MULTIPORT Fuel Injection - 2.4L
- General Description
- MULTIPORT Fuel Injection (MFI) Diagnosis
- Troubleshooting Strategy
- Diagnostic Function
- Notes
- Malfunction Indicator Lamp (Service Engine Soon Or Check Engine Lamp)
- How To Connect The Scan Tool (Mut-III)
- How To Read And Erase Diagnostic Trouble Code
- PROVISIONAL DTCs [SCAN TOOL MB991958 OBD-II Test Mode - Results (Mode 7)]
- Mode 6 Reference Table
- Diagnostic By Diagnostic Test Mode II (Increased Sensitivity)
- Inspection Using Scan Tool MB991958, Data List And Actuator Testing
- On-Board Diagnostics
- OBD- II Drive Cycle
- System Readiness Test Status
- Fail-Safe Function Reference Table
- Diagnostic Trouble Code Chart
- Symptom Chart
- Problem Symptoms Table (For Your Information)
- Diagnostic Trouble Code Procedures
- DTC P0101: Volume Airflow Circuit Range/Performance Problem
- Notes
- Circuit Operation
- Technical Description
- Descriptions Of Monitor Methods
- Monitor Execution
- MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
- DTC SET CONDITIONS < Range/Performance problem-high input >
- DTC SET CONDITIONS < Range/Performance problem-low input>
- OBD-II Drive Cycle Pattern
- TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
- Diagnosis
- DTC P0102: Volume Airflow Circuit Low Input
- DTC P0106: Manifold Absolute Pressure Circuit Range/Performance Problem
- Notes
- Circuit Operation
- Technical Description
- Descriptions Of Monitor Methods
- Monitor Execution
- MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
- DTC SET CONDITIONS < Range/Performance problem-high input>
- DTC SET CONDITIONS < Range/Performance problem-low input>
- OBD-II Drive Cycle Pattern
- TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
- Diagnosis
- DTC P0107: Manifold Absolute Pressure Circuit Low Input
- DTC P0108: Manifold Absolute Pressure Circuit High Input
- DTC P0111: Intake Air Temperature Circuit Range/Performance Problem
- DTC P0112: Intake air temperature Circuit Low Input
- DTC P0113: Intake air temperature Circuit High input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem
- DTC P0117: Engine Coolant Temperature Circuit Low Input
- DTC P0118: Engine Coolant Temperature Circuit High Input
- DTC P0121: Throttle Position Sensor Circuit Range/Performance Problem
- Notes
- Circuit Operation
- Technical Description
- Descriptions Of Monitor Methods
- Monitor Execution
- MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
- DTC SET CONDITIONS < Range/Performance problem-Relation between main and sub>
- DTC SET CONDITIONS < Range/Performance problem-relation between main and sub>
- OBD-II Drive Cycle Pattern
- TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
- Diagnosis
- DTC P0122: Throttle Position Sensor Circuit Low Input
- DTC P0123: Throttle Position Sensor Circuit High Input
- DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
- Notes
- Circuit Operation
- Technical Description
- Descriptions Of Monitor Methods
- Monitor Execution
- MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
- DTC SET CONDITIONS < Range/Performance problem-low input (time to reach closed loop temperature) >
- DTC SET CONDITIONS < Range/Performance problem-drift>
- OBD-II Drive Cycle Pattern
- TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
- Diagnosis
- DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0130: Heated Oxygen Sensor Circuit (sensor 1)
- DTC P0131: Heated Oxygen Sensor Circuit Low Voltage (sensor 1)
- DTC P0132: Heated Oxygen Sensor Circuit High Voltage (sensor 1)
- DTC P0133: Heated Oxygen Sensor Circuit Slow Response (sensor 1)
- DTC P0134: Heated Oxygen Sensor Circuit No Activity Detected (sensor 1)
- DTC P0135: Heated Oxygen Sensor Heater Circuit (sensor 1)
- DTC P0136: Heated Oxygen Sensor Circuit (sensor 2)
