Section 249 (Engine Control System - Diagnosis)
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
- Definition Of Terms
- Part And System Name List
- Location
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Check For Intermittent Problems
- Basic Inspection
- List Of Disable A Monitor
- O2S Test Result
- O2S TEST RESULT Chart
- Checking Monitor Status
- Readiness Monitor Drive Pattern
- Problem Symptoms Table
- Terminals Of ECM
- Diagnosis System
- DTC Check/Clear
- Check Mode Procedure
- Fail-Safe Chart
- Data List/Active Test
- Diagnostic Trouble Code Chart
- DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1), DTC P0020 Camshaft Position "A" Actuator Circuit (Bank 2)
- DTC P0011: Camshaft Position "A" -Timing Over-Advanced Or System Performance (Bank 1), DTC P0012 Camshaft Position "A" -Timing Over-Retarded (Bank 1), DTC P0021 Camshaft Position "A" - Timing Over-Advanced Or System Performance (Bank 2), DTC P0022 Camshaft Position "A" - Timing Over-Retarded (Bank 2)
- DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A), DTC P0018 Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
- DTC P0031: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1), DTC P0032 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1), DTC P0051 Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1), DTC P0052 Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor 1)
- DTC P0037: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2), DTC P0038 Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2), DTC P0057 Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2), DTC P0058 Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2)
- DTC P0100: Mass Or Volume Air Flow Circuit, DTC P0102 Mass Or Volume Air Flow Circuit Low Input, DTC P0103 Mass Or Volume Air Flow Circuit High Input
- DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Problem
- DTC P0110: Intake Air Temperature Circuit, DTC P0112 Intake Air Temperature Circuit Low Input, DTC P0113 Intake Air Temperature Circuit High Input
- DTC P0115: Engine Coolant Temperature Circuit, DTC P0117 Engine Coolant Temperature Circuit Low Input, DTC P0118 Engine Coolant Temperature Circuit High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem
- DTC P0120: Throttle/Pedal Position Sensor/Switch "A" Circuit, DTC P0122 Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input, DTC P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High Input, DTC P0220 Throttle/Pedal Position Sensor/Switch "B" Circuit, DTC P0222 Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input, DTC P0223 Throttle/Pedal Position Sensor/Switch "B" Circuit High Input, DTC P2135 Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation
- 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: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2), DTC P0156 Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
- DTC P0171: System Too Lean (Bank 1), DTC P0172 System Too Rich (Bank 1), DTC P0174 System Too Lean (Bank 2), DTC P0175 System Too Rich (Bank 2)
- DTC P0300: Random/Multiple Cylinder Misfire Detected, DTC P0301 Cylinder 1 Misfire Detected, DTC P0302 Cylinder 2 Misfire Detected, DTC P0303 Cylinder 3 Misfire Detected, DTC P0304 Cylinder 4 Misfire Detected, DTC P0305 Cylinder 5 Misfire Detected, DTC P0306 Cylinder 6 Misfire Detected
- DTC P0325: Knock Sensor 1 Circuit (Bank 1 Or Single Sensor), DTC P0327 Knock Sensor 1 Circuit Low Input (Bank 1 Or Single Sensor), DTC P0328 Knock Sensor 1 Circuit High Input (Bank 1 Or Single Sensor), DTC P0330 Knock Sensor 2 Circuit (Bank 2), DTCP0332 Knock Sensor 2 Circuit Low Input (Bank 2), DTC P0333 Knock Sensor 2 Circuit High Input (Bank 2)
- DTC P0335: Crankshaft Position Sensor "A" Circuit, DTC P0339 Crankshaft Position Sensor "A" Circuit Intermittent
- DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor), DTC P0341 Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 Or Single Sensor), DTC P0345 Camshaft Position Sensor "A" Circuit (Bank 2), DTC P0346 Camshaft Position Sensor "A" Circuit Range/Performance (Bank 2)
