Innova OBD2 Owner's Manual page 26

DTC Definitions
P0484 - P0550
Code
P0484
P0485
P0486
P0487
P0488
P0491
P0492
P0500
P0501
P0502
P0503
P0505
P0506
P0507
P0508
P0509
P0510
P0512
P0513
P0515
P0516
P0517
P0520
P0521
P0522
P0523
P0524
P0530
P0531
P0532
P0533
P0534
P0540
P0541
P0542
P0544
P0545
P0546
P0547
P0548
P0549
P0550
24
E26
Definition
Cooling Fan Circuit Over Current
Cooling Fan Power/Ground Circuit Malfunction
Exhaust Gas Recirculation Sensor "B" Circuit
Exhaust Gas Recirculation Throttle Position Control Circuit
Exhaust Gas Recirculation Throttle Position Control Range/Performance
Secondary Air Injection System (Bank 1)
Secondary Air Injection System (Bank 2)
Vehicle Speed Sensor Malfunction
Vehicle Speed Sensor Range/Performance
Vehicle Speed Sensor Circuit Low Input
Vehicle Speed Sensor Intermittent/Erratic/High
Idle Control System Malfunction
Idle Control System RPM Lower Than Expected
Idle Control System RPM Higher Than Expected
Idle Control System Circuit Low
Idle Control System Circuit High
Closed Throttle Position Switch Malfunction
Starter Request Circuit
Incorrect Immobilizer Key ("Immobilizer" pending SAE J1930 approval)
Battery Temperature Sensor Circuit
Battery Temperature Sensor Circuit Low
Battery Temperature Sensor Circuit High
Engine Oil Pressure/Switch Circuit Malfunction
Engine Oil Pressure/Switch Range/Performance
Engine Oil Pressure/Switch Low Voltage
Engine Oil Pressure/Switch High Voltage
Engine Oil Pressure Too Low
A/C Refrigerant Pressure Sensor Circuit Malfunction
A/C Refrigerant Pressure Sensor Circuit Range/Performance
A/C Refrigerant Pressure Sensor Circuit Low Input
A/C Refrigerant Pressure Sensor Circuit High Input
Air Conditioner Refrigerant Charge Loss
Intake Air Heater Circuit
Intake Air Heater Circuit Low
Intake Air Heater Circuit High
Exhaust Gas Temperature Sensor Circuit (Bank 1)
Exhaust Gas Temperature Sensor Circuit Low (Bank 1)
Exhaust Gas Temperature Sensor Circuit High (Bank 1)
Exhaust Gas Temperature Sensor Circuit (Bank 2)
Exhaust Gas Temperature Sensor Circuit Low (Bank 2)
Exhaust Gas Temperature Sensor Circuit High (Bank 2)
Power Steering Pressure Sensor Circuit Malfunction
OBD2