Control module inputs
| Control module inputs | 
| 1. | Battery voltage, +30 circuit
(memory) (see  ) | |
| 2. | Battery voltage, +15 circuit (ignition switch) (see  ) | |
| 3. | Main relay (see  ) | |
| 4. | Ground connection (see  ) | |
| 5. | Crankshaft position sensor (see  ) | |
| 6. | Camshaft position sensor (see  ) | |
| 7. | Mass air flow sensor (see  ) | |
| 8. | Throttle position sensor (see  ) | |
| 9. | Engine coolant temperature sensor (see  ) | |
| 10. | Knock sensor (see  ) | |
| 11. | Vehicle speed (see  ) | |
| 12. | DRIVE position on cars with automatic transmission (see  )   | |
| 13. | Oxygen sensor before three way catalytic converter (see  ) | |
| 14. | A/C / ACC status (see  ) | |
| 15. | Diagnostic communication (see  ) | |
| 16. | Low fuel level (see  ) | |
| 17. | Oxygen sensor after three way catalytic converter (see  ) | |
| 18. | Rough road sensor (see  ) | |
| 19. | Torque reduction (see  ) | |
| 20. | CHECK ENGINE request (see  ) | |
| 21. | Radiator fan, ICE (see  ) | |

 
     
		