13C MULTIPORT FUEL INJECTION (MPI) <4G69>

GENERAL INFORMATION

SERVICE SPECIFICATIONS

TROUBLESHOOTING

DIAGNOSIS TROUBLESHOOTING FLOW

DIAGNOSIS FUNCTION

INSPECTION CHART FOR DIAGNOSIS CODE

INSPECTION PROCEDURE FOR DIAGNOSIS CODES

Code No. P0100: Air Flow Sensor System

Code No. P0105: Barometric Pressure Sensor System <Vehicles except for Hong kong>

Code No. P0105: Manifold Absolute Pressure Sensor System <Vehicles for Hong kong>

Code No. P0110: Intake Air Temperature Sensor System

Code No. P0115: Engine Coolant Temperature Sensor System

Code No. P0122: Throttle Position Sensor (Main) Circuit Low Input

Code No. P0123: Throttle Position Sensor (Main) Circuit High Input

Code No. P0125: Feedback System Monitor <Vehicles for Hong kong>

Code No. P0130: Cylinder 1, 4 Oxygen Sensor (Front) System <Vehicles for Hong kong>

Code No. P0135: Cylinder 1, 4 Oxygen Sensor (Front) Heater System <Vehicles for Hong kong>

Code No. P0136: Cylinder 1, 4 Oxygen Sensor (Rear) System <Vehicles for Hong kong>

Code No. P0141: Cylinder 1, 4 Oxygen Sensor (Rear) Heater System <Vehicles for Hong kong>

Code No. P0150: Cylinder 2, 3 Oxygen Sensor (Front) System <Vehicles for Hong kong>

Code No. P0155: Cylinder 2, 3 Oxygen Sensor (Front) Heater System <Vehicles for Hong kong>

Code No. P0156: Cylinder 2, 3 Oxygen Sensor (Rear) System <Vehicles for Hong kong>

Code No. P0161: Cylinder 2, 3 Oxygen Sensor (Rear) heater System <Vehicles for Hong kong>

Code No. P0170: Abnormal Fuel System (Cylinder 1,4) <Vehicles for Hong kong>

Code No. P0173: Abnormal Fuel System (cylinder 2, 3) <Vehicles for Hong kong>

Code No. P0201: No. 1 Injector System

Code No. P0202: No. 2 Injector System

Code No. P0203: No. 3 Injector System

Code No. P0204: No. 4 Injector System

Code No. P0222: Throttle Position Sensor (Sub) Circuit Low Input

Code No. P0223: Throttle Position Sensor (Sub) Circuit High Input

Code No. P0300 Ignition Coil (Power Transistor) System <Vehicles except for Hong kong>

Code No. P0300: Random/Multiple Cylinder Misfire Detected <Vehicles for Hong kong>

Code No. P0301: No. 1 Cylinder Misfire Detected <Vehicles for Hong kong>

Code No. P0302: No. 2 Cylinder Misfire Detected <Vehicles for Hong kong>

Code No. P0303: No. 3 Cylinder Misfire Detected <Vehicles for Hong kong>

Code No. P0304: No. 4 Cylinder Misfire Detected

Code No. P0325: Detonation Sensor System

Code No. P0335: Crank Angle Sensor System

Code No. P0340: Camshaft Position Sensor System

Code No. P0403: Exhaust Gas Recirculation Control System <Vehicles for Hong kong>

Code No. P0421: Warm Up Catalyst Malfunction (cylinder 1,4) <Vehicles for Hong kong>

Code No. P0431: Warm Up Catalyst Malfunction (Cylinder 2, 3) <Vehicles for Hong kong>

Code No. P0443: Purge Control Solenoid Valve System <Vehicles for Hong kong>

Code No. P0500: Vehicle Speed Signal System

DTC P0505: Idle Speed Control (ISC) System <Vehicles for Hong kong>

Code No. P0513: Immobilizer Malfunction <Vehicles for GCC, Australia and South africa>

Code No. P0551: Power Steering Fluid Pressure Switch System <Vehicles for Hong kong>

