Engine General Information And Diagnosis
- Precautions
- General Description
- Schematic and Routing Diagram
- Component Location
- Diagnostic Information and Procedures
- Engine and Emission Control System Check
- Malfunction Indicator Lamp (MIL) Check
- DTC Check
- DTC Clearance
- DTC Table
- Fail-Safe Table
- Scan Tool Data
- Notes
- Scan Tool Data Definitions
- Engine Speed (Rpm)
- DESIRED IDLE (Desired idle speed, RPM)
- IAC FLOW DUTY (Idle air (speed) control duty, %)
- COOLANT TEMP (Engine coolant temperature, °C, °F)
- Intake Air Temp. (°C, °F)
- MAF (Mass air flow rate, g/s, lb/min)
- CALC LOAD (Calculated load value, %)
- THROTTLE POSITION (Absolute throttle position, %)
- TP SENSOR VOLT (Throttle position sensor output voltage, V)
- MAP (Intake manifold absolute pressure, kPa, in.Hg)
- BAROMETRIC PRES (Barometric pressure, kPa, in.Hg)
- FUEL SYSTEM B1 (Fuel system status)
- INJ PULSE WIDTH (Fuel injection pulse width, msec.)
- O2S B1 S1 (Heated oxygen sensor-1, V)
- O2S B1 S2 (Heated oxygen sensor-2, V)
- SHORT FT B1 (Short term fuel trim, %)
- LONG FT B1 (Long term fuel trim, %)
- Total Fuel Trim B1 (%)
- Fuel Cut (On/Off)
- CANIST PRG DUTY (EVAP canister purge flow duty, %)
- EVAP VENT VALVE (Canister vent valve in EVAP leak check module, ON/OFF)
- LEAK CHECK PUMP (Leak detecting pump in EVAP leak check module, ON/OFF)
- FUEL TANK PRESS (Fuel tank pressure, mmHg, kPa)
- Fuel Tank Level (%)
- EVAP Fuel Vapor Temp (°C, °F)
- IGNITION ADVANCE (Ignition timing advance for No. 1 cylinder, °)
- Step EGR Flow Duty (%)
- Battery Voltage (V)
- Fuel Pump (On/Off)
- PNP SIGNAL (Park / Neutral position signal, P/N range or D range)
- A/C Switch (On/Off)
- Blower Fan (On/Off)
- A/C COND Fan (On/Off)
- PSP SWITCH (Power steering pressure switch, ON/OFF)
- CLOSED THROT POS (Closed throttle position ON/OFF)
- VEHICLE SPEED (Km/h, mph)
- Visual Inspection
- Engine Basic Inspection
- Engine Symptom Diagnosis
- Malfunction Indicator Lamp Does Not Come ON at Ignition Switch ON (But Engine at Stop)
- Malfunction Indicator Lamp Remains ON after Engine Starts
- DTC P0101: Mass Air Flow Circuit Range / Performance
- DTC P0102: Mass Air Flow Sensor Circuit Low Input
- DTC P0103: Mass Air Flow Sensor Circuit High Input
- DTC P0107: Manifold Absolute Pressure Circuit Low Input
- DTC P0108: Manifold Absolute Pressure Circuit High Input
- DTC P0111: Intake Air Temperature Circuit Range / Performance
- DTC P0112: Intake Air Temperature Circuit Low
- DTC P0113: Intake Air Temperature Circuit High
- DTC P0116: Engine Coolant Temperature Circuit Range / Performance
- DTC P0117: Engine Coolant Temperature Circuit Low Input
- DTC P0118: Engine Coolant Temperature Circuit High Input
- DTC P0121: Throttle Position Sensor Circuit Range / Performance
- DTC P0122: Throttle Position Sensor Circuit Low Input
- DTC P0123: Throttle Position Sensor Circuit High
- DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat
- DTC P0131 / P0132: O2 Sensor Circuit Low / High Voltage (Sensor-1) (For Vehicle with ORVR)
- DTC P0131 / P0132: O2 Sensor Circuit Low / High Voltage (Sensor-1) (For Vehicle without ORVR)
- DTC P0133: O2 Sensor Circuit Slow Response (Sensor-1)
- DTC P0134: O2 Sensor No Activity Detected (Sensor-1)
