Toyota Camry (XV70): 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
- 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 Sensor 1 Signal Stuck in Range (P01152A)
- Engine Coolant Temperature / Intake Air Temperature Signal Compare Failure (P011B62)
- Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Ground (P012011)
- Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Battery or Open (P012015)
- Throttle / Pedal Position Sensor / Switch "A" Circuit Voltage Out of Range (P01201C)
- 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)
- Throttle/Pedal Position Sensor/Switch "B" Circuit Short to Ground (P022011)
- Throttle/Pedal Position Sensor/Switch "B" Circuit Short to Battery or Open (P022015)
- 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)
- Crankshaft Position Sensor "A" Circuit Intermittent (P03351F,P03352A,P033531)
- Camshaft Position Sensor "A" Bank 1 or Single Sensor Circuit Short to Ground (P034011,P034015,P034511,P034515)
- Camshaft Position Sensor "A" Bank 1 or Single Sensor No Signal (P034031,P034531)
- Camshaft Position Sensor "B" Bank 1 Circuit Short to Ground (P036511,P036515,P039011,P039015)
- Camshaft Position Sensor "B" Bank 1 Signal Stuck in Range (P03652A,P036531,P039031)
- Catalyst System Efficiency Below Threshold Bank 1 (P042000,P043000)
- Evaporative Emission System Leak Detection Reference Orifice Low Flow (P043E00,P043F00,P24007E,P24007F,P24187E)
- 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)
- Brake Switch "A"/"B" Signal Cross Coupled (P05042B)
- Idle Control System (P050500)
- Cold Start Idle Control System Performance (P050A00)
- 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,P06062A,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)
- Starter Relay Circuit Short to Battery (P061512)
- Internal Control Module EEPROM Data Memory Failure (P062F44)
- 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)
- Transmission Range Sensor "A" Circuit Open (P070513,P070562)
- Fuel Rail Pressure Sensor (Low) Circuit Short to Ground (P107A11)
- Fuel Rail Pressure Sensor (Low) Circuit Short to Battery or Open (P107A15)
- Fuel Rail Pressure Sensor (Low) 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,P21201C,P21201F,P212099,P212512,P212514,P21251F,P21382B)
- Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation Signal Cross Coupled (P21352B)
- 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 Brake System Control Module Missing Message (U012987)
- Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message (U015587)
- Active Control Engine Mount System
- EVAP System
- ECM Power Source Circuit
- VC Output Circuit
- Fuel Pump Control Circuit
- Starter Signal 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
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Precaution
PRECAUTION INITIALIZATION
NOTICE:
Before replacing the ECM, refer to Registration.
Click here
Perform Registration (VIN registration) after replacing the ECM.
Click here
Perform L
Definition Of Terms
DEFINITION OF TERMS
Term Definition
Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details).
Related DTCs
Parts Location
PARTS LOCATION ILLUSTRATION
*1 FRONT ENGINE MOUNTING INSULATOR
*2 REAR ENGINE MOUNTING INSULATOR
*3 CANISTER
*4 FUEL PUMP (for Low Pressure Side)
*5 MAS
SEE MORE:
Lost Communication with Power Source Control (B278C)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for 10 seconds or more.
DTC No. Detection Item
DTC Detection Condition Trouble Area
B278C Lost Communication with Power Source
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the susp
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