Home/Toyota/Celica/Toyota Celica T230 (1999-2002)/Repair manual/Testing & Diagnostics/Engine Control System Self-Diagnostics - Introduction: Other
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Engine Control System Self-Diagnostics - Introduction: Other Toyota Celica T230

TWO-TRIP DETECTION LOGIC

Note. When road testing vehicle in CHECK mode (Toyota hand-held tester only), Two-Trip Detection Logic will not function. Also, MIL will illuminate first time a malfunction is detected.

When a malfunction initially occurs, Diagnostic Trouble Code (DTC) will be temporarily stored in ECM memory, but MIL on instrument panel will not illuminate. The second time malfunction is detected, MIL on instrument panel will illuminate, provided ignition is turned off and then back on after first malfunction was detected. This is referred to as "Two-Trip Detection Logic" and only applies to specific DTCs.

OBD-II regulations (SAE J-1850) standardizes Data Link Connector (DLC) configurations. See DATA LINK CONNECTOR (DLC) NO. 3 LOCATION table. See appropriate figure in appropriate SELF-DIAGNOSTICS article.

ModelLocation
Avalon, Camry, Camry Solara, Celica, Corolla & ECHOLeft Side Of Instrument Panel, Left Of Steering Column
Land Cruiser, RAV4, Sienna, Tacoma, Tundra & 4RunnerLeft Side Of Instrument Panel, Right Of Steering Column

DATA LINK CONNECTOR (DLC) NO. 3 LOCATION

FREEZE-FRAME DATA

OBD-II or Toyota hand-held tester can by used to check freeze-frame data. ECM records engine operating condition when a misfire, fuel trim (mixture) malfunction or other malfunction (fuel system, calculated load, coolant temperature, fuel trim (mixture), engine speed, vehicle speed, etc.) exists. If more than one fault is detected, only data from the first malfunction is recorded. Recorded data is useful for determining conditions during which the malfunction occurred.

NORMAL Mode Code Retrieval

  1. Connect scan tool to Data Link Connector (DLC) No. 3. Turn ignition on with engine off. Turn scan tool on. Using scan tool manufacturer's instructions, check for DTCs and freeze-frame data.
  2. If scan tool displays UNABLE TO CONNECT TO VEHICLE, check DLC No. 3. See «DLC NO. 3 INSPECTION»(ref-3290-S12132391632000042000000) under SCAN TOOL PROBLEMS. If scan tool does not display UNABLE TO CONNECT TO VEHICLE, go to next step.
  3. Record any DTCs and freeze-frame data displayed for system diagnosis. If driveability problem exists and no DTCs are present, go to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom.
  4. If any DTCs are present, perform appropriate DTC test under DIAGNOSTIC TESTS in appropriate SELF-DIAGNOSTICS article. See appropriate DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION table. For more information on freeze-frame data, see «FREEZE-FRAME DATA»(ref-3290-S20492968022000042000000) under INTRODUCTION. For information on 2-trip detection logic codes, see «TWO-TRIP DETECTION LOGIC»(ref-3290-S36482127472000042000000) under INTRODUCTION.
  5. After repairs have been completed, clear DTCs from ECM. See «CLEARING DIAGNOSTIC TROUBLE CODES»(ref-3290-S27048352252000042000000) . Road test vehicle to ensure all symptoms and/or complaints have been repaired.

CHECK Mode Code Retrieval (Toyota Hand-Held Tester Only)

Note. If ignition switch is turned from ON to ACC or OFF position, all DTCs and freeze-frame data will be erased. DO NOT switch modes until all DTCs and freeze-frame data are recorded.

