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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC (1) Description
P0100 (2) Mass Air Flow Circuit Malfunction
P0101  Mass Air Flow Circuit Range/Performance Problem
P0110 (2) Intake Air Temperature Circuit Malfunction
P0115 (2) Engine Coolant Temperature Circuit Malfunction
P0116  Engine Coolant Temperature Circuit Range/Performance Problem
P0120 (2) Throttle/Pedal Position Sensor/Switch "A" Circuit Malfunction
P0121  Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
P0125  Insufficient Coolant Temperature For Closed Loop Fuel Control
P0128  Thermostat Malfunction (Corolla Model)
P0128  Thermostat Malfunction (Matrix Model)
P0130  Heated Oxygen Sensor Circuit Malfunction (Bank No. 1 Sensor No. 1)
P0133  Heated Oxygen Sensor Slow Response (Bank No. 1 Sensor No. 1)
P0135 (2) Heated Oxygen Sensor Heater Circuit Malfunction (Bank No. 1 Sensor No. 1)
P0136  Heated Oxygen Sensor Circuit Malfunction (Bank No. 1 Sensor No. 2)
P0141 (2) Heated Oxygen Sensor Heater Circuit Malfunction (Bank No. 1 Sensor No. 2)
P0171  System Too Lean (Fuel Trim Bank No. 1)
P0172  System Too Rich (Fuel Trim Bank No. 1)
P0300  Random/Multiple Cylinder Misfire Detected
P0301  Cylinder No. 1 Misfire Detected
P0302  Cylinder No. 2 Misfire Detected
P0303  Cylinder No. 3 Misfire Detected
P0304  Cylinder No. 4 Misfire Detected
P0325 (2) Knock Sensor No. 1 Circuit Malfunction (Bank No. 1)
P0335  Crankshaft Position "A" Sensor Circuit Malfunction
P0340  Camshaft Position Sensor Circuit Malfunction
P0420  Catalyst System Efficiency Below Threshold (Bank No. 1)
P0440  EVAP System Malfunction
P0441  EVAP System Incorrect Purge Flow
P0442  EVAP System Malfunction
P0446  EVAP System Malfunction
P0450  EVAP System Pressure Sensor Malfunction
P0451  EVAP System Pressure Sensor Range/Performance
P0500  Vehicle Speed Sensor Malfunction
P0505  Idle Control System Malfunction
P1300 (2) Igniter Circuit Malfunction (No. 1)
P1305 (2) Igniter Circuit Malfunction (No. 2)
P1310 (2) Igniter Circuit Malfunction (No. 3)
P1315 (2) Igniter Circuit Malfunction (No. 4)
P1335 (3) Crankshaft Position Sensor Circuit Malfunction (During Engine Running)
P1346  Variable Valve Timing Sensor/Camshaft Position Sensor Circuit Range/Performance Problem (Bank No. 1)
P1349  Variable Valve Timing System Malfunction (Bank No. 1)
P1520  Stop Light Switch Circuit Malfunction (A/T Only)
P1600  Back-Up Power Source Circuit Malfunction
P1656 (2) Oil Control Valve Circuit Malfunction (Bank No. 1)
P1690  OCV For VVTL Circuit Malfunction (Matrix 2ZZ-GE Engine Model Only)
P1692  OCV For VVTL Open Malfunction / Bank No. 1 (Matrix 2ZZ-GE Engine Model Only)
P1693  OCV For VVTL Close Malfunction / Bank No. 1 (Matrix 2ZZ-GE Engine Model Only)
P1780  Park/Neutral Position Switch Malfunction (A/T Only)
(1) Some DTCs are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC  under SELF-DIAGNOSTIC SYSTEM.
(2) If this DTC is set, ECM will enter fail-safe mode.
(3) MIL will not illuminate.