Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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
- Diagnosis System
- Dtc Check / Clear
- Freeze Frame Data
- Terminals Of Ecm
- Check Mode Procedure
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- A Camshaft Position Actuator Bank 1 Circuit Open (P001013,P002013)
- Camshaft Position "A" - Timing Over-Advanced or System Performance Bank 1 (P001100,P001200,P002100,P002200)
- Camshaft Position "A" - Timing Over-Advanced or System Performance Bank 1 Mechanical Failure (P001107,P002107)
- Camshaft Position "B" - Actuator Bank 1 Circuit Open (P001313,P002313)
- Camshaft Position "B" - Timing Over-Advanced or System Performance Bank 1 (P001400,P001500,P002400,P002500)
- Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A (P001600,P001800)
- Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor B (P001700,P001900)
- HO2S Heater Control Bank 1 Sensor 1 Circuit Short to Battery (P003012,P003013,P005012,P005013,P101A9E,P103A9E)
- HO2S Heater Control Circuit Bank 1 Sensor 2 Circuit Short to Battery (P003612,P003614,P005612,P005614,P014118,P016118,P102A9E,P105A9E)
- Fuel Rail / System Pressure - Too Low (P008700)
- Fuel Rail / System Pressure - Too High (P008800)
- Low Pressure Fuel System Pressure - Too Low (P008A00)
- Low Pressure Fuel System Pressure - Too High (P008B00)
- EVAP System Tank Vapor Line Restricted/Blocked (P00FE00)
- Mass or Volume Air Flow Sensor "A" Circuit Short to Battery (P010012,P010014)
- Mass or Volume Air Flow Sensor "A" Signal Plausibility Failure (P010064)
- Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground (P011011)
- Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open (P011015)
- Intake Air Temperature Sensor 1 Bank 1 Signal Stuck in Range (P01102A)
- Engine Coolant Temperature Sensor 1 Circuit Short to Ground (P011511)
- Engine Coolant Temperature Sensor 1 Circuit Short to Battery or Open (P011515)
- Engine Coolant Temperature / Intake Air Temperature Signal Compare Failure (P011B62)
- Engine Coolant Temperature Sensor 1 Signal Stuck in Range (P01152A)
- Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Ground (P012011,P012015,P01201C,P022011,P022015,P21352B)
- Insufficient Coolant Temperature for Closed Loop Fuel Control (P012500)
- Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) (P012800,P012807)
- O2 Sensor Circuit Bank 1 Sensor 2 Circuit Short to Ground (P013611,...,P015623)
- O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 1 (P014C00-P014F00,P015A00-P015D00)
- System Too Lean Bank 1 (P017100,P017200,P017400,P017500,P117000,P117B00)
- Fuel Rail Pressure Sensor "A" Circuit Short to Ground (P019011)
- Fuel Rail Pressure Sensor "A" Circuit Short to Battery or Open (P019015)
- Fuel Rail Pressure Sensor "A" Signal Stuck in Range (P01902A,P019064)
- Cylinder 1 Injector "A" Circuit Open (P020113-P020613,P062D13)
- Random/Multiple Cylinder Misfire Detected (P030000,P030027,P030085-P030600)
- Knock Sensor 1 Bank 1 or Single Sensor Circuit Short to Ground (P032511,P033011)
- Knock Sensor 1 Bank 1 or Single Sensor Circuit Short to Battery or Open (P032515,P033015)
- Crankshaft Position Sensor "A" Circuit Short to Ground (P033511,P033515,P03351F,P03352A,P033531)
- Camshaft Position Sensor "A" Bank 1 or Single Sensor Circuit Short to Ground (P034011,P034015,P034031,P034511,P034515,P034531)
- Camshaft Position Sensor "B" Bank 1 Circuit Short to Ground (P036511,P036515,P03652A,P036531,P039011,P039015,P039031)
- Evaporative Emission System Leak Detection Reference Orifice Low Flow (P043E00,P043F00,P24007E,P24007F,P24187E)
- Catalyst System Efficiency Below Threshold Bank 1 (P042000,P043000)
- Evaporative Emission System Incorrect Purge Flow Actuator Stuck On (P04417E,P04417F,P04419C)
- Evaporative Emission System Pressure Sensor/Switch Circuit Short to Ground (P045011,P045015,P04502A,P04502F)
- Evaporative Emission System Leak Detected (Large Leak) (P045500,P045600)
- Fuel Level Sensor "A" Circuit Short to Battery (P046012,P046014)
