Sensor ground/reference ground
| Sensor ground/reference ground | 
 
  
  Sensor ground
The following sensors are connected to ground via control module pin 71:| • | Throttle position
sensor | |
| • | Knock sensor. | |
| • | Rough road sensor. | |
| • | Coolant temperature sensor. | |
Reference ground
The control module provides a reference ground on: 
   
   | • | pin 40 for the front heated oxygen
sensor | |
| • | pin 11 for the rear heated oxygen sensor | |
| • | pin 14 for the mass air flow sensor | |

 
     
		