- DTC P0137: Heated Oxygen Sensor Circuit Low Voltage (sensor 2)
- DTC P0138: Heated Oxygen Sensor Circuit High Voltage (sensor 2)
- DTC P0139: Heated Oxygen Sensor Circuit Slow Response (sensor 2)
- DTC P0141: Heated Oxygen Sensor Heater Circuit (sensor 2)
- DTC P0171: System too Lean System too Lean Circuit
- DTC P0172: System too Rich System
- DTC P0181: Fuel Tank Temperature Sensor Circuit Range/Performance
- DTC P0182: Fuel Tank Temperature Sensor Circuit Low Input
- DTC P0183: Fuel Tank Temperature Sensor Circuit High Input
- DTC P0201: Injector Circuit - Cylinder 1, DTC P0202: Injector Circuit - Cylinder 2, DTC P0203: Injector Circuit - Cylinder 3, DTC P0204: Injector Circuit - Cylinder 4
- DTC P0300: Random/Multiple Cylinder Misfire Detected Random Misfire Circuit
- 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 P0325: Knock Sensor Circuit
- DTC P0335: Crankshaft Position Sensor Circuit
- Notes
- Circuit Operation
- Technical Description
- Descriptions Of Monitor Methods
- Monitor Execution
- MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
- DTC SET CONDITIONS < Range/Performance problem-alignment>
- DTC SET CONDITIONS < Circuit Continuity>
- OBD-II Drive Cycle Pattern
- TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
- Diagnosis
- DTC P0340: Camshaft Position Sensor Circuit
- Notes
- Circuit Operation
- Technical Description
- Descriptions Of Monitor Methods
- Monitor Execution
- MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)
- DTC SET CONDITIONS < Rationality-alignment>
- DTC SET CONDITIONS < Circuit continuity>
- OBD-II Drive Cycle Pattern
- TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:)
- Diagnosis
- DTC P0401: EGR Flow Insufficient Detected
- DTC P0403: EGR Control circuit
- DTC P0421: Warm Up Catalyst Efficiency Below Threshold
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow
- DTC P0442: Evaporative Emission Control System Leak Detected (Small Leak)
- DTC P0443: Evaporative Emission Control System Purge Control Valve Circuit
- DTC P0446: Evaporative Emission Control System Vent Control Malfunction
- DTC P0451: Evaporative Emission Control System Pressure Sensor Range/Performance
- DTC P0452: Evaporative Emission Control System Pressure Sensor Low Input
- DTC P0453: Evaporative Emission Control System Pressure Sensor High Input
- Notes
- Circuit Operation
- Technical Description
- Descriptions Of Monitor Methods
- Monitor Execution
- MONITOR EXECUTION CONDITIONS (Other Monitor and Sensor)
- Sensor (The sensors below are determined to be normal)
- LOGIC FLOW CHARTS (Monitor Sequence)
- DTC Set Conditions
- OBD-II Drive Cycle Pattern
- Troubleshooting Hints
- Overview Of Troubleshooting
- Diagnosis
- DTC P0455: Evaporative Emission Control System Leak Detected (Gross Leak)
- DTC P0456: Evaporative Emission Control System Leak Detected (Very Small Leak)
- DTC P0461: Fuel Level Sensor Circuit Range/Performance
- DTC P0500: Vehicle Speed Sensor Malfunction < M/T >
- DTC P0506: Idle Control System RPM Lower Than Expected
- DTC P0507: Idle Control System RPM Higher Than Expected
- DTC P0513: immobilizer Malfunction
- DTC P0551: Power Steering Pressure Sensor Circuit Range/Performance
- DTC P0554: Power Steering Pressure Switch Circuit Intermittent
- DTC P0622: Generator FR Terminal Circuit Malfunction
- DTC P1603: Battery Backup Line Malfunction
- DTC P2227: Barometric Pressure Circuit Range/Performance Problem
- DTC P2228: Barometric Pressure Circuit Low Input
- DTC P2229: Barometric Pressure Circuit High Input
- DTC P0101: Volume Airflow Circuit Range/Performance Problem
- Symptom Procedures
- INSPECTION PROCEDURE 1: Communication with Scan Tool Is Not Possible. (Communication with All Systems Is Not Possible.)
