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Engine General Information And Diagnosis
- Precautions
- General Description
- Schematic And Routing Diagram
- Diagnostic Information And Procedures
- Engine and Emission Control System Check
- Visual Inspection
- Engine Basic Check
- Malfunction Indicator Lamp (MIL) Check
- DTC Table
- For A/T System (Only OBD-II Generic Scan Tool Is Displayed on the Following DTC(s) at the Same Time)
- DTC Check
- DTC Clearance
- Fail-Safe Table
- Scan Tool Data
- Notes
- Scan Tool Data Definitions
- Coolant Temp (Engine Coolant Temperature, °C, °F)
- Intake Air Temp. (°C, °F)
- Engine Speed (Rpm)
- Desired Idle (Desired Idle Speed, Rpm)
- MAF (MASS AIR FLOW RATE, g/s, lb/min).
- CALC Load (Calculated Load Value, %)
- MAP (MANIFOLD ABSOLUTE PRESSURE, in. Hg, kPa)
- Throttle Pos (Absolute Throttle Position, %)
- BAROMETRIC PRESS (kPa, in. Hg)
- Fuel Tank Level (%):
- Battery Voltage (V)
- Brake SW (On / Off)
- Intake Tuning Sol (Intake Manifold Tuning Valve, On / Off)
- Fuel System B1 (Fuel System Bank-1 Status) Fuel System B2 (Fuel System Bank-2 Status)
- O2S Sensor B1 S2 (Heated Oxygen Sensor Bank-1 Sensor-2, V) O2S Sensor B2 S2 (Heated Oxygen Sensor Bank-2 Sensor-2, V)
- Short Ft B1 (Short Term Fuel Trim Bank-1, %) Short Ft B2 (Short Term Fuel Trim Bank-2, %)
- Long Ft B1 (Long Term Fuel Trim Bank-1, %) Long Ft B2 (Long Term Fuel Trim Bank-2, %)
- Total Fuel Trim B1 (Total Fuel Trim Bank-1, %) Total Fuel Trim B2 (Total Fuel Trim Bank-2, %)
- A/F B1 S1 CURRENT (A/F SENSOR BANK-1 SENSOR-1 OUTPUT CURRENT, mA) A/F B2 S1 CURRENT (A/F SENSOR BANK-2 SENSOR-1 OUTPUT CURRENT, mA)
- Fuel Cut (On / Off)
- O2S B1 S2 Act (Heated Oxygen Sensor Bank-1 Sensor-2, Active / Inactive) O2S B2 S2 Act (Heated Oxygen Sensor Bank-2 Sensor-2, Active / Inactive)
- A/F B1 S1 Act (A/F Sensor Bank-1 Sensor-1, Active / Inactive) A/F B2 S1 Act (A/F Sensor Bank-2 Sensor-1, Active / Inactive)
- CANIST PRG Duty (EVAP Canister Purge Flow Duty, %)
- Ignition Advance (Ignition Timing Advance For No.1 Cylinder, °)
- EGR Valve Opening (%)
- Fuel Pump (On / Off)
- Starter SW (On / Off)
- A/C PRESSURE (A/C REFRIGERANT ABSOLUTE PRESSURE, kPa)
- A/C Switch (On / Off)
- A/C Comp Relay (A/C Compressor Relay, On / Off)
- Blower Fan (On / Off)
- Electric Load (On / Off)
- PSP Switch (Power Steering Pump Pressure Switch, On / Off)
- PNP SIGNAL (TRANSMISSION RANGE SENSOR, P/N or D RANGE):
- Radiator Cooling Fan Low (Radiator Cooling Fan Control Relay No.1, On / Off)
- RDTR Fan No.1 High (Radiator Cooling Fan Control Relay No.2, On / Off):
- RDTR Fan No.2 High (Radiator Cooling Fan Control Relay No.3, On / Off)
- TP Sensor 1 Volt (Throttle Position Sensor (Main) Output Voltage, V)
- TP Sensor 2 Volt (Throttle Position Sensor (Sub) Output Voltage, V)
- App Sensor 1 Volt (Accelerator Pedal Position (App) Sensor (Main) Output Voltage, V)
- App Sensor 2 Volt (Accelerator Pedal Position (App) Sensor (Sub) Output Voltage, V)
- ACCEL Position (Absolute Accelerator Pedal Position, %)
- Target Throttle POSI (Target Throttle Valve Position, %)
- IAC Throttle Opening (Idle Air (Speed) Control Throttle Valve Opening, %):
- Throttle Motor Volt (V)
- Closed Throttle Pos (Closed Throttle Position, On / Off)
- Throttle Motor Relay (On / Off)
- VEHICLE SPEED (km/h, mph)
- INJ PULSE WIDTH B1 (FUEL INJECTION PULSE WIDTH BANK-1, msec).
