4x4. Short pins A and J on the diag plug15 Oil Temperature Sensor Voltage high
24 No Speed Signal
31 No Engine RPM Signal
32 Pressure Switch Faulty
33 Solenoid Valve ? Voltage High (on 1992 models will give this code if tx box overheated to 160°C) or if fuse 19 removed.
34 Solenoid Valve ? Voltage Low
37 Brake Lamp Switch 39 No ABS signal (MPH) or 0 MPH and 2300rpm for greater than 15 seconds
55 ECU Faulty71 Brake switch Voltage high
72 Brake switch Voltage low
73 Car stopped without using brakes from speeds greater than 37mph
74 PAS pressure low, less than 10 bar
75 Oil Temperature Sensor Voltage low or
Transfer box overheated to 160°C (or 140°C for speeds greater than 118mph)
Blue items apply only to Later models, approx 1994 Model year L reg which do not have mechanical speedo cables.