  1. Ensure vehicle battery is fully charged. Apply parking brake. Shift transmission/transaxle into Neutral (M/T) or Park (A/T). Turn A/C and all accessories off. Ensure throttle valve is fully closed. Turn ignition off. Connect scan tool to Data Link Connector (DLC) No. 3. Turn ignition on with engine off. Turn scan tool on.
  2. Switch scan tool from NORMAL mode to CHECK mode. CHECK mode is operational if MIL on instrument cluster flashes. Start engine. If no DTCs are present, MIL will turn off. Try to simulate conditions of driveability complaint described by customer.
  3. Record any DTCs and freeze-frame data displayed for system diagnosis. If driveability problem exists and no codes are present, go to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom.
  4. If any DTCs are present, perform appropriate DTC test. See appropriate DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION table. For more information on freeze-frame data, see «FREEZE-FRAME DATA»(ref-3290-S20492968022000042000000) under INTRODUCTION. For information on 2-trip detection logic codes, see «TWO-TRIP DETECTION LOGIC»(ref-3290-S36482127472000042000000) under INTRODUCTION.
  5. After repairs for DTC have been completed, DTC must be cleared from ECM memory. See «CLEARING DIAGNOSTIC TROUBLE CODES»(ref-3290-S27048352252000042000000) . Road test vehicle to ensure all symptoms and/or complaints have been repaired.
DTC (1)Description
B2795 (2)Unmatched Key Code
B2796 (2)No Communication In Immobilizer System
B2797 (2)Communication Malfunction No. 1
P0100 (3)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (3)Intake Air Temperature (IAT) Sensor Circuit
P0115 (3)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (3)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control
P0128Thermostat Malfunction
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (3)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean
P0172System Too Rich
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0305Cylinder No. 5 Misfire Detected
P0306Cylinder No. 6 Misfire Detected
P0325 (3)Knock Sensor No. 1 Circuit
P0330 (3)Knock Sensor No. 2 Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0442Evaporative Emission Control System Leak Detected
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
P0750 (4)Shift Solenoid Valve No. 1 Malfunction
P0753 (4)Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4)Shift Solenoid Valve No. 2 Malfunction
P0758 (4)Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4)Lock-Up Solenoid Malfunction
P0773 (4)Lock-Up Solenoid Circuit Electrical Malfunction
P1130Air/Fuel Sensor Circuit Range/Performance
P1133Air/Fuel Sensor Circuit Response
P1135 (3)Air/Fuel Sensor Heater Circuit
P1150Air/Fuel Sensor Circuit Range/Performance
P1153Air/Fuel Sensor Circuit Response
P1155 (3)Air/Fuel Sensor Heater Circuit
P1300 (3)Ignitor No. 1 Circuit
P1305 (3)Ignitor No. 2 Circuit
P1310 (3)Ignitor No. 3 Circuit
P1315 (3)Ignitor No. 4 Circuit
P1320 (3)Ignitor No. 5 Circuit
P1325 (3)Ignitor No. 6 Circuit
P1335 (5)Crankshaft Position (CKP) Sensor Circuit
P1345Variable Valve Timing (VVT) Sensor Circuit (Bank No. 1)
P1346Variable Valve Timing (VVT) Circuit Range/Performance (Bank No. 1)
P1349Variable Valve Timing (VVT) System Malfunction (Bank No. 1)
P1350Variable Valve Timing (VVT) Sensor Circuit (Bank No. 2)
P1351Variable Valve Timing (VVT) Circuit Range/Performance (Bank No. 2)
P1354Variable Valve Timing (VVT) System Malfunction (Bank No. 2)
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1656Oil Control Valve (OCV) Malfunction (Bank No. 1)
P1663Oil Control Valve (OCV) Malfunction (Bank No. 2)
P1705 (4)Direct Clutch Speed Sensor Malfunction
P1765 (4)Shift Solenoid Valve SLN Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. (3) If this code is set, ECM will enter fail-safe mode. (4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (5) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3)If this code is set, ECM will enter fail-safe mode.
(4)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (AVALON)

DTC (1)Description
P0105 (2)Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit
P0106Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (2)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean
P0172System Too Rich
P0180Fuel Temperature Sensor "A" Circuit Malfunction
P0190Fuel Rail Pressure Sensor Circuit Malfunction
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0400Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
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
P1130Air/Fuel Sensor Circuit Range/Performance
P1135 (2)Air/Fuel Sensor Heater Circuit
P1190Fuel Pressure Regulator Malfunction
P1240 (4)Fuel Rail Fuel Shutoff Valve Circuit Malfunction
P1245 (4)Fuel Pressure Regulator Fuel Shutoff Valve Circuit Malfunction
P1300 (2)Ignitor No. 1 Circuit
P1310 (2)Ignitor No. 2 Circuit
P1335 (4)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1780Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (4) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY 4-CYLINDER - CNG)

DTC (1)Description
B2795 (2)Unmatched Key Code
B2796 (2)No Communication In Immobilizer System
B2797 (2)Communication Malfunction No. 1
B2798 (2)Communication Malfunction No. 2
P0105 (3)Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit
P0106Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit Range/Performance
P0110 (3)Intake Air Temperature (IAT) Sensor Circuit
P0115 (3)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (3)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (3)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (3)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0325 (3)Knock Sensor Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0401Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0442Evaporative Emission Control System Leak Detected
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit (Except Calif. Emissions)
P0505Idle Air Control (IAC) System Circuit (Calif. Emissions)
P0750 (4)Shift Solenoid Valve No. 1 Malfunction
P0753 (4)Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4)Shift Solenoid Valve No. 2 Malfunction
P0758 (4)Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4)Lock-Up Solenoid Malfunction
P0773 (4)Lock-Up Solenoid Circuit Electrical Malfunction
P1130Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 (3)Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 (3)Ignitor No. 1 Circuit
P1310 (3)Ignitor No. 2 Circuit
P1335 (5)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1780Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. (3) If this code is set, ECM will enter fail-safe mode. (4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (5) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3)If this code is set, ECM will enter fail-safe mode.
(4)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY 4-CYLINDER - GASOLINE)

