MULTIPORT Fuel Injection
- General Description
- Special Tools
- Diagnosis
- Diagnostic Troubleshooting Flow
- Diagnostic Test Mode
- On-Board Diagnostics
- OBD-II Drive Cycle
- How To Read And Erase Diagnostic Trouble Codes
- Diagnostic By Diagnostic Test Mode II (Increased Sensitivity)
- Inspection Using Scan Tool Service Data And Actuator Testing
- Fail-Safe/Backup Function Table
- Inspection Chart For Diagnostic Trouble Codes (Fault Tree)
- Inspection Procedure For Diagnostic Trouble Codes
- DTC P0101, P0102: Volume Air Flow Circuit Malfunction
- DTC P0106, P0107, P0108: Barometric Pressure Circuit Malfunction
- DTC P0111, P0112, P0113: Intake Air Temperature Circuit Malfunction
- DTC P0116, P0117, P0118: Engine Coolant Temperature Circuit Malfunction
- DTC P0121, P0122, P0123: Throttle Position Circuit Malfunction
- DTC P0125, P0128: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0132, P0133, P0134: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1)
- DTC P0135: Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
- DTC P0137, P0138, P0139: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
- DTC P0141: Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
- DTC P0152, P0153, P0154: Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 1)
- DTC P0155: Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
- DTC P0157, P0158, P0159: Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2)
- DTC P0161: Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
- DTC P0171, P0174: System Too Lean (Bank 1 And Bank 2)
- DTC P0172, P0175: System Too Rich (Bank 1 And Bank 2)
- DTC P0201, P0202, P0203, P0204, P0205, P0206: Injector Circuit Malfunction (Cylinder-1, Cylinder-2, Cylinder-3, Cylinder-4, Cylinder-5, Cylinder-6)
- DTC P0300: Random Misfire Detected
- DTC P0301, P0302, P0303, P0304, P0305, P0306: Misfire Detected (Cylinder-1, Cylinder-2, Cylinder-3, Cylinder-4, Cylinder-5, Cylinder-6)
- DTC P0325: Knock Sensor Circuit 1 Malfunction
- DTC P0335: Crankshaft Position Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0401: Exhaust Gas RECIRCULATION Flow Malfunction
- DTC P0403: Exhaust Gas RECIRCULATION Control Circuit
- DTC P0421: Warm Up Catalyst Efficiency Below Threshold (Bank 1)
- DTC P0431: Warm Up Catalyst Efficiency Below Threshold (Bank 2)
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow DTC P0442: Evaporative Emission Control System Leak Detected (Small)
- DTC P0443: Evaporative Emission Control System Purge Control Valve Circuit Malfunction
- DTC P0446: Evaporative Emission Control System Ventilation Control Malfunction
- DTC P0451, P0452, P0453: Evaporative Emission Control System Pressure Sensor Malfunction
- DTC P0455: Evaporative Emission Control System Leak Detected (Gross Leak)
- DTC P0506, P0507: Idle Control System Malfunction
- DTC P0510: Closed Throttle Position Switch Malfunction
- DTC P0551: Power Steering Pressure Sensor Circuit Range/Performance
- DTC P0705: TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (RPNDL Input)
- DTC P0712, P0713: Transmission Fluid Temperature Sensor Circuit Malfunction
- DTC P0715: Input/Turbine Speed Sensor Circuit Malfunction
- DTC P0720: Output Speed Sensor Circuit Malfunction
- DTC P0731, P0732, P0733, P0734, P0736: Incorrect Ratio
- DTC P0741, P0742, P0743: Torque CONVERTOR Clutch System Malfunction
- DTC P0753: Shift Solenoid A Malfunction
- DTC P0758: Shift Solenoid B Malfunction
- DTC P0763: Shift Solenoid C Malfunction
- DTC P0768: Shift Solenoid D Malfunction
- DTC P1101: Vacuum Control Solenoid Valve System <Vehicles With TCL>
- DTC P1102: Ventilation Control Solenoid Valve System <Vehicles With TCL>
- DTC P1400: Manifold Differential Pressure Sensor Circuit Malfunction
- DTC P1603: Battery Backup Circuit Malfunction
- DTC P1751: A/T Control Relay Malfunction
- Inspection Chart For Trouble Symptoms
- Problem Symptoms Table (For Your Information)
- Inspection Procedure For Trouble Symptoms
- Inspection Procedure 1 - Communication With Scan Tool Is Not Possible. (Communication With All Systems Is Not Possible.)
- Inspection Procedure 2 - Scan Tool Communication With Pcm Is Not Possible.
- Inspection Procedure 3 - The Service Engine Soon/Malfunction Indicator Lamp Does Not Illuminate Right After The Ignition Switch Is Turned To The On Position.
