HI,
Graham, quick resistance test without going in to volts checks etc,
pin 30 and 11, at ecu plug,300/600.ohms and pin 30/15, 3000/6000, kohms,
ok, one easy volts check,pin 30,+11-.ignition on 4.5 to 5.5volts at map sensor
plug ignition on, by the way when removing or replacing ecu plug make sure
ignition is off,
Dave,