DTC (1)Description
B2795 (2)Unmatched Key Code
B2796 (2)No Communication In Immobilizer System
B2797 (2)Communication Malfunction No. 1
B2798 (2)Communication Malfunction No. 2
P0100 (3)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (3)Intake Air Temperature (IAT) Sensor Circuit
P0115 (3)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (3)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0128Thermostat Malfunction
P0130 (4)Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 (4)Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (3) (4)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 (5)Heated Oxygen Sensor No. 2 Circuit
P0141 (3) (5)Heated Oxygen Sensor No. 2 Heater Circuit
P0150 (6)Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0153 (6)Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0155 (3) (6)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0305Cylinder No. 5 Misfire Detected
P0306Cylinder No. 6 Misfire Detected
P0325 (3)Knock Sensor No. 1 Circuit
P0330 (3)Knock Sensor No. 2 Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0401Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0442Evaporative Emission Control System Small Leak Detected (A/T)
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
P0750 (7)Shift Solenoid Valve No. 1 Malfunction
P0753 (7)Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (7)Shift Solenoid Valve No. 2 Malfunction
P0758 (7)Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (7)Lock-Up Solenoid Malfunction
P0773 (7)Lock-Up Solenoid Circuit Electrical Malfunction
P1130 (4)Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 (4)Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 (4)Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1150 (6)Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1153 (6)Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1155 (6)Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 (3)Ignitor Circuit
P1335 (8)Crankshaft Position (CKP) Sensor Circuit
P1410EGR Valve Position Sensor Circuit
P1411EGR Valve Position Sensor Circuit Range/Performance
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1705 (7)Direct Clutch Speed Sensor Malfunction
P1765 (7)Shift Solenoid Valve SLN Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. (3) If this code is set, ECM will enter fail-safe mode. (4) This code applies to bank No. 1, sensor No. 1. (5) This code applies to bank No. 1, sensor No. 2. (6) This code applies to bank No. 2, sensor No. 1. (7) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (8) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3)If this code is set, ECM will enter fail-safe mode.
(4)This code applies to bank No. 1, sensor No. 1.
(5)This code applies to bank No. 1, sensor No. 2.
(6)This code applies to bank No. 2, sensor No. 1.
(7)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(8)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY V6)

DTC (1)Description
B2795 (2)Unmatched Key Code
B2796 (2)No Communication In Immobilizer System
B2797 (2)Communication Malfunction No. 1
B2798 (2)Communication Malfunction No. 2
P0105 (3)Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit
P0106Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit Range/Performance
P0110 (3)Intake Air Temperature (IAT) Sensor Circuit
P0115 (3)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (3)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (3)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (3)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0325 (3)Knock Sensor Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0401Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0442Evaporative Emission Control System Leak Detected
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit (Except Calif. Emissions)
P0505Idle Air Control (IAC) System Circuit (Calif. Emissions)
P0750 (4)Shift Solenoid Valve No. 1 Malfunction
P0753 (4)Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4)Shift Solenoid Valve No. 2 Malfunction
P0758 (4)Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4)Lock-Up Solenoid Malfunction
P0773 (4)Lock-Up Solenoid Circuit Electrical Malfunction
P1130Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 (3)Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 (3)Ignitor No. 1 Circuit
P1310 (3)Ignitor No. 2 Circuit
P1335 (5)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. (3) If this code is set, ECM will enter fail-safe mode. (4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (5) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3)If this code is set, ECM will enter fail-safe mode.
(4)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY SOLARA 4-CYLINDER)

