Section 22 (Engine Controls - Self-Diagnostics)
WARNING: This page is about a different car, the 2001 Mazda Tribute, 2001 Mazda B4000, 2001 Mazda B3000, 2001 Mazda B2500, and 2001 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Self-Diagnostic System
- Quick Test
- Additional System Functions
- Programming Pcm
- Summary
- Diagnostic Trouble Code Definitions
- System Tests
- How To Use System Tests
- Test A: No-Start/Vehicle Will Not Start
- Test B: EEC-V Power Relay
- Test C: Reference Voltage
- Test DA: Temperature Sensor Test (IAT, ECT & EOT)
- Test Db: Engine Fuel Temperature Sensor
- Test Dc: Mass Airflow Sensor
- Test Dd: Fuel Rail Pressure Sensor
- Test DF: Vehicle Speed Circuit Check
- Test Dg: Knock Sensor
- Test DH: Throttle Position Sensor
- Test DL: Cylinder Head Temperature Sensor
- Test Dm: Thermal Manifold Absolute Pressure Sensor
- Test DP: Vehicle Speed Sensor/Transfer Case Speed Sensor
- Test DQ: Barometric Pressure Sensor
- Test Dr: Camshaft Position Sensor
- Test DS: Air Conditioning Pressure Sensor
- Test DT: Power Steering Pressure Sensor
- Test DU: Intake Air Temperature 2
- Test FD: Brake Pedal Position Switch
- Test Ff: Power Steering Pressure Switch
- Test FH: Generator Load Input
- Test H: Fuel Control
- Test HC: Fuel Delivery System
- Test Hd: Misfire Detection Monitor
- Test He: EGR System
- Test Hf: Catalyst Efficiency Monitor & Exhaust Systems
- Test Hg: PCV System
- Test HK: Variable Cam Timing
- Test HM: Secondary Air Injection System
- Test HU: Air Intake System
- Test HX: Evaporative Emission Monitor & System
- Test HY: Generator/Regulator System
- Test JB: Secondary Ignition
- Test JD: Crankshaft Position Sensor
- Test JE: Integrated Ignition Coil Failure
- Test JF: Integrated Ignition Coil On Plug Failure
- Test JH: Tachometer Output Failure
- Test KA: Fuel Pump Relay
- Test Kb: Fuel Pump Driver Module
- Test Kc: Fuel Shutoff Valve Relay
- Test KD: Electric Exhaust Gas RECIRCULATION
- Test KE: Idle Air Control Valve
- Test KF: Fan Control Relay
- Test KH: Hydraulic Cooling Fan
- Test Km: Wot A/C Cut-Off
- Test KP: Charge Air Cooler Pump
- Test KQ: Thermostat Heater Control
- Test NB: Malfunction Indicator Light
- Test NC: Ignition Engine Speed Input Circuit
- Test ND: Engine Rpm/Vehicle Speed Limiter
- Test QA: Unable To Activate Self-Test/SCP Communication Error/DTC Not Listed
- Test QB: KOEO DTC P0603, P1605 Or KOEO, KOER & Continuous Memory DTC P1633
- Test QC: OBD-II Monitor Testing Not Complete; DTC P1000
- Test QD: DTC P1260
- Test Ta: Park/Neutral Position Or Clutch Pedal Position Switches
- Test Tb: Transmission Control Switch/Transmission Control Indicator Lamp
- TEST TG: 4x4 LOW RANGE
- Test Th: Reverse Switch
- Test TJ: Output Shaft Speed Sensor
- Test Z: Intermittent
- System Tests (Evaporative Emissions)
- Notes
- Canister Vent Solenoid Closing Procedure
- Evaporative Emissions System Leak Test
- Test A: DTC P0442: Small Leak Detected In EVAP System
- Test B: DTC P0455: Major Leak Or No Flow Detected In EVAP System Or DTC P1443: Very Small Or No Purge Flow Detected In EVAP System
- Test C: DTC P1450: Excessive Vacuum Detected In Fuel Tank