Lexus RX (RX 350L, RX450h) 2016-2026 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) 2016-2026 Repair Manual > Sfi System: Engine Difficult to Start
DESCRIPTION Problem Symptom Suspected Area Trouble Area
Engine speed fluctuation due to abnormal combustion
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Strong engine vibration due to above symptoms
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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Airbag System: Short in Passenger Side Front Seat Cushion Squib Circuit (B1875-B1878)
DESCRIPTION The passenger side front seat cushion squib circuit consists of the airbag sensor assembly and front seat cushion airbag assembly RH. The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs are stored when a malfunction is detected ...
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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