Volvo Workshop Manuals
XC90 AWD V8-4.4L VIN 85 B8444S (2005)
Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Description and Operation > System Overview > Page 1774
The temperature sensor is an NTC sensor. The sensor is supplied with voltage (signal) from and grounded in the engine control module (ECM).
Oil level sensor
The function of the oil level sensor is to provide the engine control module (ECM) with information regarding the level of engine oil in the oil sump.
a terminal with three pins
2 capacitive gauge elements
a PTC resistor.
The oil level sensor is supplied with 5 V by the engine control module (ECM). The oil level sensor generates a pulse width modulated (PWM) signal for
Main relay (system relay)
The function of the main relay (system relay) is to supply certain components with voltage.
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