- INSPECTION PROCEDURE 2: Communication with Scan Tool Is Not Possible (Communication with ECM or PCM Only is Not Possible)
- INSPECTION PROCEDURE 3: The Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp) Does Not Illuminate Right after the Ignition Switch Is Turned to the "ON" Position.
- INSPECTION PROCEDURE 4: The Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp) Remains Illuminated and Never Goes Out.
- INSPECTION PROCEDURE 5: Cranks, Won't Start
- INSPECTION PROCEDURE 6: Fires Up and Dies.
- INSPECTION PROCEDURE 7: Hard Starting
- INSPECTION PROCEDURE 8: Unstable Idle (Rough Idle, Hunting).
- INSPECTION PROCEDURE 9: Idle speed is high (improper idle speed).
- INSPECTION PROCEDURE 10: Idle Speed Is Low (Improper Idle Speed).
- INSPECTION PROCEDURE 11: When the engine is cold, it stalls at idle (die out).
- INSPECTION PROCEDURE 12: When the Engine Is Hot, It Stalls at Idle (Die Out).
- INSPECTION PROCEDURE 13: The Engine Stalls when Accelerating (Pass Out).
- INSPECTION PROCEDURE 14: The engine stalls when decelerating.
- INSPECTION PROCEDURE 15: Hesitation, sag or stumble.
- INSPECTION PROCEDURE 16: Acceleration shock.
- INSPECTION PROCEDURE 17: Deceleration Shock
- INSPECTION PROCEDURE 18: Poor acceleration.
- INSPECTION PROCEDURE 19: Surge.
- INSPECTION PROCEDURE 20: Knocking
- INSPECTION PROCEDURE 21: Dieseling.
- INSPECTION PROCEDURE 22: Too high CO and HC concentration when idling
- INSPECTION PROCEDURE 23: Transient, Mass Emission Tailpipe Test Failure.
- INSPECTION PROCEDURE 24: Purge Flow Test of the Evaporative Emission Canister Failure.
- INSPECTION PROCEDURE 25: Pressure Test of the Evaporative System Failure.
- INSPECTION PROCEDURE 26: Generator output voltage is low (approximately 12.3 volts)
- INSPECTION PROCEDURE 27: Incorrect Idle Speed When the A/C is Operating (A/C Switch 2 Signal)
- INSPECTION PROCEDURE 28: Fans (radiator fan) is inoperative
- INSPECTION PROCEDURE 29: Power supply system and ignition switch - IG system.
- INSPECTION PROCEDURE 30: Fuel pump system.
- INSPECTION PROCEDURE 31: Ignition Switch-ST System. < M/T >
- INSPECTION PROCEDURE 32: Ignition Switch - ST System and Transmission Range Switch System. < A/T >
- INSPECTION PROCEDURE 33: Ignition Circuit System
- INSPECTION PROCEDURE 34: A/C system.
- Data List Reference Table
- Actuator Test Reference Table
- Check At The Engine Control Module (Ecu) < M/T > Or Powertrain Control Module (Pcm) < A/T >
- Inspection Procedure Using An Oscilloscope
- Special Tools
- On-Vehicle Service
- Component Location
- Throttle Body (Throttle Valve Area) Cleaning
- Throttle Position Sensor Adjustment
- Basic Idle Speed Adjustment
- Fuel Pressure Test
- Fuel Pump Connector Disconnection (How To Reduce Pressurized Fuel Lines)
- Fuel Pump Operation Check
- MULTIPORT Fuel Injection (MFI) Relay Continuity Check
- Fuel Pump Relay Continuity Check
- Intake Air Temperature Sensor Check
- Engine Coolant Temperature Sensor Check
- Throttle Position Sensor Check
- Heated Oxygen Sensor Check
- Injector Check
- Idle Air Control Motor (Stepper Motor) Check
- Evaporative Emission Purge Solenoid Check
- EGR Vacuum Regulator Solenoid Valve Check
- Evaporative Emission Ventilation Solenoid Check
- Injector
- Throttle Body Assembly
- Specifications