13B MULTIPORT FUEL INJECTION (MPI) <4G64>
GENERAL INFORMATION
SERVICE SPECIFICATIONS
SEALANT
SPECIAL TOOLS
TROUBLESHOOTING
DIAGNOSIS TROUBLESHOOTING FLOW
DIAGNOSIS FUNCTION
INSPECTION CHART FOR DIAGNOSIS CODE
INSPECTION PROCEDURE FOR DIAGNOSIS CODES
Code No. 12 Air Flow Sensor System
Code No. 13 Intake Air Temperature Sensor System
Code No. 14 Throttle Position Sensor System
Code No. 21 Engine Coolant Temperature Sensor System
Code No. 22 Crank Angle Sensor System
Code No. 23 Camshaft Position Sensor System
Code No. 24 Vehicle Speed Signal System
Code No. 25 Barometric Pressure Sensor System
Code No. 31 Detonation Sensor System
Code No. 41 Injector System
Code No. 44 Injection Coil and Power Transistor Unit System
Code No. 64 Alternator FR Terminal System
INSPECTION CHART FOR TROUBLE SYMPTOMS
SYMPTOM PROCEDURES
Inspection Procedure 1: Communication with All System is not Possible
Inspection Procedure 2: Communication with Engine-A/T-ECU only is not Possible.
Inspection Procedure 3: The Engine Warning Lamp does not Illuminate Right after The Ignition Switch is Turned to The "ON" Position
Inspection Procedure 4: The Engine Warning Lamp Remains Illuminating and Never goes out.
Inspection Procedure 5: Starting Impossible (No initial combution)
Inspection Procedure 6: Starting Impossible (Starter Operative but No Initial Combustion)
Inspection Procedure 7: Starting Impossible (Initial Combustion but no Complete Combution) or Starting Impossible (Long Time to Start)
Inspection Procedure 8: Unstable Idling (Rough Idling, Hunting), Improper Idling Speed (too High or too Low), Engine Stalls During Idling (Die Out)
Inspection Procedure 9: The Engine Stalls when Starting The Car (Pass Out)
Inspection Procedure 10. The Engine stalls when Decelerating
Inspection Procedure 11: Engine does not Revolve Up
Inspection Procedure 12: Hesitation, Sag, Poor Acceleration, Stumble or Surge
Inspection Procedure 13. The Feeling of Impact or Vibration when Accelerating
Inspection Procedure 14: The Feeling of Impact or Vibration when Decelerating
Inspection Procedure 15: Knocking
Inspection Procedure 16: Ignition Timing Offset
Inspection Procedure 17: Run on (Dieseling)
Inspection Procedure 18: Odor, White Smoke, Black Smoke and High-Concentration CO/HC during Idling
Inspection Procedure 19: Battery Rundown
Inspection Procedure 20: Overheating
Inspection Procedure 21: Abnormal Rotation of Fan Motor
Inspction Procedure 22: Poor A/C Performance
Inspection Procedure 23: Engine-A/T-ECU Power Supply, Engine Control Relay, Ignition Switch-IG1 System
Inspection Procedure 24: Fuel Pump System
Inspection Procedure 25: Fan Control Relay System
Inspection Procedure 26: A/C Switch System
Inspection Procedure 27: A/C Compressor Relay System
Inspection Procedure 28: A/C Load Signal System
Inspection Procedure 29: Power Steering Fluid Pressure Switch System
Inspection Procedure 30: Idle Speed Control Servo System
Inspection procedure 31: EGR Control Solenoid Valve System
Inspection Procedure 33: A/C Pressure Sensor System
Inspection Procedure 37: Mixture Adjusting Screw (Variable Resistor) System
Data List Reference Table
Actuator Test Reference Table
CHECK AT THE ECU TERMINALS
INSPECTION PROCEDURE USING OSCILLOSCOPE
ON-VEHICLE SERVICE
ON-VEHICLE SERVICE
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
COMPONENT LOCATION
ENGINE CONTROL RELAY CONTINUITY CHECK
FUEL PUMP RELAY CONTINUITY CHECK
INTAKE AIR TEMPERATURE SENSOR CHECK
ENGINE COOLANT TEMPERATURE SENSOR CHECK
THROTTLE POSITION SENSOR CHECK
MIXTURE ADJUSTING SCREW (VARIABLE RESISTOR) CHECK <VEHICLES WITHOUT CATALYTIC CONVERTER>
INJECTOR CHECK
IDLE SPEED CONTROL SERVO (STEPPER MOTOR) CHECK
INJECTOR
REMOVAL AND INSTALLATION
THROTTLE BODY ASSEMBLY
REMOVAL AND INSTALLATION
THROTTLE BODY ASSEMBLY DISASSEMBLY AND ASSEMBLY
ENGINE-A/T-ECU
REMOVAL AND INSTALLATION
©2004 Mitsubishi Motors Corporation