- DTC P0351: Ignition Coil "A" Primary/Secondary Circuit, DTC P0352 Ignition Coil "B" Primary/Secondary Circuit, DTC P0353 Ignition Coil "C" Primary/Secondary Circuit, DTC P0354 Ignition Coil "D" Primary/Secondary Circuit, DTC P0355 Ignition Coil "E" Primary/Secondary Circuit, DTC P0356 Ignition Coil "F" Primary/Secondary Circuit
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1), DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2)
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow, DTC P0442 Evaporative Emission Control System Leak Detected (Small Leak), DTC P0446 Evaporative Emission Control System Vent Control Circuit, DTC P0455 Evaporative Emission Control System Leak Detected (Gross Leak), DTC P0456 Evaporative Emission Control System Leak Detected (Very Small Leak)
- DTC P0451: Evaporative Emission Control System Pressure Sensor Range/Performance, DTC P0452 Evaporative Emission Control System Pressure Sensor/Switch Low Input, DTC P0453 Evaporative Emission Control System Pressure Sensor/Switch High Input
- DTC P0500: Vehicle Speed Sensor "A", DTC 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: Internal Control Module Random Access Memory (Ram) Error, DTC P0606 ECM/Pcm Processor, DTC P0607 Control Module Performance, DTC P0657 Actuator Supply Voltage Circuit/Open
- DTC P0617: Starter Relay Circuit High
- DTC P2102: Throttle Actuator Control Motor Circuit Low, DTC P2103 Throttle Actuator Control Motor Circuit High
- DTC P2111: Throttle Actuator Control System - Stuck Open, DTC P2112 Throttle Actuator Control System - Stuck Closed
- DTC P2118: Throttle Actuator Control Motor Current Range/Performance
- DTC P2119: Throttle Actuator Control Throttle Body Range/Performance
- DTC P2120: Throttle/Pedal Position Sensor/Switch "D" Circuit, DTC P2122 Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input, DTC P2123 Throttle/Pedal Position Sensor/Switch "D" Circuit High Input, DTC P2125 Throttle/Pedal Position Sensor/Switch "E" Circuit, DTC P2127 Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input, DTC P2128 Throttle/Pedal Position Sensor/Switch "E" Circuit High Input, DTC P2138 Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation
- DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance
- DTC P2195: Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1), DTC P2196 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1), DTC P2197 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1), DTC P2198 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1)
- DTC P2237: Oxygen Sensor Pumping Current Circuit/Open (For A/F Sensor) (Bank 1 Sensor 1), DTC P2238 Oxygen Sensor Pumping Current Circuit Low (For A/F Sensor) (Bank 1 Sensor 1), DTC P2239 Oxygen Sensor Pumping Current Circuit High (For A/F Sensor) (Bank 1 Sensor 1), DTC P2240 Oxygen Sensor Pumping Current Circuit/Open (For A/F Sensor) (Bank 2 Sensor 1), DTC P2241 Oxygen Sensor Pumping Current Circuit Low (For A/F Sensor) (Bank 2 Sensor 1), DTC P2242 Oxygen Sensor Pumping Current Circuit High (For A/F Sensor) (Bank 2 Sensor 1), DTC P2251 Oxygen Sensor Reference Ground Circuit/Open (For A/F Sensor) (Bank 1 Sensor 1), DTC P2252 Oxygen Sensor Reference Ground Circuit Low (For A/F Sensor)(Bank 1 Sensor 1), DTC P2253 Oxygen Sensor Reference Ground Circuit High (For A/F Sensor) (Bank 1 Sensor 1), DTC P2254 Oxygen Sensor Reference Ground Circuit/Open (For A/F Sensor) (Bank 2 Sensor 1), DTC P2255 Oxygen Sensor Reference Ground Circuit Low (For A/F Sensor) (Bank 2 Sensor 1), DTC P2256 Oxygen Sensor Reference Ground Circuit High (For A/F Sensor) (Bank 2 Sensor 1)
- Notes
- Circuit Description
- Monitor Description
- Monitor Strategy
- Typical Enabling Conditions
- Typical Malfunction Thresholds
- P2238 (A/F sensor open circuit between AF+ and AF-):
- P2238 (A/F sensor short circuit between AF+ and AF-):
- P2238 (A/F sensor short circuit between AF+ and GND):
- P2239 (A/F sensor short circuit between AF+ and +B):
- P2252 (A/F sensor short circuit between AF- and GND):
- P2253 (A/F sensor short circuit between AF- and +B):
- Wiring Diagram
- Inspection Procedure
- DTC P2A00: A/F Sensor Circuit Slow Response (Bank 1 Sensor 1), DTC P2A03 A/F Sensor Circuit Slow Response (Bank 2 Sensor 1)
- ACIS Control Circuit
- Air Intake Control Circuit
- Active Control Engine Mount
- ECM Power Source Circuit
- Fuel Pump Control Circuit
- Mil Circuit