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
P0100 (3)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (3)Intake Air Temperature (IAT) Sensor Circuit
P0115 (3)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (3)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0128Thermostat Malfunction
P0130 (4)Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 (4)Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (3) (4)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 (5)Heated Oxygen Sensor No. 2 Circuit
P0141 (3) (5)Heated Oxygen Sensor No. 2 Heater Circuit
P0150 (6)Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0153 (6)Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0155 (3) (6)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0305Cylinder No. 5 Misfire Detected
P0306Cylinder No. 6 Misfire Detected
P0325 (3)Knock Sensor No. 1 Circuit
P0330 (3)Knock Sensor No. 2 Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0401Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0442Evaporative Emission Control System Leak Detected
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
P0750 (7)Shift Solenoid Valve No. 1 Malfunction
P0753 (7)Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (7)Shift Solenoid Valve No. 2 Malfunction
P0758 (7)Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (7)Lock-Up Solenoid Malfunction
P0773 (7)Lock-Up Solenoid Circuit Electrical Malfunction
P1130 (4)Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 (4)Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 (3) (4)Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1150 (6)Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1153 (6)Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1155 (3) (6)Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 (3)Ignitor Circuit
P1335 (8)Crankshaft Position (CKP) Sensor Circuit
P1410EGR Valve Position Sensor Circuit
P1411EGR Valve Position Sensor Circuit Range/Performance
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1705 (7)Direct Clutch Speed Sensor Malfunction
P1765 (7)Shift Solenoid Valve SLN Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. (3) If this code is set, ECM will enter fail-safe mode. (4) This code applies to bank No. 1, sensor No. 1. (5) This code applies to bank No. 1, sensor No. 2. (6) This code applies to bank No. 2, sensor No. 1. (7) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (8) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3)If this code is set, ECM will enter fail-safe mode.
(4)This code applies to bank No. 1, sensor No. 1.
(5)This code applies to bank No. 1, sensor No. 2.
(6)This code applies to bank No. 2, sensor No. 1.
(7)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(8)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CAMRY SOLARA V6)

DTC (1)Description
P0100 (2)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control
P0130Heated Oxygen Sensor No. 1 Circuit
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response
P0135Heated Oxygen Sensor No. 1 Heater Circuit
P0136Heated Oxygen Sensor No. 2 Circuit
P0141Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean
P0172System Too Rich
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0325 (2)Knock Sensor Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
P0710 (3)Transmission Fluid Temperature Sensor Malfunction
P0750 (3)Shift Solenoid Valve SL1 Malfunction
P0753 (3)Shift Solenoid Valve SL1 Electrical Malfunction
P0755 (3)Shift Solenoid Valve SL2 Malfunction
P0758 (3)Shift Solenoid Valve SL2 Electrical Malfunction
P0765 (3) (4)Shift Solenoid Valve S4 Malfunction
P0768 (3) (4)Shift Solenoid Valve S4 Electrical Malfunction
P0770 (3)Lock-Up Solenoid Malfunction
P0773 (3)Lock-Up Solenoid Circuit Electrical Malfunction
P1300 (2)Ignitor No. 1 Circuit
P1305 (2)Ignitor No. 2 Circuit
P1310 (2)Ignitor No. 3 Circuit
P1315 (2)Ignitor No. 4 Circuit
P1335Crankshaft Position (CKP) Sensor Circuit
P1346Variable Valve Timing (VVT) Circuit Range/Performance
P1349Variable Valve Timing (VVT) System Malfunction
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1645Body ECU Malfunction
P1656VVT Oil Control Valve (OCV) Malfunction
P1690VVL Oil Control Valve (OCV) Circuit Malfunction (2ZZ-GE Only)
P1692VVL OCV Open/Closed Malfunction (2ZZ-GE Only)
P1693VVL OCV Open/Closed Malfunction (2ZZ-GE Only)
P1725 (3)Input Turbine Speed Sensor Circuit Malfunction
P1730 (3) (4)Counter Gear Speed Sensor Circuit Malfunction
P1760 (3)Shift Solenoid Valve SLT Malfunction
P1790 (3) (5)ST Solenoid Valve Circuit Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (4) Only applies to U240E transmission (2ZZ-GE engine). (5) Only applies to U341E transmission (1ZZ-FE engine).
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4)Only applies to U240E transmission (2ZZ-GE engine).
(5)Only applies to U341E transmission (1ZZ-FE engine).

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (CELICA)

DTC (1)Description
P0100 (2)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control
P0128Thermostat Malfunction
P0130Heated Oxygen Sensor No. 1 Circuit
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response
P0135 (2)Heated Oxygen Sensor No. 1 Heater Circuit
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (2)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean
P0172System Too Rich
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0325 (2)Knock Sensor Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
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
P1300 (2)Ignitor No. 1 Circuit
P1305 (2)Ignitor No. 2 Circuit
P1310 (2)Ignitor No. 3 Circuit
P1315 (2)Ignitor No. 4 Circuit
P1335 (4)Crankshaft Position (CKP) Sensor Circuit
P1346Variable Valve Timing (VVT) Circuit Range/Performance
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1656Oil Control Valve (OCV) Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (4) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (COROLLA)

