Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1995 1995 Service Manual TROUBLESHOOTING SECTION ON-BOARD DIAGNOSTICS II SYSTEM MSA5TCD95L5877
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ON-BOARD DIAGNOSTICS II SYSTEM 2-7
11. Diagnostics Chart with Trouble Code
11. Diagnostics Chart with Trouble
Code
A: DIAGNOSTIC TROUBLE CODE (DTC) LIST
DTC Abbreviation
Item Page
No. (Subaru select monitor)
P0100 QA Mass air flow sensor circuit malfunction 135
P0101 QA -- R Mass air flow sensor circuit range/performance problem 141
P0105 P -- S Pressure sensor circuit malfunction 144
P0106 P -- R Pressure sensor circuit range/performance problem 151
P0115 TW Engine coolant temperature sensor circuit malfunction 156
P0120 THV Throttle position sensor circuit malfunction 161
P0121 TH -- R Throttle position sensor circuit range/performance problem 167
P0125 TW -- CL Insufficient coolant temperature for closed loop fuel control 169
P0130 FO2 -- V Front oxygen sensor circuit malfunction 171
P0133 FO2 -- R Front oxygen sensor circuit slow response 177
P0135 FO2H Front oxygen sensor heater circuit malfunction 180
P0136 RO2 -- V Rear oxygen sensor circuit malfunction 185
P0139 RO2 -- R Rear oxygen sensor circuit slow response 190
P0141 RO2H Rear oxygen sensor heater circuit malfunction 193
P0170 FUEL Fuel trim malfunction 198
P0201 INJ1 Fuel injector circuit malfunction - #1
P0202 INJ2 Fuel injector circuit malfunction - #2
203
P0203 INJ3 Fuel injector circuit malfunction - #3
P0204 INJ4 Fuel injector circuit malfunction - #4
P0301 MIS -- 1 Cylinder 1 misfire detected
P0302 MIS -- 2 Cylinder 2 misfire detected
210
P0303 MIS -- 3 Cylinder 3 misfire detected
P0304 MIS -- 4 Cylinder 4 misfire detected
P0325 KNOCK Knock sensor circuit malfunction 217
P0335 CRANK Crankshaft position sensor circuit malfunction 221
P0340 CAM Camshaft position sensor circuit malfunction 225
P0400 EGR Exhaust gas recirculation flow malfunction 229
P0403 EGRSOL Exhaust gas recirculation circuit malfunction 235
P0420 CAT Catalyst system efficiency below threshold 240
P0441 CPC -- F Evaporative emission control system incorrect purge flow 244
P0443 CPC Evaporative emission control system purge control valve circuit malfunction 248
P0500 VSP Vehicle speed sensor malfunction 253
P0505 ISC Idle control system malfunction 256
P0506 ISC -- L Idle control system RPM lower than expected 262
P0507 ISC -- H Idle control system RPM higher than expected 264
P0600 -- Serial communication link malfunction 266
P0601 RAM Internal control module memory check sum error 268
P0703 BRK Brake switch input malfunction 271
133
2-7 ON-BOARD DIAGNOSTICS II SYSTEM
11. Diagnostics Chart with Trouble Code
DTC Abbreviation
Item Page
No. (Subaru select monitor)
P0705 RNG Transmission range sensor circuit malfunction 274
P0710 ATF Transmission fluid temperature sensor circuit malfunction 279
P0720 ATVSP Output speed sensor (vehicle speed sensor 1) circuit malfunction 281
P0725 ATNE Engine speed input circuit malfunction 283
P0731 GR -- 1 Gear 1 incorrect ratio
P0732 GR -- 2 Gear 2 incorrect ratio
285
P0733 GR -- 3 Gear 3 incorrect ratio
P0734 GR -- 4 Gear 4 incorrect ratio
P0740 LU -- F Torque converter clutch system malfunction 289
P0743 LU Torque converter clutch system electrical 294
P0748 PL Pressure control solenoid electrical 296
P0753 SFT1 Shift solenoid A electrical 298
P0758 SFT2 Shift solenoid B electrical 300
P0760 OVR -- F Shift solenoid C malfunction 302
P0763 OVR Shift solenoid C electrical 307
P1100 ST -- SW Starter switch circuit malfunction 309
P1101 N -- SW Neutral position switch circuit malfunction [MT vehicles] 311
P1101 N -- SW Neutral position switch circuit malfunction [AT vehicles] 315
P1102 BR Pressure sources switching solenoid valve circuit malfunction 319
P1103 TRQ Engine torque control signal circuit malfunction 325
P1104 TCS TCS signal circuit malfunction 328
P1500 FAN -- 1 Radiator fan relay 1 circuit malfunction 331
P1502 FAN -- F Radiator fan function problem 338
P1700 ATTH Throttle position sensor circuit malfunction for automatic transmission 341
P1701 CRS Cruise control set signal circuit malfunction for automatic transmission 343
P1702 ATDIAG Automatic transmission diagnosis input signal circuit malfunction 346
134
ON-BOARD DIAGNOSTICS II SYSTEM 2-7
11. Diagnostics Chart with Trouble Code
B: DTC P0100
-- MASS AIR FLOW SENSOR CIRCUIT
MALFUNCTION (QA) --
OBD0142
DESCRIPTION:
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