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
Inputs & Outputs: Outputs
- MIL
- Fuel Injectors (8 off)
- Ignition coils (4 Double Ended)
- O2 Sensor Heaters (4)
- Fuel Pump Relay
- Air Conditioning Compressor enable
- Air Conditioning Condenser Fans Relay
- Evaporative Emission Canister Vent Valve
- Evaporative Emission Canister Purge Valve
- Idle Speed Control Valve
- Instrument Pack "ECT Signal" - Pulse Width Modulation (PWM) signal (Discovery Series II only)
- SLABS Hill Decent Control (HDC) - Multiplexed PWM signal (Discovery Series II only)
- Engine Speed signal
- Environmental-Box (E-Box) Cooling Fan (Range Rover 38A only)
- Fuel Used signal (Range Rover 38A only)
- DMTL Pump - 0.020" (0.5 mm) (Discovery LEV Phase II and ULEV only)
- DMTL Valve - 0.020" (0.5 mm) (Discovery LEV Phase II and ULEV only)
- Secondary Air Injection Pump Relay (LEV Phase I, Phase II and ULEV only)
- Secondary Air Injection Control Valve (LEV Phase I, Phase II and ULEV only)
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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