Electronic Control Unit - Ignition (850): Notes
WARNING: This page is about a different car, the 1994 Volvo 960, 1994 Volvo 940, and 1994 Volvo 850. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
When measuring resistance and voltage at ECU, use Measuring Unit (981 3190
) and Adapter (981 3195
). See Figure
. DO NOT measure resistance and voltage at ECU connector. Before disconnecting/connecting control unit connector, disconnect negative battery cable.