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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC ⁽¹⁾

Description

B2785 ⁽²⁾

Ignition Switch On Malfunction

B2786 ⁽²⁾

Ignition Switch Off Malfunction

B2791 ⁽²⁾

Key Unlock Warning Switch Off Malfunction

B2795 ⁽²⁾

Unmatched Key Code

B2796 ⁽²⁾

No Communication In Immobilizer System

B2797 ⁽²⁾

Communication Malfunction No. 1

B2798 ⁽²⁾

Communication Malfunction No. 2

Mass Airflow (MAF) Meter Circuit

Mass Airflow (MAF) Meter Circuit Range/Performance

Intake Air Temperature (IAT) Sensor Circuit

Engine Coolant Temperature (ECT) Sensor Circuit

Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance

Throttle Position (TP) Sensor Circuit

Throttle Position (TP) Sensor Circuit Range/Performance

Insufficient Coolant Temperature For Closed Loop Fuel Control

Heated Oxygen Sensor No. 1 Circuit

Heated Oxygen Sensor No. 1 Circuit Slow Response

Heated Oxygen Sensor No. 1 Heater Circuit

Heated Oxygen Sensor No. 2 Circuit

Heated Oxygen Sensor No. 2 Heater Circuit

Heated Oxygen Sensor No. 1 Circuit

Heated Oxygen Sensor No. 1 Circuit Slow Response

Heated Oxygen Sensor No. 1 Heater Circuit

Heated Oxygen Sensor No. 2 Circuit

Heated Oxygen Sensor No. 2 Heater Circuit

System Too Lean

System Too Rich

Random Misfire Detected

Cylinder No. 1 Misfire Detected

Cylinder No. 2 Misfire Detected

Cylinder No. 3 Misfire Detected

Cylinder No. 4 Misfire Detected

Cylinder No. 5 Misfire Detected

Cylinder No. 6 Misfire Detected

Cylinder No. 7 Misfire Detected

Cylinder No. 8 Misfire Detected

Knock Sensor No. 1 Circuit

Knock Sensor No. 2 Circuit

Crankshaft Position (CKP) Sensor Circuit

Camshaft Position (CMP) Sensor Circuit

Catalyst System Efficiency Below Threshold

Catalyst System Efficiency Below Threshold

Evaporative Emission Control System (EVAP)

Incorrect EVAP Purge Flow

EVAP Vent Control Circuit

EVAP Pressure Sensor Circuit

EVAP Pressure Sensor Range/Performance

Vehicle Speed Sensor Circuit

Idle Air Control (IAC) System Circuit

P0710 ⁽³⁾

Transmission Fluid Temperature Sensor Malfunction

P0715 ⁽³⁾

Turbine Speed Sensor Malfunction

P0750 ⁽³⁾

Shift Solenoid Valve No. 1 Malfunction

P0753 ⁽³⁾

Shift Solenoid Valve No. 1 Electrical Malfunction

P0755 ⁽³⁾

Shift Solenoid Valve No. 2 Malfunction

P0758 ⁽³⁾

Shift Solenoid Valve No. 2 Electrical Malfunction

P0770 ⁽³⁾

Lock-Up Solenoid Malfunction

P0773 ⁽³⁾

Lock-Up Solenoid Circuit Electrical Malfunction

Accelerator Pedal Position (APP) Sensor Circuit

Accelerator Pedal Position (APP) Sensor Range/Performance

Throttle Control Motor Circuit

Magnetic Clutch Circuit

Electronic Throttle Control System Actuator Power Source Circuit

Throttle Control Motor Lock Circuit

Electronic Throttle Control System Circuit

Fuel Pump Relay/ECU Circuit

Ignitor No. 1 Circuit

Ignitor No. 2 Circuit

Ignitor No. 3 Circuit

Ignitor No. 4 Circuit

Ignitor No. 5 Circuit

Ignitor No. 6 Circuit

Ignitor No. 7 Circuit

Crankshaft Position (CKP) Sensor Circuit

Ignitor No. 8 Circuit

Stoplight Switch Signal Circuit (A/T Only)

ECM BATT Circuit

ECM Malfunction (Electronic Throttle Control System Circuit)

P1700 ⁽³⁾

Vehicle Speed Sensor No. 2 Malfunction

P1760 ⁽³⁾

Shift Solenoid Valve SLT Malfunction

Park/Neutral Position (PNP) Switch Circuit

⁽¹⁾	Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC in SELF-DIAGNOSTICS - INTRODUCTION article.

⁽²⁾	MIL will not illuminate. For testing procedures, see ENGINE IMMOBILIZER SYSTEMS - LAND CRUISER article in ACCESSORIES & EQUIPMENT.

⁽³⁾	These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.