Ignition System - BOSCH EZK (V6): Description
There are 3 types of the EZK systems. The systems are similar in components and operations. The Volvo 760 and 780 with B280F engines use an EZ115K type.
The EZK system consists of a breakerless Hall Effect distributor, an ignition Electronic Control Unit (ECU), a knock sensor, an LED knock indicator, an amplifier module, ignition coil and a potentiometer and microswitch mounted on the throttle housing.