Figure 1 shows the wiring diagram of the electronic engine management system for the PAZ 4234-05 Cummins ISF3.8 e3168 without SCR.
Figure 2 shows the continuation of the wiring diagram for the electronic engine management system of the PAZ 4234-05 Cummins ISF3.8 e3168 without SCR.
Figure 3 shows the wiring diagram of the electronic engine management system for the PAZ 4234-05 Cummins ISF3.8 s4168 Euro-4 with SCR from 2013 onwards.
Figure 4 shows continuation 1 of the wiring diagram for the electronic engine management system of the PAZ 4234-05 Cummins ISF3.8 s4168 Euro-4 with SCR from 2013 onwards.
Figure 5 shows continuation 2 of the wiring diagram for the electronic engine management system of the PAZ 4234-05 Cummins ISF3.8 s4168 Euro-4 with SCR from 2013 onwards.
Figure 6 shows the wiring diagram of the electronic engine management system for the PAZ 320402-05/320412-05 Cummins ISF3.8 s4168 with SCR from 2013 onwards.
Figure 7 shows continuation 1 of the wiring diagram for the electronic engine management system of the PAZ 320402-05/320412-05 Cummins ISF3.8 s4168 with SCR from 2013 onwards.
Figure 8 shows continuation 2 of the wiring diagram for the electronic engine management system of the PAZ 320402-05/320412-05 Cummins ISF3.8 s4168 with SCR from 2013 onwards.
The diagrams above cover the electrical circuits of the sensors, actuators and the engine control module (ECM) of the Cummins ISF3.8 engine on PAZ 4234-05 and PAZ 320402-05/320412-05 buses: the e3168 variant without selective catalytic reduction (SCR) and the s4168 Euro-4 variant with SCR (from 2013 onwards). These diagrams are intended for diagnostics, fault-finding and repair of the electrical system.