DTC (1)Description
P0100 (2)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control
P0130Heated Oxygen Sensor No. 1 Circuit
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response
P0135 (2)Heated Oxygen Sensor No. 1 Heater Circuit
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (2)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean
P0172System Too Rich
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0325 (2)Knock Sensor Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
P0550Power Steering Oil Pressure Sensor Circuit Malfunction
P0710 (3)Transmission Fluid Temperature Sensor Malfunction
P0750 (3)Shift Solenoid Valve SL1 Malfunction
P0753 (3)Shift Solenoid Valve SL1 Electrical Malfunction
P0755 (3)Shift Solenoid Valve SL2 Malfunction
P0758 (3)Shift Solenoid Valve SL2 Electrical Malfunction
P0770 (3)Lock-Up Solenoid Malfunction
P0773 (3)Lock-Up Solenoid Circuit Electrical Malfunction
P1300 (2)Ignitor No. 1 Circuit
P1305 (2)Ignitor No. 2 Circuit
P1310 (2)Ignitor No. 3 Circuit
P1315 (2)Ignitor No. 4 Circuit
P1345VVT/Camshaft Position Sensor Circuit Malfunction
P1346Variable Valve Timing (VVT) Sensor Circuit Range/Performance
P1349Variable Valve Timing (VVT) System Malfunction
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1656Oil Control Valve (OCV) Malfunction
P1725 (3)Input Turbine Speed Sensor Circuit Malfunction
P1760 (3)Shift Solenoid Valve SLT Malfunction
P1790 (3)ST Solenoid Valve Circuit Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (ECHO)

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
P0100 (3)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (3)Intake Air Temperature (IAT) Sensor Circuit
P0115 (3)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (3)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control
P0130Heated Oxygen Sensor No. 1 Circuit (Bank No. 1)
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response (Bank No. 1)
P0135 (3)Heated Oxygen Sensor No. 1 Heater Circuit (Bank No. 1)
P0136Heated Oxygen Sensor No. 2 Circuit (Bank No. 1)
P0141 (3)Heated Oxygen Sensor No. 2 Heater Circuit (Bank No. 1)
P0150Heated Oxygen Sensor No. 1 Circuit (Bank No. 2)
P0153Heated Oxygen Sensor No. 1 Circuit Slow Response (Bank No. 2)
P0155 (3)Heated Oxygen Sensor No. 1 Heater Circuit (Bank No. 2)
P0156Heated Oxygen Sensor No. 2 Circuit (Bank No. 2)
P0161 (3)Heated Oxygen Sensor No. 2 Heater Circuit (Bank No. 2)
P0171System Too Lean
P0172System Too Rich
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0305Cylinder No. 5 Misfire Detected
P0306Cylinder No. 6 Misfire Detected
P0307Cylinder No. 7 Misfire Detected
P0308Cylinder No. 8 Misfire Detected
P0325 (3)Knock Sensor No. 1 Circuit
P0330 (3)Knock Sensor No. 2 Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold (Bank No. 1)
P0430Catalyst System Efficiency Below Threshold (Bank No. 2)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
P0710 (4)Transmission Fluid Temperature Sensor Malfunction
P0715 (4)Turbine Speed Sensor Malfunction
P0750 (4)Shift Solenoid Valve No. 1 Malfunction
P0753 (4)Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4)Shift Solenoid Valve No. 2 Malfunction
P0758 (4)Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4)Lock-Up Solenoid Malfunction
P0773 (4)Lock-Up Solenoid Circuit Electrical Malfunction
P1120Accelerator Pedal Position (APP) Sensor Circuit
P1121Accelerator Pedal Position (APP) Sensor Range/Performance
P1125Throttle Control Motor Circuit
P1126Magnetic Clutch Circuit
P1127Electronic Throttle Control System Actuator Power Source Circuit
P1128Throttle Control Motor Lock Circuit
P1129Electronic Throttle Control System Circuit
P1200 (5)Fuel Pump Relay/ECU Circuit
P1300 (3)Ignitor No. 1 Circuit
P1305 (3)Ignitor No. 2 Circuit
P1310 (3)Ignitor No. 3 Circuit
P1315 (3)Ignitor No. 4 Circuit
P1320 (3)Ignitor No. 5 Circuit
P1325 (3)Ignitor No. 6 Circuit
P1330 (3)Ignitor No. 7 Circuit
P1335 (5)Crankshaft Position (CKP) Sensor Circuit
P1340 (3)Ignitor No. 8 Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1633ECM Malfunction (Electronic Throttle Control System Circuit)
P1700 (4)Vehicle Speed Sensor No. 2 Malfunction
P1760 (4)Shift Solenoid Valve SLT Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. (3) If this code is set, ECM will enter fail-safe mode. (4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (5) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3)If this code is set, ECM will enter fail-safe mode.
(4)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (LAND CRUISER)

