 — FUEL TRIM MALFUNCTION —, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-158, DTC P0301 — CYLINDER 1 MISFIRE DETECTED —,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-158, DTC P0302 — CYLINDER 2 MISFIRE DETECTED —,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-158, DTC P0303 — CYLINDER 3 MISFIRE DETECTED —,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-160, DTC P0304 — CYLINDER 4 MISFIRE DETECTED —,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-166, DTC P0327 — KNOCK SENSOR CIRCUIT LOW INPUT —
, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-168, DTC P0328 — KNOCK SENSOR CIRCUIT HIGH INPUT
—, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-170, DTC P0335 — CRANKSHAFT POSITION SENSOR CIR-
CUIT MALFUNCTION —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN-172, DTC P0336 — CRANKSHAFT POSITION SENSOR CIR-
CUIT RANGE/PERFORMANCE PROBLEM —, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN-174, DTC P0340 — CAMSHAFT POSITION SENSOR CIRCUIT
MALFUNCTION —, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN-176, DTC P0341 — CAMSHAFT POSITION SENSOR CIRCUIT
RANGE/PERFORMANCE PROBLEM —, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
<Ref. to EN-179, DTC P0420 — CATALYST SYSTEM EFFICIENCY
BELOW THRESHOLD —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN-184, DTC P0444 — EVAPORATIVE EMISSION CONTROL
SYSTEM PURGE CONTROL VALVE CIRCUIT LOW INPUT —, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-188, DTC P0445 — EVAPORATIVE EMISSION CONTROL
SYSTEM PURGE CONTROL VALVE CIRCUIT HIGH INPUT —, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-190, DTC P0461 — FUEL LEVEL SENSOR CIRCUIT RANGE/
PERFORMANCE PROBLEM —, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
EN-84
Index