Fuel Control Input Signals
Fuel system is controlled by ECU based upon the following sensor input signals. If feedback system does not function properly, check input signals before replacing ECU.
FUEL CONTROL SYSTEM INPUT SIGNALS
| Application |
Model Usage |
| A/C Clutch Signal |
Q45 |
| Airflow Meter |
M30 & Q45 |
| Battery Voltage |
M30 & Q45 |
| Crank Angle Sensor |
M30 & Q45 |
| Engine (Coolant) Temperature |
M30 & Q45 |
| Exhaust Gas Temperature Sensor |
M30 & Q45 |
| Fuel Temperature Sensor |
M30 |
| Ignition (START) Switch |
M30 & Q45 |
| Oxygen Sensor |
M30 &
Q45 |
| Park/Neutral (Inhibitor) Switch |
M30 &
Q45 |
| Power Steering Pressure Switch |
Q45 |
| Secondary Throttle Sensor |
Q45 |
| Sub-Crank Angle Sensor |
Q45 |
| Throttle Position Sensor |
M30 & Q45 |
| Throttle (Idle) Switch |
M30 & Q45 |
| Vehicle Speed Sensor |
M30 & Q45 |