DTC (1)Description
P0105 (2)Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit
P0106Manifold Absolute Pressure (MAP)/Barometric Pressure Sensor Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (2)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (2)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0325 (2)Knock Sensor Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0401Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
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
P1130Air/Fuel Sensor Circuit Range/Performance Malfunction (Calif. Emissions)
P1133Air/Fuel Sensor Circuit Response Malfunction (Calif. Emissions)
P1135Air/Fuel Sensor Heater Circuit Malfunction (Calif. Emissions)
P1300 (2)Ignitor No. 1 Circuit
P1310 (2)Ignitor No. 2 Circuit
P1335 (4)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1700 (3) (5)Vehicle Speed Sensor No. 2 Malfunction
P1715 (3) (5)Rear Wheel Speed Sensor Malfunction
P1760 (3) (5)Shift Solenoid Valve SLT Malfunction
P1775 (3) (5)Differential Lock Solenoid No. 1 Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (4) MIL will not illuminate. (5) These codes only apply to models equipped with all-wheel drive.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4)MIL will not illuminate.
(5)These codes only apply to models equipped with all-wheel drive.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (RAV4)

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
P0100 (3)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (3)Intake Air Temperature (IAT) Sensor Circuit
P0115 (3)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (3)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130 (4)Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133 (4)Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (3) (4)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136 (5)Heated Oxygen Sensor No. 2 Circuit
P0141 (3) (5)Heated Oxygen Sensor No. 2 Heater Circuit
P0150 (6)Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0153 (6)Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0155 (3) (6)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0305Cylinder No. 5 Misfire Detected
P0306Cylinder No. 6 Misfire Detected
P0325 (3)Knock Sensor No. 1 Circuit
P0330 (3)Knock Sensor No. 2 Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
P0710 (7)Transmission Fluid Temperature Sensor Malfunction
P0750 (7)Shift Solenoid Valve No. 1 Malfunction
P0753 (7)Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (7)Shift Solenoid Valve No. 2 Malfunction
P0758 (7)Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (7)Lock-Up Solenoid Malfunction
P0773 (7)Lock-Up Solenoid Circuit Electrical Malfunction
P1130 (4)Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133 (4)Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135 (4)Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1150 (6)Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1153 (6)Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1155 (6)Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 (3)Ignitor Circuit
P1335 (8)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. (3) If this code is set, ECM will enter fail-safe mode. (4) This code applies to bank No. 1, sensor No. 1. (5) This code applies to bank No. 1, sensor No. 2. (6) This code applies to bank No. 2, sensor No. 1. (7) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (8) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT.
(3)If this code is set, ECM will enter fail-safe mode.
(4)This code applies to bank No. 1, sensor No. 1.
(5)This code applies to bank No. 1, sensor No. 2.
(6)This code applies to bank No. 2, sensor No. 1.
(7)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(8)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (SIENNA)

DTC (1)Description
P0100 (2)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (2)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (2)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0325 (2)Knock Sensor Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340 (2)Camshaft Position (CMP) Sensor Circuit
P0401Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit (Except Calif. Emissions)
P0505Idle Air Control (IAC) System Circuit (Calif. Emissions)
P0710 (3)Transmission Fluid Temperature 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
P1130Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300Ignitor No. 1 Circuit (Except Calif. Emissions)
P1300 (2)Ignitor No. 1 Circuit (Calif. Emissions)
P1305 (2)Ignitor No. 2 Circuit (Calif. Emissions)
P1310 (2)Ignitor No. 2 Circuit (Except Calif. Emissions)
P1310 (2)Ignitor No. 3 Circuit (Calif. Emissions)
P1315 (2)Ignitor No. 4 Circuit (Calif. Emissions)
P1335 (4)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1700 (3)Vehicle Speed Sensor No. 2 Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with 2.7L engine with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (4) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with 2.7L engine with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TACOMA 4-CYLINDER)

DTC (1)Description
P0100 (2)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (2)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (2)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0305Cylinder No. 5 Misfire Detected
P0306Cylinder No. 6 Misfire Detected
P0325 (2)Knock Sensor No. 1 Circuit
P0330 (2)Knock Sensor No. 2 Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340 (2)Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
P0710 (3)Transmission Fluid Temperature 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
P1130Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 (2)Ignitor Circuit
P1335 (4)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1700 (3)Vehicle Speed Sensor No. 2 Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (4) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TACOMA V6)

