Diagnostic Procedure With Diagnostic Trouble Code (Dtc) - Subaru Legacy 2003 Service Manual

ENGINE (DIAGNOSTICS)
DTC
No.
P0125 Insufficient coolant temperature for closed loop
fuel control
P0129 Barometric pressure too low
P0130 O2 sensor circuit (Bank 1 Sensor 1)
P0131 O2 sensor circuit low voltage (Bank 1 Sensor 1)
P0132 O2 sensor circuit high voltage (Bank 1 Sensor 1)
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)
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)
LIST OF DIAGNOSTIC TROUBLE CODE (DTC)
Item
<Ref. to EN(H4SO)-136, DTC P0125 — INSUFFICIENT
COOLANT TEMPERATURE FOR CLOSED LOOP FUEL
CONTROL —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO)-138, DTC P0129 — BAROMETRIC PRES-
SURE TOO LOW —, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO)-140, DTC P0130 — O2 SENSOR CIRCUIT
(BANK 1 SENSOR 1) —, Diagnostic Procedure with Diagnostic
Trouble Code (DTC).>
<Ref. to EN(H4SO)-144, DTC P0131 — O2 SENSOR CIRCUIT
LOW VOLTAGE (BANK 1 SENSOR 1) —, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)-146, DTC P0132 — O2 SENSOR CIRCUIT
HIGH VOLTAGE (BANK 1 SENSOR 1) —, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)-148, DTC P0133 — O2 SENSOR CIRCUIT
SLOW RESPONSE (BANK 1 SENSOR 1) —, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)-150, DTC P0134 — O2 SENSOR CIRCUIT
NO ACTIVITY DETECTED (BANK 1 SENSOR 1) —, Diagnos-
tic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)-152, DTC P0137 — O2 SENSOR CIRCUIT
LOW VOLTAGE (BANK 1 SENSOR 2) —, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)-156, DTC P0138 — O2 SENSOR CIRCUIT
HIGH VOLTAGE (BANK 1 SENSOR 2) —, Diagnostic Proce-
dure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)-160, DTC P0139 — O2 SENSOR CIRCUIT
SLOW RESPONSE (BANK 1 SENSOR 2) —, Diagnostic Pro-
cedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)-162, DTC P0171 — SYSTEM TOO LEAN
(BANK 1) —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO)-164, DTC P0172 — SYSTEM TOO RICH
(BANK 1) —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO)-167, DTC P0301 — CYLINDER 1 MISFIRE
DETECTED —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO)-167, DTC P0302 — CYLINDER 2 MISFIRE
DETECTED —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO)-167, DTC P0303 — CYLINDER 3 MISFIRE
DETECTED —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO)-168, DTC P0304 — CYLINDER 4 MISFIRE
DETECTED —, Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
<Ref. to EN(H4SO)-176, DTC P0327 — KNOCK SENSOR 1
CIRCUIT LOW INPUT (BANK 1 OR SINGLE SENSOR) —,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
<Ref. to EN(H4SO)-178, DTC P0328 — KNOCK SENSOR 1
CIRCUIT HIGH INPUT (BANK 1 OR SINGLE SENSOR) —,
Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
EN(H4SO)-84
Index