Section 61 (Engine Controls - Self-Diagnostics)
WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Test Equipment
- Drive Cycles
- Drive Modes
- OBD-II Drive Mode Description
- Mode 1 - PCM Adaptive Memory Procedure Drive Mode
- Mode 2 - EGR System Repair Verification Drive Mode
- Mode 3 - HO2S, HO2S Heater & TWC Repair Verification Drive Mode
- Mode 4 - EVAP System Repair Verification Drive Mode
- Mode 5 - EVAP System Very Small Leak Repair Verification Drive Mode
- Drive Modes
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0031: Ho2S Heater (Front) Circuit - Low
- DTC P0032: Ho2S Heater (Front) Circuit - High
- DTC P0037: Ho2S Heater (Rear) Circuit - Low
- DTC P0038: Rear Ho2S Heater Circuit - High
- DTC P0090: Pressure Regulator Control Solenoid Valve Malfunction
- DTC P0101: Mass Airflow Sensor Circuit Range/Performance Problem
- DTC P0102: Mass Airflow Sensor Circuit - Low Input
- DTC P0103: Mass Airflow Sensor Circuit - High Input
- DTC P0106: BARO Circuit - Performance Problem
- DTC P0107: BARO Circuit - Low Input
- DTC P0108: BARO Circuit - High Input
- DTC P0111: Intake Air Temperature Sensor Circuit - Performance Problem
- DTC P0112: Intake Air Temperature Sensor Circuit - Low Input
- DTC P0113: Intake Air Temperature Sensor Circuit - High Input
- DTC P0117: Engine Coolant Temperature Sensor Circuit - Low Input
- DTC P0118: Engine Coolant Temperature Sensor Circuit - High Input
- DTC P0121: Throttle Position Sensor Circuit - Range/Performance Problem
- DTC P0122: Throttle Position Sensor Circuit - Low Input
- DTC P0123: Throttle Position Sensor Circuit - High Input
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0126 & DTC P0128
- DTC P0131: Ho2S (Front) No Inversion - Low Voltage Stuck
- DTC P0132: Ho2S (Front) No Inversion - High Voltage Stuck
- DTC P0133: Ho2S (Front) Circuit - Slow Response
- DTC P0134: Ho2S (Front) Circuit - No Activity Detected
- DTC P0138: Ho2S (Rear) Circuit - High Input
- DTC P0140: Ho2S (Rear) Circuit - No Activity Detected
- DTC P0171: Fuel Trim - Too Lean
- DTC P0172: Fuel Trim - Too Rich
- DTC P0300: Random Misfire Detected
- DTC P0301, DTC P0302, DTC P0303 Or DTC P0304
- DTC P0325: Knock Sensor Circuit Malfunction
- DTC P0335: Crankshaft Position Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0401: EGR System - Insufficient Flow
- DTC P0402: EGR System - Excessive Flow
- DTC P0421: Catalyst System, Efficiency Below Threshold
- DTC P0442: EVAP Control System, Small Leak Detected
- DTC P0443: EVAP Control System Purge Control Valve - Circuit Malfunction
- DTC P0451: Fuel Tank Pressure Sensor - Performance Problem
- DTC P0452: EVAP Control System Pressure Sensor - Low Input
- DTC P0453: EVAP Control System Pressure Sensor - High Input
- DTC P0455: EVAP Control System Leak Detected - Blockage Or Large Leak
- DTC P0456: EVAP Control System Leak Detected - Very Small Leak
- DTC P0461: Fuel Gauge Sending Unit Circuit - Range/Performance Problem
- DTC P0462: Fuel Gauge Sending Unit Circuit - Low Input
- DTC P0463: Fuel Gauge Sending Unit Circuit - High Input
- DTC P0464: Fuel Gauge Sending Unit Circuit - Slosh Check
- DTC P0480: Cooling Fan Relay Circuit
- DTC P0500: Vehicle Speed Sensor Malfunction
- DTC P0505: Idle Air Control Valve Circuit Malfunction
- DTC P0506: Idle Control System - Rpm Less Than Expected
- DTC P0507: Idle Control System - Rpm Greater Than Expected
- DTC P0550: Power Steering Pressure Switch Circuit Malfunction
- DTC P0660: Variable Inertia Charge System Solenoid Valve Circuit Malfunction
- DTC P0703: Brake Switch Input Circuit Malfunction
- DTC P0704: Clutch Switch Input Circuit Malfunction
- DTC P0850: Neutral Switch Input Circuit Malfunction
- DTC P1449: Canister Drain Cut Valve - Open Or Short
- DTC P1450: EVAP Control System Malfunction - Excessive Vacuum
- DTC P1487: EGR Boost Sensor Solenoid Valve Circuit Malfunction
- DTC P1496: EGR Valve Solenoid Coil No. 1 - Open Or Short
- DTC P1497: EGR Valve Solenoid Coil No. 2 - Open Or Short
- DTC P1498: EGR Valve Solenoid Coil No. 3 - Open Or Short
- DTC P1499: EGR Valve Solenoid Coil No. 4 - Open Or Short
- DTC P1562: Pcm +BB Voltage Low
- DTC P1631: Generator Output Voltage Signal - No Electricity
- DTC P1632: Battery Voltage Circuit Malfunction
- DTC P1633: Battery Overcharge
- DTC P1634: Generator Terminal "B" Circuit Open
- DTC P2006: Variable Tumble Control System - Stuck Closed
- DTC 2009: Variable Tumble Control System Solenoid Valve Circuit - Low Input
- DTC 2010: Variable Tumble Control System Solenoid Valve Circuit High Input
- Reference Voltage Test
- After Repair Procedure