Input/Output Signal Chart
WARNING: This page is about a different car, the 2019 Nissan Armada and 2018 Nissan Armada. 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 |
Engine speed* 1 |
Cooling fan speed request signal* 2 |
IPDM E/R ↓ Electrically-controlled cooling fan coupling |
|
Camshaft position sensor |
Camshaft position |
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|
Engine coolant temperature sensor 1 |
Engine coolant temperature |
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|
Refrigerant pressure sensor |
Refrigerant pressure |
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|
Intake air temperature sensor |
Intake air temperature |
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|
Battery |
Battery voltage |
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|
Combination meter |
Vehicle speed signal* 2 |
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|
BCM |
A/C switch signal* 2 |
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|
Cooling fan speed sensor |
Cooling fan speed |
*1: The ECM determines the engine speed by the signals of crankshaft position and camshaft position.
*2: This signal is sent to ECM via the CAN communication line.