- Fuel Level Sensor "A" Signal Stuck In Range (P04602A)
- Vehicle Speed Sensor "A" No Signal (P050031)
- Idle Control System (P050500)
- Cold Start Idle Control System Performance (P050A00)
- Brake Switch "A"/"B" Signal Cross Coupled (P05042B)
- Cold Start Ignition Timing Performance (P050B00)
- System Voltage Circuit Short to Ground or Open (P056014)
- Thermostat Heater Control Circuit Short to Battery (P059712)
- Thermostat Heater Control Circuit Short to Ground or Open (P059714)
- Internal Control Module Random Access Memory (RAM) Error Data Memory Failure (P060444)
- Control Module Performance Bank 2 Component Internal Failure (P060596,P060796)
- Control Module Processor System Internal Failure (P060604,P060629,P060647)
- Internal Control Module Monitoring Processor Performance Watchdog/Safety MCU Failure (P060A47)
- Internal Control Module A/D Processing Performance Internal Electronic Failure (P060B49)
- Internal Control Module Accelerator Pedal Position Performance Internal Electronic Failure (P060D49)
- Internal Control Module Throttle Position Performance Internal Electronic Failure (P060E49,P061E49)
- Internal Control Module EEPROM Data Memory Failure (P062F44)
- Starter Relay Circuit Short to Battery (P061512)
- VIN Not Programmed (P063051)
- Actuator Supply Voltage "A" Circuit Short to Ground or Open (P065714)
- Actuator Supply Voltage "A" Stuck On (P06579E)
- Brake Switch "B" Circuit Short to Battery (P070312)
- Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Circuit Short to Ground (P107A11)
- Transmission Range Sensor "A" Circuit Open (P070513,P070562)
- Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Circuit Short to Battery or Open (P107A15)
- Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Signal Stuck in Range (P107A2A,P107A64)
- Bank 1 Air-Fuel Ratio Imbalance (Port) (P11EA00,...,P21A100)
- High Pressure Fuel Pump Circuit Open (P123513)
- Engine Stall History (P160300)
- Startability Malfunction (P160400)
- Rough Idling (P160500)
- Cruise Control Input Processor (P160700)
- Throttle Actuator "A" Control Motor Circuit Current Below Threshold (P210018,P210019)
- Throttle/Pedal Position Sensor "A" Minimum Stop Performance (P210900)
- Throttle Actuator "A" Control System Actuator Stuck Open (P211172,P211173)
- Throttle Actuator "A" Control Throttle Body Range/Performance (P211900,P211904,P211977)
- Throttle/Pedal Position Sensor/Switch "D" Circuit Short to Battery (P212012,P212014,P21201F,P212512,P212514,P21251F,P21382B)
- Throttle/Pedal Position Sensor/Switch "D" Circuit Voltage Out of Range (P21201C,P212099)
- A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold (P219519,P219524,P219618,P219623,P219719,P219724,P219818,P219823)
- Cylinder 1 Injector "B" Circuit Open (P21CF13,P21D013-P21D413)
- A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Ground (P223711,...,P225412)
- Evaporative Emission System Switching Valve Control Circuit Actuator Stuck Off (P24187F)
- ECM/PCM Engine Off Timer Performance Signal Invalid (P261029,P261093)
- Lost Communication with TCM Missing Message (U010187)
- Lost Communication with Cruise Control Module Missing Message (U010487)
- Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message (U015587)
- Active Control Engine Mount System
- ECM Power Source Circuit
- EVAP System
- Fuel Pump Control Circuit
- Starter Signal Circuit
- VC Output Circuit
- ACIS Control Circuit
- Brake Override System
- MIL Circuit
- Ignition Circuit
- Drive Start Control
- Rough Idling
- Engine Difficult to Start
- Engine Stalls
- Lack of Power
Relay
On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT INJECTOR RELAY (INJ) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connectio ...
Precaution
PRECAUTION INITIALIZATION NOTICE:
Before replacing the ECM, refer to Registration.
Click here
Perform Registration (VIN registration) after replacing the ECM.
Click here
Make sure to perfo ...
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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