- Inspection Procedure 4 - The Service Engine Soon/Malfunction Indicator 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. (PASSS 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 Failed
- Inspection Procedure 24 - Purge Flow Test Of The Evaporative Canister Failed
- Inspection Procedure 25 - Pressure Test Of The Evaporative System
- Inspection Procedure 26 - Power Supply System And Ignition Switch-IG System
- Inspection Procedure 27 - Fuel Pump System
- Inspection Procedure 28 - Closed Throttle Position Switch System <Vehicles Without TCL>
- Inspection Procedure 29 - Closed Throttle Position Switch System <Vehicles With TCL>
- Inspection Procedure 30 - Ignition Switch-St And Park/Neutral Position Switch System
- Inspection Procedure 31 - A/C Switch And A/C Compressor Clutch Relay System
- Inspection Procedure 32 - Fan Motor Relay System (Radiator Fan, A/C Condenser Fan)
- Inspection Procedure 33 - Ignition Circuit System
- Inspection Procedure 34 - Scan Tool: Inspection Of No Initial Combustion
- Inspection Procedure 35 - Ignition System: Inspection Of No Initial Combustion
- Inspection Procedure 36 - Scan Tool: Check If Incomplete Combustion Occurs.
- Inspection Procedure 37 - Check If Hunting Occurs.
- Inspection Procedure 38 - Scan Tool: Check If Idle Speed Is Unstable.
- Inspection Procedure 39 - Scan Tool: Engine Stalling Inspection When The Engine Is Warm And Idling.
- Inspection Procedure 40 - Scan Tool: Check If Hesitation, Sag, Stumble Or Poor Acceleration Occurs.
- Inspection Procedure 41 - Scan Tool: Check If Surge Occurs.
- Inspection Procedure 42 - Check The Pcm Power Supply And Ground Circuit.
- INSPECTION PROCEDURE 43 - Check fuel pump circuit.
- Inspection Procedure 44 - Check The Fuel Pump Drive Control Circuit.
- Inspection Procedure 45 - Check Volume Air Flow Sensor Control Circuit.
- Inspection Procedure 46 - Check Throttle Position Sensor (TPS) Output Circuit.
- Inspection Procedure 47 - Check Injector Control Circuit
- Inspection Procedure 48 - Check Ignition Coil And Ignition Power Transistor Unit Circuit.
- Inspection Procedure 49 - Check For Clogging Or A Large Leak.
- Inspection Procedure 50 - Check For A Small Leak.
- Inspection Procedure 51 - Sensor And EVAP Purge Control System Check (Purge Flow Check)
- Inspection Procedure 52 - Ventilation And Purge Line Check.
- Inspection Procedure 53 - Check For Clogging.
- Service Data Reference Table
- Actuator Test Reference Table
- Check At The Powertrain Control Module (Pcm)
- Inspection Procedure Using An Analyzer
- On-Vehicle Service
- Throttle Body (Throttle Valve Area) Cleaning
- CLOSED THROTTLE POSITION SWITCH AND THROTTLE POSITION SENSOR ADJUSTMENT < Vehicles without TCL>
- THROTTLE POSITION SENSOR ADJUSTMENT < Vehicles with TCL>
- CLOSED THROTTLE POSITION SWITCH AND ACCELERATOR PEDAL POSITION SENSOR ADJUSTMENT < Vehicles with TCL>
- Fixed SAS Adjustment
- Basic Idle Speed Adjustment
- Fuel Pressure Test
- Fuel Pump Connector Disconnection (How To Reduce Pressurized Fuel Lines)
- Fuel Pump Operation Check
- On-Vehicle Inspection Of MFI Components
- Component Location
- MULTIPORT Fuel Injection (MFI) Relay And Fuel Pump Relay Continuity Check
- Intake Air Temperature Sensor Check
- Engine Coolant Temperature Sensor Check
- Throttle Position Sensor Check
- ACCELERATOR PEDAL POSITION SENSOR CHECK (Vehicles with TCL)
- CLOSED THROTTLE POSITION SWITCH CHECK < Vehicles without TCL >
- CLOSED THROTTLE POSITION SWITCH CHECK (Vehicles with TCL)
- Heated Oxygen Sensor Check
- Injector Check
- Idle Air Control Motor (Stepper Motor) Check
- Evaporative Emission Purge Solenoid Check
- Evaporative Emission Ventilation Solenoid Check
- EGR Solenoid Check
- VENTILATION CONTROL SOLENOID VALVE CHECK < Vehicles with TCL>
- VACUUM CONTROL SOLENOID VALVE CHECK < Vehicles with TCL>
- VACUUM TANK CHECK < Vehicles with TCL>
- VACUUM ACTUATOR CHECK < Vehicles with TCL>
- THROTTLE VALVE OPERATION CHECK < Vehicles with TCL>
- NEGATIVE PRESSURE CHECK DURING TRACTION CONTROL OPERATION < Vehicles with TCL>
- Injector
- Throttle Body
- Specifications