- EVAP Vent Valve (EVAP Canister Vent Valve, On / Off)
- Leak Check Pump (EVAP Leak Detection Pump, On / Off)
- LEAK CHECK P SENSOR (EVAP LEAK CHECK PRESSURE SENSOR, in. Hg, kPa)
- Engine Symptom Diagnosis
- Malfunction Indicator Lamp Does Not Come ON with Ignition Switch ON and Engine Stop (but Engine Can Be Started)
- Malfunction Indicator Lamp Remains ON after Engine Starts
- DTC P0031/P0032: HO2S Heater Control Circuit Low / High (Sensor-1, Bank-1)
- DTC P0037/P0038: HO2S Heater Control Circuit Low/High (Sensor-2, Bank-1)
- DTC P0051/P0052: HO2S Heater Control Circuit Low/High (Sensor-1, Bank-2)
- DTC P0057/P0058: HO2S Heater Control Circuit Low/High (Sensor-2, Bank-2)
- DTC P0101: Mass Air Flow Circuit Range/Performance
- DTC P0102/P0103: Mass Air Flow Circuit Low/High Input
- DTC P0107/P0108: Manifold Absolute Pressure Sensor Circuit Low/High Input
- DTC P0111: Intake Air Temperature Sensor Circuit Performance
- DTC P0112/P0113: Intake Air Temperature Sensor Circuit Low/High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance
- DTC P0117/P0118: Engine Coolant Temperature Circuit Low/High Input
- DTC P0122/P0123: Throttle Position Sensor (Main) Circuit Low/High Input
- DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
- DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0133/P2A00: O2 Sensor Circuit Slow Response/Performance (Sensor-1, Bank-1)
- DTC P0134: O2 Sensor Circuit No Activity (Sensor-1, Bank-1)
- DTC P0137/P0138: O2 Sensor Circuit Low Voltage/High Voltage (Sensor-2, Bank-1)
- DTC P0139/P2A01: O2 Sensor Circuit Slow Response/Performance (Sensor-2, Bank-1)
- DTC P0140: O2 Sensor Circuit No Activity Detected (Sensor-2, Bank-1)
- DTC P0153/P2A03: O2 Sensor Circuit Slow Response/Performance (Sensor-1, Bank-2)
- DTC P0154: O2 Sensor Circuit No Activity (Sensor-1, Bank-2)
- DTC P0157/P0158: O2 Sensor Circuit Low Voltage/High Voltage (Sensor-2, Bank-2)
- DTC P0159/P2A04: O2 Sensor Circuit Slow Response/Performance (Sensor-2, Bank-2)
- DTC P0160: O2 Sensor Circuit No Activity Detected (Sensor-2, Bank-2)
- DTC P0171/P0172: System Too Lean/Too Rich (Sensor-1, Bank-1)
- DTC P0174/P0175: System Too Lean/Too Rich (Sensor-1, Bank-2)
- DTC P0222/P0223: Throttle Position Sensor (Sub) Circuit Low/High
- DTC P0300/P0301/P0302/P0303/P0304/P0305/P0306: Misfire Detected
- DTC P0327/P0328: Knock Sensor Circuit Low/High
- DTC P0335: Crankshaft Position Sensor Circuit
- DTC P0336: Crankshaft Position Sensor Circuit Range/Performance
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0341: Camshaft Position Sensor Circuit Range/Performance
- DTC P0401/P0402: Exhaust Gas Recirculation Flow Insufficient Detected/Excessive Detected
- DTC P0403: Exhaust Gas Recirculation Control Circuit
- DTC P0420/P0430: Catalyst System Efficiency Below Threshold (Bank-1/-2)
- DTC P0441: Evaporative Emission System Incorrect Purge Flow
- DTC P0444/P0445: EVAP Emission System Purge Control Valve Circuit Open/Shorted
- DTC P0449: Evaporative Emission System Vent Valve Circuit
- DTC P0456: Evaporative Emission System Leak Detected (Very Small Leak)
- DTC P0461: Fuel Level Sensor Circuit Performance
- DTC P0462/P0463: Fuel Level Sensor Circuit Low/High
