Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Land Rover DiscoveryFACTORY OEM SERVICE PROCEDURE
Engine Controls - Self-Diagnostics - Without Codes
- Vehicle Identification
- Introduction
- Mode $06 Data - In Accordance With Sae J1979
- Onboard Monitoring
- Catalyst Monitoring
- Misfire Monitoring
- Secondary Air Injection System Monitoring
- EVAPORATIVE EMISSION SYSTEM MONITORING - 0.040" (1.0 mm) DIAMETER
- EVAPORATIVE EMISSION SYSTEM MONITORING - 0.020" (0.5 mm) DIAMETER
- Fuel System Monitoring
- Oxygen Sensor Monitoring
- Thermostat Monitoring
- Engine Speed & Position Sensor (Crankshaft Sensor)
- Camshaft Position Sensor
- Engine Coolant Temperature Sensor
- Mass Airflow Sensor & Intake Air Temperature Sensor
- Knock Sensor
- Throttle Position Sensor
- Engine Control Module Self Test
- Fuel Level Sensor
- Vehicle Speed Signal
- Power Supplies
- Rough Road Signal
- Transfer Box Malfunction Indicator Lamp Request (Range Rover 38A Only)
- Air Conditioning System (Discovery Series II Only)
- Fuel Injectors
- Idle Speed Control Actuator
- Fuel Pump Relay
- Malfunction Indicator Lamp
- Hill Descent Control Signal - Discovery Series II Only
- Engine Speed Signal
- Environmental-Box Cooling Fan (Range Rover 38A Only)
- Low Range Signal
- Controller Area Network System
- Positive Crankcase Ventilation System Monitoring
- OBD Drive Cycle Information
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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