Diagnostic Procedure With Diagnostic Trouble Code (Dtc) - Subaru Legacy 2002 Service Manual

LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
DTC
No.
P0125 Insufficient coolant temperature for
closed loop fuel control
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
P0153 Incorrect immobilizer key
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
malfunction
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
Item
<Ref. to EN-136, DTC P0125 — INSUFFICIENT COOLANT TEMPERA-
TURE FOR CLOSED LOOP FUEL CONTROL —, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN-138, DTC P0130 — FRONT OXYGEN (A/F) SENSOR CIR-
CUIT RANGE/PERFORMANCE PROBLEM (LEAN) —, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-142, DTC P0131 — FRONT OXYGEN (A/F) SENSOR CIR-
CUIT MALFUNCTION (OPEN CIRCUIT) —, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN-144, DTC P0132 — FRONT OXYGEN (A/F) SENSOR CIR-
CUIT MALFUNCTION (SHORT CIRCUIT) —, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN-146, DTC P0133 — FRONT OXYGEN (A/F) SENSOR CIR-
CUIT SLOW RESPONSE —, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN-148, DTC P0136 — REAR OXYGEN SENSOR CIRCUIT
MALFUNCTION —, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN-152, DTC P0139 — REAR OXYGEN SENSOR CIRCUIT
SLOW RESPONSE —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to IM-20, DTC P0153 INCORRECT IMMOBILIZER KEY (USE OF
UNREGISTERED KEY), Diagnostics Chart with Trouble Code.>
<Ref. to EN-154, DTC P0170 — FUEL TRIM MALFUNCTION —, Diagnos-
tic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-156, DTC P0301 — CYLINDER 1 MISFIRE DETECTED —,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-156, DTC P0302 — CYLINDER 2 MISFIRE DETECTED —,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-156, DTC P0303 — CYLINDER 3 MISFIRE DETECTED —,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN-158, 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 (D,TC).>
<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 CIR-
CUIT MALFUNCTION —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN-176, DTC P0341 — CAMSHAFT POSITION SENSOR CIR-
CUIT RANGE/PERFORMANCE PROBLEM —, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN-180, DTC P0420 — CATALYST SYSTEM EFFICIENCY
BELOW THRESHOLD —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN-182, DTC P0444 — EVAPORATIVE EMISSION CONTROL
SYSTEM PURGE CONTROL VALVE CIRCUIT LOW INPUT —, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
EN-83
Engine (Diagnostics)
Index