FixVault

Input/Output Signal Chart

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. 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 (POS)

Camshaft position sensor (PHASE)

Engine speed* 1

Cooling fan speed request signal

IPDM E/R

Cooling fan motor

Engine coolant temperature sensor

Engine coolant temperature

Refrigerant pressure sensor

Refrigerant pressure

Battery

Battery voltage* 1

Combination meter

Vehicle speed signal* 2

A/C auto amp.

A/C ON signal* 2

A/C evaporator temperature* 2

Target A/C evaporator temperature* 2

Blower fan ON signal* 2

*1: The ECM determines the start signal status by the signals of engine speed and battery voltage.

*2: This signal is sent to ECM via the CAN communication line.