Input/Output Signal Chart
WARNING: This page is about a different car, the 2013 Infiniti M56. However, it is still accessible from the selected car via links, so may be relevant.
| Sensor | Input signal to ECM | ECM function | Actuator | ||||
|---|---|---|---|---|---|---|---|
| Crankshaft position sensor Camshaft position sensor |
Engine speed(1) | Cooling fan control | IPDM E/R ↓ Cooling fan control module ↓ Cooling fan motor |
||||
| Engine coolant temperature sensor | Engine coolant temperature | ||||||
| Refrigerant pressure sensor | Refrigerant pressure | ||||||
| Battery | Battery voltage(1) | ||||||
| Combination meter | Vehicle speed(2) | ||||||
| A/C auto amp. | A/C ON signal(2) | ||||||
| A/C evaporator temperature(2) | |||||||
| Target A/C evaporator temperature(2) | |||||||
| Blower ON signal | |||||||
|
|||||||