You should be able to conduct an Output Test with the ECM (key-on, engine-off). If you look at a wiring diagram, you will notice the ECM-(J220) does have a connection to the J293 and this is the signal wire the ECM uses to command the fan 'on', using a PWM (pulsed-width-modulated signal).
This controller does not have diagnostic capabilities and does not communicate with VCDS. The 2003 A4 uses a J293 - Coolant FC (Fan Control) Control Module to control the electric cooling fan, it is located above the electric fan. Labels: 8E0-959-433-MAX.LBLĠ1370 - Alarm triggered by Interior MonitoringĠ1368 - Alarm triggered by Luggage Compartment SwitchĠ1371 - Alarm triggered by Door Contact Switch Driver's SideĠ1572 - Alarm triggered by Door Contact Switch Passenger SideĠ1574 - Alarm triggered by Door Contact Switch Right RearĠ1573 - Alarm triggered by Door Contact Switch Left RearĠ1802 - Door Warning Lamp Pass Side (W36)ĥ7-10 - Electric Circuit Failure - IntermittentĠ1035 - Electric Window Thermal Protection Active PassengerĠ1332 - Door Control Module Passenger Side (J387)
Monitor Labels: 8E0-951-177.LBLĪddress 46: Central Conv.
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