Engine - Diagnostics
- Precaution
- Definition Of Terms
- TOYOTA Part And System Name List
- Location
- System Diagram
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Check For Intermittent Problems
- Basic Inspection
- Registration
- List Of Disable A Monitor
- O2S Test Result
- Checking Monitor Status
- Readiness Monitor Drive Pattern
- Problem Symptoms Table
- Terminals Of ECM
- Diagnosis System
- Diagnostic Trouble Codes Check / Clear
- Check Mode Procedure
- Fail-Safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Circuit Inspection
- DTC P0010, P0020: Camshaft Position "A" Actuator circuit (Bank 1 & 2)
- DTC P0011, P0012, P0021, P0022: Camshaft Position "A" -Timing Over-Actuator or System Performance/Timing Over-Retarded (Bank 1 & 2)
- DTC P0016, P0018: Crankshaft Position - Camshaft Position Correlation (Bank 1 & 2 Sensor A)
- DTC P0031, P0032, P0051, P0052: Oxygen (A/F) Sensor Heater Control Circuit Low/High (Bank 1 & 2 Sensor 1)
- DTC P0037, P0038, P0057, P0058: Oxygen Sensor Heater Control Circuit Low/High (Bank 1 & 2 Sensor 2)
- DTC P0100, P0102, P0103: Mass or Volume Air Flow Circuit Low/High Input
- DTC P0101: Mass or Volume Air Flow Circuit Range/Performance Problem
- DTC P0110, P0112, P0113: Intake Air Temperature Circuit Low/High Input
- DTC P0115, P0117, P0118: Engine Coolant Temperature Circuit/Low/High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem
- DTC P0120, P0122, P0123, P0220, P0222, P0223, P2135: Throttle/Pedal Position Sensor/Switch "A & B" Circuit Low/High Input & Throttle/Pedal Position Sensor/Switch "A & B" Voltage Correction
- DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
- DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0136, P0137, P0138, P0156, P0157, P0158: Oxygen Sensor Circuit Malfunction Low/High Voltage (Bank 1 & 2 Sensor 2)
- DTC P0171, P0172, P0174, P0175: System too Lean/Rich (Bank 1 & 2)
- DTC P0230: Fuel Pump Primary Circuit
- DTC P0300, P0301, P0302, P0303, P0304, P0305, P030, P0307, P0308: Random/Multiple Cylinder Misfire Detected & Cylinder 1-8 Misfire Detected
- Typical Malfunction Thresholds
- DTC P0325, P0327, P0328, P0330, P0332, P0333: Knock Sensor 1 & 2 Circuit Low/High Input (Bank 1 & 2 or Single Sensor)
- DTC P0335, P0339: Crankshaft Position Sensor "A" Circuit Intermittent
- DTC P0340, P0341, P0345, P0346: Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 & 2 or Single Sensor)
- DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358: Igniter Coil "A-H" Primary/Secondary Circuit
- DTC P0412: Secondary Air Injection System Air Switching Valve "A" Circuit
- DTC P0418: Air Injection System Air Pump Malfunction
- DTC P0420, P0430: Catalyst System Efficiency Below Threshold (Bank 1 & 2)
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow
- DTC P0450, P0451, P0452, P0453: Evaporative Emission Control System Pressure Sensor/Switch Range/Performance Low/High Input
- DTC P0455, P0456: Evaporative Emission Control System Leak Detected (Gross Leak/Very Small Leak)
- DTC P0500, P0503: Vehicle Speed Sensor "A" Intermittent/Erratic/High
- DTC P0504: Brake Switch "A"/"B" Correlation
- DTC P0505: Idle Air Control System
- DTC P0560: System Voltage
- DTC P0604, P0606, P0607, P0657: Internal Control Module Random Access Memory (RAM) Error, ECM/PCM Processor, Control Module Performance & Actuator Supply Voltage Circuit/Open
- DTC P0617: Starter Relay Circuit High
- DTC P0630: VIN not Programmed or Mismatch ECM/PCM
- DTC P1340, P1341: Camshaft Position Sensor "A" (Bank Sensor 1)
- DTC P1440, P1443: Secondary Air Injection System Control Valve Circuit Bank 1 & 2
- DTC P1441, P1444, P2440: Secondary Air Injection System Switching Valve No. 2 Stuck Open Bank 1 & 2
- DTC P1442, P1445, P2441: Secondary Air Injection System Switching Valve No. 2 Stuck Close Bank 1 & 2\
- DTC P1613: Air Injection System Air Injection Driver
- DTC P2102, P2103: Throttle Actuator Control Motor Circuit Low/High
- DTC P2111, P2112: Throttle Actuator Control System-Stuck Open/Closed
- DTC P2118: Throttle Actuator Control Motor Current Range/Performance
- DTC P2119: Throttle Actuator Control Throttle Body Range/Performance
- DTC P2120, P2122, P2123, P2125, P2127, P2128, P2138: Throttle/Pedal Position Sensor/Switch "D & E" Circuit Low/High Input & Throttle/Pedal Position Sensor/Switch "D & E" Voltage Correlation
- DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance
- DTC P2195, P2196, P2197, P2198: Oxygen (A/F) Sensor Signal Stuck Lean/Rich (Bank 1 & 2 Sensor 1)
- DTC P2238, P2239, P2241, P2242, P2252, P2253, P2255, P2256: Oxygen Sensor Pumping Current Circuit Low/High (For A/F Sensor) (Bank 1 & 2 Sensor1) & Oxygen Sensor Reference Ground Circuit Low/High (For A/F Sensor) (Bank 1 & 2 Sensor1)
- DTC P2401, P2402: Evaporative Emission System Leak Detection Pump Control Circuit Low/High
- DTC P2419, P2420: Evaporate Emission System Switching Valve Control Circuit Low/High
- DTC P2430, P243, P2432, P2433: Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance Low/High Bank 1
- DTC P2444, P2445: Secondary Air Injection System Pump Stuck ON/OFF Bank 1
- DTC P2610: ECM/PCM Internal Engine OFF Timer Performance
- DTC U0001: High Speed Can Communication Circuit
- DTC P043E, P043F: Evaporate Emission System Reference Orifice Clog Up/High Flow
- DTC P2A00, P2A03: A/F Sensor Circuit Slow Response (Bank 1 & 2 Sensor 1)
- EVAP (Evaporative Emission) Inspection Procedure
- ECM Power Source Circuit
- IACV Control Circuit
- Cranking Hold Function Circuit
- Fuel Pump Control Circuit
- MIL Circuit