You will need a diagnostic to reset any dash lights, there is a hand held device that should cover MEMS 1.9 and MEMS 3
Diagnostic Reader for TF, this will be the same as the later Freelanders, tech info below,
ELM327 OBD OBD2 CAN-BUS Interface Scanner
The ELM 327 interface is the latest and most powerful member of the ELM family and is compatible with a wider range of protocols than before:
· J1850 VPW
· J1850 PWM
· ISO9141-2
· ISO14230-4 (KWP2000)
· ISO15756-4 (CAN)
Functions:
· Reads and displays all trouble codes and their descriptions including generic and manufacturer codes
· Clears all codes and turns off the check engine (MIL) light
· Arrange, add and delete codes to your own specification
· Views maximum, minimum and current values of codes
· Exports data for spreadsheet formatting and printing
· Monitor and record real time data and produce graphs
Real time data includes just some of the following:
· Absolute throttle position
· Air flow rate
· Calculated load value
· Coolant temperature
· Engine RPM
· Fuel pressure
· Fuel system status
· Intake air temperature
· Intake manifold pressure
· Long term fuel trim
· Oxygen sensor voltages/associated short term fuel trims
· Short term fuel trim
· Timing advance
· Vehicle speed
Specifications:
· ELM chip installed
· Connects to your PCs RS232 serial port
· Baud rate: 9600 or 38400
· Also works on Palm OS, Pocket PCs and Unix (connector not included)
· LED status lights - OBD: TX & RX and RS232 : TX, RX & power
· Operating voltage: 12V - includes internal protection fro short circuits and over voltage
· Nominal idle current: 45 mA
· Tough construction
· No need for adapter or batteries takes its power directly from the vehicles OBD2 plug