With the sensor connector disconnected, check that pin 2 of the sensor connector is earthed with the
key set to "ON".
Check the continuity between pin 2 of the sensor connector and pin 20 of the engine connector control
unit.
With the palm top computer, compare the value shown with the ambient temperature value.
Throttle valve opening sensor
THROTTLE SENSOR CONNECTOR
1. Control unit (Grey-Black)
2. Control unit (Brown-Yellow)
3. Control unit (Orange-Sky Blue)
Injection GP 800 i.e.
INJEC - 28