Basic TroubleshootingBasic Inspection ProcedureMeasuring Condition of Electronic Parts' ResistanceThe measured resistance at high temperature after vehicle running may be high or low.
DescriptionThe HCU (Hybrid Control Unit) controls whole hybrid systems and is connected with each control modules (ECM, TCM, MCU, BMS ECU etc.) by CAN interface.
Inspection1.Turn the ignition switch ON.2.Connect the GDS.3.Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.4.The voltage will rise with higher intensive light and reduce with lower intensive light.1. Auto light signal2.
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