- DTC P0135: O2 Sensor Heater Circuit (Sensor-1)
- DTC P0137 / P0138: O2 Sensor Circuit Low / High Voltage (Sensor-2) (For Vehicle with ORVR)
- DTC P0137 / P0138: O2 Sensor Circuit Low / High Voltage (Sensor-2) (For Vehicle without ORVR)
- DTC P0139: O2 Sensor Circuit Slow Response (Sensor-2)
- DTC P0141: O2 Sensor Heater Circuit (Sensor-2)
- DTC P0171 / P0172: System Too Lean / Rich
- DTC P0300 / P0301 / P0302 / P0303 / P0304: Random / Cylinder 1 / Cylinder 2 / Cylinder 3 / Cylinder 4 Misfire Detected
- DTC P0327 / P0328: Knock Sensor Circuit Low / High
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0401 / P0402: Exhaust Gas Recirculation Flow Insufficient / Excessive Detected
- DTC P0403: Exhaust Gas Recirculation Control Circuit
- DTC P0420: Catalyst System Efficiency below Threshold
- DTC P0441: Evaporative Emission System Incorrect Purge Flow
- DTC P0444: Evaporative Emission System Purge Control Valve Circuit Open
- DTC P0445: Evaporative Emission Control System Purge Control Valve Circuit Shorted
- DTC P0449: Evaporative Emission System Vent Valve / Solenoid Circuit
- DTC P0456: Evaporative Emission System Leak Detected (Very Small Leak)
- DTC P0461: Fuel Level Sensor Circuit Range / Performance
- DTC P0462/P0463: Fuel Level Sensor Circuit Low/High
- DTC P0464: Fuel Level Sensor Circuit Intermittent
- DTC P0480: Cooling Fan 1 Control Circuit
- DTC P0481: Cooling Fan 2 Control Circuit
- DTC P0500: Vehicle Speed Sensor
- DTC P0505 / P0506 / P0507: Idle Air Control System Malfunction / RPM Lower than Expected / RPM Higher than Expected
- DTC P0601 / P0602 / P0607: Internal Control Module Memory Check Sum Error / Control Module Programming Error / Control Module Performance
- DTC P0616: Starter Relay Circuit Low
- DTC P0617: Starter Relay Circuit High
- DTC P0630: VIN Not Programmed or Incompatible-ECM
- DTC P1107: Manifold Absolute Pressure Circuit Range / Performance Low
- DTC P1108: Manifold Absolute Pressure Circuit Range / Performance High
- DTC P1420 / P1421: Evaporative Emission System Vent Valve Stuck Open/Closed
- DTC P1422: Evaporative Emission System Leak Detect Pump Stuck OFF
- DTC P1424 / P1425: Evaporative Emission System Leak Detecting Pump Flow High/Low
- DTC P1510: ECM Back-Up Power Supply Malfunction
- DTC P1600: Serial Communication Problem Between ECM and TCM
- DTC P1717: A/T Driver Range Signal Circuit Malfunction
- DTC P2227 / P2228 / P2229: Barometric Pressure Circuit Range Performance / Low / High
- DTC P2400: Evaporative Emission System Leak Detection Pump Control Circuit / Open
- DTC P2A00: O2 Sensor Circuit Range / Performance
- DTC P2A01: O2 Sensor Circuit Range / Performance
- Inspection of ECM and Its Circuits
- ECM Power and Ground Circuit Check
- Fuel Injector Circuit Check
- Fuel Pump Circuit Check
- Fuel Pressure Check
- Idle Air Control (IAC) System Check
- Throttle Valve Opening Signal Inspection
- Radiator Fan Control System Check
- Power Steering Pressure (PSP) Switch Signal Circuit Check
- Electric Load Signal Circuit Check
- A/C Control System Inspection
- A/C Condenser Fan Control System Inspection
- A/C Signal Circuits Check (Vehicle with A/C)
- Repair Instructions
- Special Tools and Equipment