- DTC P0464: Fuel Level Sensor Circuit Intermittent
- DTC P0480/P0481/P0482: Fan 1/Fan 2/Fan 3 Control Circuit
- DTC P0500: Vehicle Speed Sensor
- DTC P0506/P0507: Idle Air Control System RPM Lower than Expected/Higher than Expected
- DTC P0532/P0533: A/C Refrigerant Pressure Sensor Circuit Low/High
- DTC P0601/P0602/P0607: Internal Control Module Memory Check Sum Error/Control Module Programming Error/Control Module Performance
- DTC P0616/P0617: Starter Relay Circuit Low/High
- DTC P0630: VIN Not Programmed or Incompatible - ECM
- DTC P0645: A/C Clutch Relay Control Circuit
- DTC P0661/P0662: Intake Manifold Tuning Valve Control Circuit Low/High
- DTC P1107/P1108: Manifold Absolute Pressure Sensor Rationality Check - Low/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 Detection Pump Flow High/Low
- DTC P1510: ECM Back-Up Power Supply Malfunction
- DTC P1603: TCM Trouble Code Detected
- DTC P2096/P2097: Post Catalyst Fuel Trim System Too Lean/Too Rich (Sensor-2, Bank-1)
- DTC P2098/P2099: Post Catalyst Fuel Trim System Too Lean/Too Rich (Sensor-2, Bank-2)
- DTC P2101: Throttle Actuator Control Motor Circuit Range/Performance
- DTC P2102: Throttle Actuator Control Motor Circuit Low
- DTC P2103: Throttle Actuator Control Motor Circuit High
- DTC P2108: Throttle Actuator Control Module Performance
- DTC P2119: Throttle Actuator Control Throttle Body Range/Performance
- DTC P2122/P2123: Pedal Position Sensor (Main) Circuit Low/High
- DTC P2127/P2128: Pedal Position Sensor (Sub) Circuit Low/High
- DTC P2135: Throttle Position Sensor (Main/Sub) Voltage Correction
- DTC P2138: Pedal Position Sensor (Main/Sub) Voltage Correction
- DTC P2195/P2196: O2 Sensor Signal Stuck Lean/Stuck Rich (Sensor-1, Bank-1)
- DTC P2197/P2198: O2 Sensor Signal Stuck Lean/Stuck Rich (Sensor-1, Bank-2)
- DTC P2227: Barometric Pressure Circuit Range/Performance
- DTC P2228/P2229: Barometric Pressure Circuit Low/High
- DTC P2237: O2 Sensor Positive Current Control Circuit/Open (Sensor-1, Bank-1)
- DTC P2238/P2239: O2 Sensor Positive Current Control Circuit Low/High (Sensor-1, Bank-1)
- DTC P2240: O2 Sensor Positive Current Control Circuit/Open (Sensor-1, Bank-2)
- DTC P2241/P2242: O2 Sensor Positive Current Control Circuit Low/High (Sensor-1, Bank-2)
- DTC P2252/P2253: O2 Sensor Negative Current Control Circuit Low/High (Sensor-1, Bank-1)
- DTC P2255/P2256: O2 Sensor Negative Current Control Circuit Low/High (Sensor-1, Bank-2)
- DTC P2282: Air Leak between Throttle Body and Intake Valves
- DTC P2400: Evaporative Emission System Leak Detection Pump Control Circuit Open
- DTC U0073: Control Module Communication BUS Off
- DTC U0101: Lost Communication with TCM
- DTC U0121: Lost Communication with ABS/Electronic Stability Program Control Module
- DTC U0140: Lost Communication with Body Control Module
- Inspection of ECM and Its Circuits
- ECM Power and Ground Circuit Check
- Fuel Injector Circuit Check
- Fuel Pump and Its Circuit Check
- Fuel Pressure Check
- A/C System Circuits Check
- Electric Load Signal Circuit Check
- Radiator Cooling Fan Low Speed Control System Check
- Radiator Cooling Fan High Speed Control System Check
- Repair Instructions
- Special Tools And Equipment