Inputs and Outputs

Inputs and Outputs

Inputs
Ignition Switch (position II)
TP Sensor
Immobiliser interface
Engine Speed and Position Sensor (Crankshaft Sensor)
Camshaft Position Sensor
ECT Sensor
Intake Air Temperature (IAT) Sensor (integrated into the MAF Sensor)
MAF Sensor
Knock Sensors (quantity 2)
O2 Sensors (quantity 4)
Fuel Tank Pressure Sensor (Except Discovery LEV Phase II and ULEV)
Fuel Level Sensor (Discovery Series II, NAS Tier I and LEV Phase I)
Self Levelling, Anti Lock Braking System (SLABS) Vehicle Speed (Discovery Series II only)
SLABS Rough Road signal (Discovery Series II only)
ABS Vehicle Speed (Range Rover 38A only)
ABS Rough Road signal (Range Rover 38A only)
Transfer Box MIL request (Range Rover 38A only)
Thermostat Monitoring - bottom hose temperature (LEV Phase II and ULEV only)
Diagnose Module - Tank Leakage (DMTL) 0.020" (0.5mm) Leak Detection (Discovery LEV Phase II and ULEV only)
Analogue Fuel Level (Range Rover 38A, Discovery LEV Phase II and ULEV)
Air Conditioning Standby
Air Conditioning Request (Range Rover 38A only)

Outputs
MIL
Fuel Injectors (quantity 8)
Ignition coils (4 Double Ended)
O2 Sensor Heaters (quantity 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 inch (Discovery LEV Phase II and ULEV only)
DMTL Valve � 0.020 inch (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)