Engine speed remote control
â–¶ How to fix
Check circuit connections and connectors. Check potentiometer resistance.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
There has been a signal error from the external engine speed potentiometer, i.e. the sensor voltage has been below 0.25V or above 3.0V.
Possible cause
Short circuit or open circuit in the external engine speed potentiometer circuit or fault on the potentiometer.