DTC (1)Description
P0100 (2)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (2)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (2)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0305Cylinder No. 5 Misfire Detected
P0306Cylinder No. 6 Misfire Detected
P0325 (2)Knock Sensor No. 1 Circuit
P0330 (2)Knock Sensor No. 2 Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle 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
P1130Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 (2)Ignitor Circuit
P1335 (4)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1700 (3)Vehicle Speed Sensor No. 2 Malfunction
P1760 (3)Shift Solenoid Valve SLT Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (4) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TUNDRA V6)

DTC (1)Description
P0100 (2)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control
P0130Heated Oxygen Sensor No. 1 Circuit (Bank No. 1)
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response (Bank No. 1)
P0135 (2)Heated Oxygen Sensor No. 1 Heater Circuit (Bank No. 1)
P0136Heated Oxygen Sensor No. 2 Circuit (Bank No. 1)
P0141 (2)Heated Oxygen Sensor No. 2 Heater Circuit (Bank No. 1)
P0150Heated Oxygen Sensor No. 1 Circuit (Bank No. 2)
P0153Heated Oxygen Sensor No. 1 Circuit Slow Response (Bank No. 2)
P0155 (2)Heated Oxygen Sensor No. 1 Heater Circuit (Bank No. 2)
P0156Heated Oxygen Sensor No. 2 Circuit (Bank No. 2)
P0161 (2)Heated Oxygen Sensor No. 2 Heater Circuit (Bank No. 2)
P0171System Too Lean
P0172System Too Rich
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0305Cylinder No. 5 Misfire Detected
P0306Cylinder No. 6 Misfire Detected
P0307Cylinder No. 7 Misfire Detected
P0308Cylinder No. 8 Misfire Detected
P0325 (2)Knock Sensor No. 1 Circuit
P0330 (2)Knock Sensor No. 2 Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold
P0430Catalyst System Efficiency Below Threshold
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle 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
P1120Accelerator Pedal Position (APP) Sensor Circuit
P1121Accelerator Pedal Position (APP) Sensor Range/Performance
P1125Throttle Control Motor Circuit
P1126Magnetic Clutch Circuit
P1127Electronic Throttle Control System Actuator Power Source Circuit
P1128Throttle Control Motor Lock Circuit
P1129Electronic Throttle Control System Circuit
P1200Fuel Pump Relay Circuit
P1300 (2)Ignitor Circuit Malfunction (No. 1)
P1305 (2)Ignitor Circuit Malfunction (No. 2)
P1310 (2)Ignitor Circuit Malfunction (No. 3)
P1315 (2)Ignitor Circuit Malfunction (No. 4)
P1320 (2)Ignitor Circuit Malfunction (No. 5)
P1325 (2)Ignitor Circuit Malfunction (No. 6)
P1330 (2)Ignitor Circuit Malfunction (No. 7)
P1335 (4)Crankshaft Position (CKP) Sensor Circuit
P1340 (2)Ignitor Circuit Malfunction (No. 8)
P1520Stoplight Switch Signal Malfunction (A/T)
P1600ECM BATT Malfunction
P1633ECM Malfunction (Electronic Throttle Control System Circuit)
P1700 (3)Vehicle Speed Sensor No. 2 Malfunction
P1760 (3)Shift Solenoid Valve SLT Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (4) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (TUNDRA V8)

DTC (1)Description
P0100 (2)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (2)Intake Air Temperature (IAT) Sensor Circuit
P0115 (2)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (2)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (2)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (2)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0325 (2)Knock Sensor Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340 (2)Camshaft Position (CMP) Sensor Circuit
P0401Insufficient Exhaust Gas Recirculation (EGR) Flow Detected
P0402Excessive Exhaust Gas Recirculation (EGR) Flow Detected
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Range/Performance
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit (Except Calif. Emissions)
P0505Idle Air Control (IAC) System Circuit (Calif. Emissions)
P0710 (3)Transmission Fluid Temperature 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
P1130Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 (2)Ignitor No. 1 Circuit (Except Calif. Emissions)
P1300 (2)Ignitor No. 1 Circuit (Calif. Emissions)
P1305 (2)Ignitor No. 2 Circuit (Calif. Emissions)
P1310 (2)Ignitor No. 2 Circuit (Except Calif. Emissions)
P1310 (2)Ignitor No. 3 Circuit (Calif. Emissions)
P1315 (2)Ignitor No. 4 Circuit (Calif. Emissions)
P1335 (4)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1700 (3)Vehicle Speed Sensor No. 2 Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) If this code is set, ECM will enter fail-safe mode. (3) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (4) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)If this code is set, ECM will enter fail-safe mode.
(3)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(4)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (4RUNNER 4-CYLINDER)

