Category Archives: FUSO 4M4

FUSO 4M4 – HYBRID ELECTRIC VEHICLE SYSTEM – TROUBLESHOOTING – Inspections Performed at Electronic Control Unit Connectors

• These inspections aid troubleshooting by enabling you to check whether electronic control unit signals are being correctly transmitted via the vehicle harness and connectors. The white-on-black numbers ( 01 , 02 , and so on) correspond to the similarly printed reference numbers in section “3. Inspections Based on Diagnosis Codes”. 7.1 Electronic control unit… Read More »