Innova 3100 Owner's Manual page 60

DTC Definitions
GENERIC (P0446 - P0473)
Code
P0446 Evaporative Emission Control System Vent Control Circuit
Malfunction
P0447 Evaporative Emission Control System Vent Control Open
P0448 Evaporative Emission Control System Vent Control Circuit
Shorted
P0449 Evaporative Emission Control System Vent Valve/Solenoid
Circuit Malfunction
P0450 Evaporative Emission Control System Pressure Sensor
Malfunction
P0451 Evaporative Emission Control System Pressure Sensor Range/
Performance
P0452 Evaporative Emission Control System Pressure Sensor Low
Input
P0453 Evaporative Emission Control System Pressure Sensor High
Input
P0454 Evaporative Emission Control System Pressure Sensor
Intermittent
P0455 Evaporative Emission Control System Leak Detected (gross
leak)
P0456 Evaporative Emission Control System Leak Detected (very
small leak)
P0457 Evaporative Emission Control System Leak Detected (fuel
cap loose/off)
P0460 Fuel Level Sensor Circuit Malfunction
P0461 Fuel Level Sensor Circuit Range/Performance
P0462 Fuel Level Sensor Circuit Low Input
P0463 Fuel Level Sensor Circuit High Input
P0464 Fuel Level Sensor Circuit Intermittent
P0465 Purge Flow Sensor Circuit Malfunction
P0466 Purge Flow Sensor Circuit Range/Performance
P0467 Purge Flow Sensor Circuit Low Input
P0468 Purge Flow Sensor Circuit High Input
P0469 Purge Flow Sensor Circuit Intermittent
P0470 Exhaust Pressure Sensor Malfunction
P0471 Exhaust Pressure Sensor Range/Performance
P0472 Exhaust Pressure Sensor Low
P0473 Exhaust Pressure Sensor High
58
Definition
OBD 2