Input/Output Signal Chart
WARNING: This page is about a different car, the 2009 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.
INPUT/OUTPUT SIGNAL CHART
| 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 |
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| Engine coolant temperature sensor | Engine coolant temperature | ||||||
| Refrigerant pressure sensor | Refrigerant pressure | ||||||
| Battery | Battery voltage(1) | ||||||
| Unified meter and A/C amp. | Vehicle speed(2) | ||||||
| Air conditioner ON signal(2) | |||||||
| A/C evaporator temperature(2) | |||||||
| Target A/C evaporator temperature(2) | |||||||
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