Subaru LEGACY Service Manual page 78

ENGINE (DIAGNOSTICS)
DTC
P0133 O2 Sensor Circuit Slow Response
(Bank 1 Sensor 1)
P0134 O2 Sensor Circuit No Activity
Detected (Bank 1 Sensor 1)
P0137 O2 Sensor Circuit Low Voltage (Bank
1 Sensor 2)
P0138 O2 Sensor Circuit High Voltage
(Bank 1 Sensor 2)
P0139 O2 Sensor Circuit Slow Response
(Bank 1 Sensor 2)
P0171 System Too Lean (Bank 1)
P0172 System Too Rich (Bank 1)
P0222 Throttle/Pedal Position Sensor/
Switch "B" Circuit Low Input
P0223 Throttle/Pedal Position Sensor/
Switch "B" Circuit High Input
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
(Bank 1 or Single Sensor)
P0328 Knock Sensor 1 Circuit High Input
(Bank 1 or Single Sensor)
P0335 Crankshaft Position Sensor "A" Cir-
cuit
P0340 Camshaft Position Sensor "A" Circuit
(Bank 1 or Single Sensor)
P0400 Exhaust Gas Recirculation Flow
P0420 Catalyst System Efficiency Below
Threshold (Bank 1)
P0458 Evaporative Emission Control Sys-
tem Purge Control Valve Circuit Low
P0459 Evaporative Emission Control Sys-
tem Purge Control Valve Circuit High
List of Diagnostic Trouble Code (DTC)
Item
<Ref. to EN(H4SO 2.0)(diag)-114, DTC P0133 O2 SENSOR CIRCUIT
SLOW RESPONSE (BANK 1 SENSOR 1), Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-116, DTC P0134 O2 SENSOR CIRCUIT NO
ACTIVITY DETECTED (BANK 1 SENSOR 1), Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-118, DTC P0137 O2 SENSOR CIRCUIT LOW
VOLTAGE (BANK 1 SENSOR 2), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-121, DTC P0138 O2 SENSOR CIRCUIT HIGH
VOLTAGE (BANK 1 SENSOR 2), Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-124, DTC P0139 O2 SENSOR CIRCUIT
SLOW RESPONSE (BANK 1 SENSOR 2), Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-126, DTC P0171 SYSTEM TOO LEAN (BANK
1), Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-126, DTC P0172 SYSTEM TOO RICH (BANK
1), Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-128, DTC P0222 THROTTLE/PEDAL POSI-
TION SENSOR/SWITCH "B" CIRCUIT LOW INPUT, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-131, DTC P0223 THROTTLE/PEDAL POSI-
TION SENSOR/SWITCH "B" CIRCUIT HIGH INPUT, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-134, DTC P0301 CYLINDER 1 MISFIRE
DETECTED, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-134, DTC P0302 CYLINDER 2 MISFIRE
DETECTED, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-134, DTC P0303 CYLINDER 3 MISFIRE
DETECTED, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-135, DTC P0304 CYLINDER 4 MISFIRE
DETECTED, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-142, DTC P0327 KNOCK SENSOR 1 CIR-
CUIT LOW INPUT (BANK 1 OR SINGLE SENSOR), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-144, DTC P0328 KNOCK SENSOR 1 CIR-
CUIT HIGH INPUT (BANK 1 OR SINGLE SENSOR), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-146, DTC P0335 CRANKSHAFT POSITION
SENSOR "A" CIRCUIT, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
<Ref. to EN(H4SO 2.0)(diag)-148, DTC P0340 CAMSHAFT POSITION
SENSOR "A" CIRCUIT (BANK 1 OR SINGLE SENSOR), Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-150, DTC P0400 EXHAUST GAS RECIRCU-
LATION FLOW, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-153, DTC P0420 CATALYST SYSTEM EFFI-
CIENCY BELOW THRESHOLD (BANK 1), Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-155, DTC P0458 EVAPORATIVE EMISSION
CONTROL SYSTEM PURGE CONTROL VALVE CIRCUIT LOW, Diagnostic
Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO 2.0)(diag)-157, DTC P0459 EVAPORATIVE EMISSION
CONTROL SYSTEM PURGE CONTROL VALVE CIRCUIT HIGH, Diagnos-
tic Procedure with Diagnostic Trouble Code (DTC).>
EN(H4SO 2.5)(diag)-76
NOTE