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
P0100 (3)Mass Airflow (MAF) Meter Circuit
P0101Mass Airflow (MAF) Meter Circuit Range/Performance
P0110 (3)Intake Air Temperature (IAT) Sensor Circuit
P0115 (3)Engine Coolant Temperature (ECT) Sensor Circuit
P0116Engine Coolant Temperature (ECT) Sensor Circuit Range/Performance
P0120 (3)Throttle Position (TP) Sensor Circuit
P0121Throttle Position (TP) Sensor Circuit Range/Performance
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Except Calif. Emissions)
P0125Insufficient Coolant Temperature For Closed Loop Fuel Control (Calif. Emissions)
P0130Heated Oxygen Sensor No. 1 Circuit (Except Calif. Emissions)
P0133Heated Oxygen Sensor No. 1 Circuit Slow Response (Except Calif. Emissions)
P0135 (3)Heated Oxygen Sensor No. 1 Heater Circuit (Except Calif. Emissions)
P0136Heated Oxygen Sensor No. 2 Circuit
P0141 (3)Heated Oxygen Sensor No. 2 Heater Circuit
P0171System Too Lean (Except Calif. Emissions)
P0171System Too Lean (Calif. Emissions)
P0172System Too Rich (Except Calif. Emissions)
P0172System Too Rich (Calif. Emissions)
P0300Random Misfire Detected
P0301Cylinder No. 1 Misfire Detected
P0302Cylinder No. 2 Misfire Detected
P0303Cylinder No. 3 Misfire Detected
P0304Cylinder No. 4 Misfire Detected
P0305Cylinder No. 5 Misfire Detected
P0306Cylinder No. 6 Misfire Detected
P0325 (3)Knock Sensor No. 1 Circuit
P0330 (3)Knock Sensor No. 2 Circuit
P0335Crankshaft Position (CKP) Sensor Circuit
P0340Camshaft Position (CMP) Sensor Circuit
P0420Catalyst System Efficiency Below Threshold (Except Calif. Emissions)
P0420Catalyst System Efficiency Below Threshold (Calif. Emissions)
P0440Evaporative Emission Control System
P0441Incorrect EVAP Purge Flow
P0446EVAP Vent Control Circuit
P0450EVAP Pressure Sensor Circuit
P0451EVAP Pressure Sensor Range/Performance
P0500Vehicle Speed Sensor Circuit
P0505Idle Air Control (IAC) System Circuit
P0710 (4)Transmission Fluid Temperature Sensor Malfunction
P0750 (4)Shift Solenoid Valve No. 1 Malfunction
P0753 (4)Shift Solenoid Valve No. 1 Electrical Malfunction
P0755 (4)Shift Solenoid Valve No. 2 Malfunction
P0758 (4)Shift Solenoid Valve No. 2 Electrical Malfunction
P0770 (4)Lock-Up Solenoid Malfunction
P0773 (4)Lock-Up Solenoid Circuit Electrical Malfunction
P1130Air/Fuel Sensor Circuit Range/Performance (Calif. Emissions)
P1133Air/Fuel Sensor Circuit Response (Calif. Emissions)
P1135Air/Fuel Sensor Heater Circuit (Calif. Emissions)
P1300 (3)Ignitor Circuit
P1335 (5)Crankshaft Position (CKP) Sensor Circuit
P1520Stoplight Switch Signal Circuit (A/T)
P1600ECM BATT Circuit
P1700 (4)Vehicle Speed Sensor No. 2 Malfunction
P1780Park/Neutral Position (PNP) Switch Circuit (A/T)
(1) Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM. (2) These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see ENGINE IMMOBILIZER SYSTEMS - 4RUNNER article in ACCESSORIES & EQUIPMENT. (3) If this code is set, ECM will enter fail-safe mode. (4) These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS. (5) MIL will not illuminate.
(1)Some codes are two-trip detection logic code(s). For more information, see TWO-TRIP DETECTION LOGIC under SELF-DIAGNOSTIC SYSTEM.
(2)These codes are for models equipped with engine immobilizer system. MIL will not illuminate. For testing procedures, see ENGINE IMMOBILIZER SYSTEMS - 4RUNNER article in ACCESSORIES & EQUIPMENT.
(3)If this code is set, ECM will enter fail-safe mode.
(4)These codes only apply to models with electronically controlled transmissions. For testing procedures, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(5)MIL will not illuminate.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (4RUNNER V6)

SUMMARY

If no diagnostic trouble codes are present, driveability symptoms exist or intermittents exist, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom (i.e., ROUGH IDLE, NO START, etc.) or intermittent procedures.