Obd-II engine diagnostic codes
OBD-II Diagnostic Codes
Toyota Supra 1996-1998
| P0100 | Mass Air Flow Circuit. |
| P0101 | Mass Air Flow Circuit Range/Performance. |
| P0105 | Manifold Absolute Pressure Circuit. |
| P0106 | MAP/BARO Circuit Range/Performance. |
| P0110 | Intake Air Temperature Circuit. |
| P0115 | Engine Coolant Temperature Circuit. |
| P0116 | Engine Coolant Temperature Range/Performance. |
| P0120 | Throttle Pedal Sensor Switch “A” Circuit. |
| P0121 | Throttle Pedal Sensor Switch “A” Circuit Range/Performance. |
| P0125 | Insufficient Coolant Temperature for Closed Loop Fuel Control. |
| P0130 | Heated Oxygen Sensor Circuit – Bank 1 Sensor 1. |
| P0133 | Heated Oxygen Sensor Circuit Slow Response Bank 1 Sensor 1. |
| P0135 | Heated Oxygen Sensor Circuit – Bank 1 Sensor 1. |
| P0136 | Heated Oxygen Sensor Circuit – Bank 1 Sensor 2. |
| P0141 | Heated Oxygen Sensor Circuit – Bank 1 Sensor 2. |
| P0150 | Heated Oxygen Sensor Circuit – Bank 2 Sensor 1. |
| P0153 | Heated Oxygen Sensor Circuit Slow Response Bank 2 Sensor 1. |
| P0155 | Heated Oxygen Sensor Circuit – Bank 2 Sensor 1. |
| P0156 | Heated Oxygen Sensor Circuit – Bank 2 Sensor 2. |
| P0161 | Heated Oxygen Sensor Circuit – Bank 2 Sensor 2. |
| P0170 | Fuel Trim malfunction. |
| P0171 | System too Lean. |
| P0172 | System too Rich. |
| P0201 | Injector Circuit – Cyl. 1. |
| P0202 | Injector Circuit – Cyl. 2. |
| P0203 | Injector Circuit – Cyl. 3. |
| P0204 | Injector Circuit – Cyl. 4. |
| P0205 | Injector Circuit – Cyl. 5. |
| P0206 | Injector Circuit – Cyl. 6. |
| P0300 | Random Misfire. |
| P0301 | Misfire Detected – Cyl. 1. |
| P0302 | Misfire Detected – Cyl. 2. |
| P0303 | Misfire Detected – Cyl. 3. |
| P0304 | Misfire Detected – Cyl. 4. |
| P0305 | Misfire Detected – Cyl. 5. |
| P0306 | Misfire Detected – Cyl. 6. |
| P0325 | Knock Sensor 1 Circuit. |
| P0330 | Knock Sensor 2 Circuit. |
| P0335 | Crankshaft Position Sensor “A” Circuit. |
| P0336 | Crankshaft Position Sensor “A” Circuit Range/Performance. |
| P0340 | CMP Sensor Circuit malfunction. |
| P0385 | Crankshaft Position Sensor “B” NE2 Circuit. |
| P0401 | EGR Flow Insufficient. |
| P0402 | EGR Flow Excessive. |
| P0420 | Catalyst System Efficiency below Threshold. |
| P0430 | Catalyst System Efficiency below Threshold Bank 2. |
| P0440 | EVAP Control System. |
| P0441 | EVAP Control System Improper Purge Flow. |
| P0446 | EVAP Control System Vent Control. |
| P0450 | EVAP Control System Pressure Sensor. |
| P0451 | EVAP Control System Pressure Sensor Range/Performance. |
| P0500 | Vehicle Speed Sensor. |
| P0505 | Idle Speed Control System. |
| P0510 | Close Throttle Position Switch. |
| P1100 | BARO Sensor Circuit. |
| P1120 | Accelerator Pedal Position Sensor Circuit. |
| P1121 | Accelerator Pedal Position Sensor Range/Performance Problem. |
| P1125 | Throttle Control Motor Circuit. |
| P1126 | Magnetic Clutch Circuit. |
| P1127 | ETCS Actuator Power Source Circuit. |
| P1128 | Throttle Control Motor Lock. |
| P1129 | Electric Throttle Control System. |
| P1130 | Air-Fuel Sensor Circuit Range/Performance. |
| P1133 | Air-Fuel Sensor Circuit Response. |
| P1135 | Air-Fuel Sensor Heater Circuit Response. |
| P1150 | A/F Sensor Circuit Range/Performance. |
| P1153 | A/F Sensor Circuit Response. |
| P1155 | A/F Sensor Heater Circuit. |
| P1200 | Fuel Pump Relay Circuit. |
| P1300 | Igniter Circuit – No. 1. |
| P1310 | Igniter Circuit – No. 2. |
| P1335 | No Crankshaft Position Sensor Signal – Engine Running. |
| P1349 | VVT System. |
| P1400 | Sub-Throttle Position Sensor. |
| P1401 | Sub-Throttle Position Sensor Range/Performance Problem. |
| P1405 | Turbo Pressure Sensor Circuit. |
| P1406 | Turbo Pressure Sensor Range/Performance Problem. |
| P1410 | EGR Valve Position Sensor Circuit. |
| P1411 | EGR Valve Position Sensor Circuit Range/Performance. |
| P1500 | Starter Signal Circuit. |
| P1510 | Boost Pressure Control Circuit. |
| P1511 | Boost Pressure Low. |
| P1512 | Boost Pressure High. |
| P1520 | Stop Lamp Switch Signal. |
| P1565 | Cruise Control Main Switch Circuit. |
| P1600 | ECM. |
| P1605 | Knock Control CPU. |
| P1630 | Traction Control System. |
| P1633 | ECM. |
| P1652 | INTAKE air control valve control circuit |
| P1656 | OCV Circuit. |
| P1658 | Wastegate Valve Control Circuit. |
| P1661 | Exhaust Gate Valve Control Circuit |
| P1662 | Exhaust Bypass Valve |
| P1780 | Park/Neutral Switch. |
| The Diagnostic Codes and Explanations are derived from Manufacturer supplied Technical Data. |
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