Lexus NX: Sfi System
- Precaution
- Definition Of Terms
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- Check For Intermittent Problems
- Basic Inspection
- Registration
- Initialization
- Checking Monitor Status
- Readiness Monitor Drive Pattern
- Problem Symptoms Table
- Terminals Of Ecm
- Diagnosis System
- Dtc Check / Clear
- Freeze Frame Data
- Check Mode Procedure
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Control History
- Camshaft Position "A" Actuator Circuit (Bank 1) (P0010)
- Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1) (P0011,P0012)
- Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) (P0016)
- Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1) (P0031,P0032,P101D)
- Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) (P0037,P0038,P0141,P102D)
- EVAP System Tank Vapor Line Restricted/Blocked (P00FE)
- Mass Air Flow Circuit Range / Performance Problem (P0101)
- Mass Air Flow Circuit Low (P0102,P0103)
- Manifold Absolute Pressure Circuit Problem (P0106)
- Manifold Absolute Pressure / Barometric Pressure Circuit Low Input (P0107,P0108)
- Intake Air Temperature Sensor 1 Circuit Range / Performance (P0111)
- Intake Air Temperature Circuit Low Input (P0112,P0113)
- Engine Coolant Temperature Circuit (P0115,P0117,P0118)
- Engine Coolant Temperature Circuit Range / Performance (P0116)
- Engine Coolant Temperature / Intake Air Temperature Correlation (P011B)
- Throttle Pedal Position Sensor / Switch "A" Circuit (P0120-P0123,P0220,P0222,P0223,P2135)
- Insufficient Coolant Temperature for Closed Loop Fuel Control (P0125)
- Thermostat (P0128)
- Oxygen Sensor Circuit (Bank 1 Sensor 2) (P0136-P0139,P013A)
- A/F Sensor Slow Response - Rich to Lean Bank 1 Sensor 1 (P014C,P014D,P015A,P015B)
- System Too Lean (Bank 1) (P0171,P0172)
- Random / Multiple Cylinder Misfire Detected (P0300-P0304)
- Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) (P0327,P0328)
- Crankshaft Position Sensor "A" Circuit (P0335)
- Camshaft Position Sensor Circuit (P0340,P0342,P0343)
- Ignition Coil "A" Primary / Secondary Circuit (P0351-P0354)
- Exhaust Gas Recirculation Flow Insufficient Detected (P0401)
- Exhaust Gas Recirculation Control Circuit (P0403)
- Catalyst System Efficiency Below Threshold (Bank 1) (P0420)
- Evaporative Emission System Leak Detection Reference Orifice Low Flow (P043E,P043F,P2401,P2402,P2419)
- Evaporative Emission Control System Incorrect Purge Flow (P0441)
- Evaporative Emission Control System Pressure Sensor Range / Performance (P0451-P0453)
- Evaporative Emission Control System Leak Detected (Gross Leak) (P0455,P0456)
- Fuel Level Sensor "A" Circuit Range / Performance (P0461)
- Fuel Level Sensor "A" Circuit Low (P0462,P0463)
- Idle Control System (P0505)
- Cold Start Idle Air Control System Performance (P050A)
- Cold Start Ignition Timing Performance (P050B)
- System Voltage (P0560)
- Random Access Memory (RAM) (P0604)
- ECM / PCM Processor (P0606)
- Control Module Performance (P0607)
- Internal Control Module Monitoring Processor Performance (P060A)
- Internal Control Module A/D Processing Performance (P060B)
- Internal Control Module Throttle Position Performance (P060E)
- Internal Control Module EEPROM Error (P062F)
- VIN not Programmed or Mismatch - ECM / PCM (P0630)
- Actuator Supply Voltage Circuit / Open (P0657)
- Evaporative Emission System Pressure Sensor - Manifold Absolute Pressure Correlation (P106A)
- Startability Malfunction (P1604)
- Rough Idling (P1605)
- Throttle Actuator Control Motor Circuit Low (P2102,P2103)
- Throttle / Pedal Position Sensor "A" Minimum Stop Performance (P2109)
- Throttle Actuator Control System - Stuck Open (P2111,P2112)
- Throttle Actuator Control Motor Current Range / Performance (P2118)
- Throttle Actuator Control Throttle Body Range / Performance (P2119)
- Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1) (P2195,P2196)
- Bank 1 Air-Fuel Ratio Imbalance (P219A,P219C-P219F)
- Oxygen (A/F) Sensor Pumping Current Circuit / Open (for A/F sensor) (Bank 1 Sensor 1) (P2237-P2239,P2252,P2253)
- Evaporative Emission Pressure Switching Valve Stuck OFF (P2420)
- ECM / PCM Internal Engine Off Timer Performance (P2610)
- Poor Engine Power (P3190,P3191)
- Fuel Run Out (P3193)
- Lost Communication with Instrument Panel Cluster Control Module (Combination Meter) (U0155)
- Lost Communication with Hybrid Vehicle Control System (U0293)
- EVAP System
- ECM Power Source Circuit
- VC Output Circuit
- Fuel Pump Control Circuit
- Fuel Injector Circuit
- MIL Circuit
- Rough Idling
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Precaution
PRECAUTION INITIALIZATION NOTICE: Perform Registration (VIN registration) when replacing the ECM. Click here DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE:
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Definition Of Terms
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Parts Location
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