See the DTC page for P0.. (generic) codes and Glossary for terms and acronyms.  

P1100     BARO Sensor Circuit malfunction
P1120     Accelerator Pedal Position Sensor Circuit Malfunction
P1121     Accelerator Pedal Position Sensor Range/Performance Problem
P1125     Throttle Control Motor Circuit Malfunction
P1126     Magnetic Clutch Circuit Malfunction
P1127     ETCS Actuator Power Source Circuit Malfunction
P1128     Throttle Control Motor Lock Malfunction
P1129     Electric Throttle Control System Malfunction
P1130     Air-Fuel Sensor Circuit Range/Performance
P1133     Air-Fuel Sensor Circuit Response Malfunction
P1135     Air-Fuel Sensor Heater Circuit Response Malfunction
P1150     A/F Sensor Circuit Range/Performance Malfunction
P1153     A./F Sensor Circuit Response Malfunction
P1155     A/F Sensor Heater Circuit Malfunction
P1200     Fuel Pump Relay Circuit Malfunction
P1300     Igniter Circuit Malfunction No. 1
P1305     Igniter Circuit Malfunction No. 2 (1998-2000 Land Cruiser, 2000 Celica & Tundra )
P1310     Igniter Circuit Malfunction No. 2 (Except 1998-2000 Land Cruiser, 2000 Celic & Tundra)
P1310     Igniter Circuit Malfunction No. 3 (1998-2000 Land Cruiser, 2000 Celica & Tundra )
P1315     Igniter Circuit Malfunction No. 4 (1998-2000 Land Cruiser, 2000 Celica & Tundra )
P1320     Igniter Circuit Malfunction No. 5 (1998-2000 Land Cruiser & 2000 Tundra )
P1325     Igniter Circuit Malfunction No. 6 (1998-2000 Land Cruiser & 2000 Tundra )
P1330     Igniter Circuit Malfunction No. 7 (1998-2000 Land Cruiser & 2000 Tundra )
P1335     No CKP Sensor Signal Engine Running
P1340     Igniter Circuit Malfunction No. 8 (1998-2000 Land Cruiser & 2000 Tundra )
P1346     VVT Sensor /Camshaft Position Sensor Circuit Range/ Performance Problem (Bank 1)
P1349     VVT System Malfunction
P1400     Sub-Throttle Position Sensor Malfunction
P1401     Sub-Throttle Position Sensor Range/Performance Problem
P1405     Turbo Pressure Sensor Circuit Malfunction
P1406     Turbo Pressure Sensor Range/Performance Problem
P1410     EGR Valve Position Sensor Circuit Malfunction
P1411     EGR Valve Position Sensor Circuit Ranger/Performance
P1500     Starter Signal Circuit Malfunction
P1510     Boost Pressure Control Circuit Malfunction
P1511     Boost Pressure Low Malfunction
P1512     Boost Pressure High Malfunction
P1520     Stop Lamp Switch Signal Malfunction
P1565     Cruise Control Main Switch Circuit Malfunction
P1600     ECM BATT Malfunction
P1605     Knock Control CPU Malfunction
P1630     Traction Control System Malfunction
P1633     ECM Malfunction ECTS Circuit
P1645     Body ECU Malfunction
P1652     IACV Control Circuit Malfunction
P1656     OCV Circuit Malfunction
P1658     Waste Gate Valve Control Circuit Malfunction
P1661     EGR Circuit Malfunction
P1662     EGR By-Pass Valve Control Circuit Malfunction
P1690     OCV Circuit Malfunction
P1692     OCV Open Malfunction
P1693     OCV Closed Malfunction
P1780     PNP Switch Malfunction


last updated 12 Mar 2005