Code NO. P0603: EEP ROM MALFUNCTION

Code No. P0606: Microcomputer Malfunction System <Vehicles except for Hong kong>

DTC P0606: Engine-A/T-ECU Main Processor Malfunction

Code No. P0622: Alternator FR Terminal System

DTC P0638: Throttle Valve Control Servo Circuit Range/Performance Problem

DTC P0642: Throttle Position Sensor Power Supply

DTC P0657: Throttle Valve Control Servo Relay Circuit Malfunction

Code No. P1021: Oil Control Valve Circuit

DTC P1602: Communication Malfunction (between Engine-A/T-ECU Main Processor and System LSI)

Code No. P1603: Battery Backup Circuit Malfunction <Vehicles for Hong kong>

DTC P2100: Throttle Valve Control Servo Circuit (open)

DTC P2101: Throttle Valve Control Servo Magneto Malfunction

DTC P2102: Throttle Valve Control Servo Circuit (Shorted Low)

DTC P2103: Throttle Valve Control Servo Circuit (Shorted High)

Code No. P2121: Accelerator Pedal Position Sensor (Main) Circuit Range/Performance Problem <Vehicles except for Australia, South africa and Hong kong >

Code No. P2122: Accelerator Pedal Position Sensor (Main) Circuit Low Input

Code No. P2123: Accelerator Pedal Position Sensor (Main) Circuit High Input

Code No. P2126: Accelerator Pedal Position Sensor (Sub) Circuit Range/Performance Problem <Vehicles except for Australia, South africa and Hong kong>

Code No. P2127: Accelerator Pedal Position Sensor (Sub) Circuit Low Input

Code No. P2128: Accelerator Pedal Position Sensor (Sub) Circuit High Input

Code No. P2135: Throttle Position Sensor (Main and Sub) Range/Performance Problem

Code No. P2138: Accelerator Pedal Position Sensor (Main and Sub) Range/Performance Problem

DTC P2173: Abnormal Intake Air Amount

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 the "ON" Position

Inspection Procedure 4: The Engine Warning Lamp Remains Illuminating and Never Goes Out

Inspection Procedure 5: Starting Impossible (No Initial Combustion)

Inspection Procedure 6: Starting Impossible (Starter Operative but No Initial Combustion)

Inspection Procedure 7: Starting Impossible (Initial Combustion But No Complete Combustion), Improper Starting (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 Revole Up

Inspection Procedure 12: Hesitation, Sag, Poor Acceleration, Stumble, 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 Run Down

Inspection Procedure 20: Overheating

Inspection Procedure 21: Abnormal Rotation of Fan Motor

Inspection 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: A/C Pressure Sensor System

Inspection Procedure 30: Ignition Circuit System

Inspection Procedure 31: Accelerator Pedal Position Switch Circuit System <Vehicles except for Australia, South africa and Hong kong >

Data List Reference Table

Actuator Test Reference Table

CHECK AT THE ECU TERMINALS

INSPECTION PROCEDURE USING OSCILLOSCOPE

ON-VEHICLE SERVICE

THROTTLE BODY (THROTTLE VALVE AREA) CLEANING

ACCELERATOR PEDAL POSITION SWITCH AND ACCELERATOR PEDAL POSITION SENSOR (APS) ADJUSTMENT <Vehicles except for Australia, South africa and Hong kong>

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

THROTTLE VALVE CONTROL SERVO RELAY CONTINUITY CHECK

INTAKE AIR TEMPERATURE SENSOR CHECK

ENGINE COOLANT TEMPERATURE SENSOR CHECK

ACCELERATOR PEDAL POSITION SENSOR CHECK <Vehicles except for Australia, South africa and Hong kong >

ACCELERATOR PEDAL POSITION SWITCH CHECK

OXYGEN SENSOR CHECK

THROTTLE VALVE CONTROL SERVO CHECK

OIL CONTROL VALVE CHECK

INJECTOR

REMOVAL AND INSTALLATION

THROTTLE BODY ASSEMBLY

REMOVAL AND INSTALLATION

ENGINE-A/T-ECU

REMOVAL AND INSTALLATION

©2004 Mitsubishi Motors Corporation