Diesel Data: Automotive Repair

DTC 593

DTC 593 BATTERY ENERGY CONTROL MODULE

CIRCUIT DESCRIPTION


DTC Detection Condition:




The battery ECU transmits information on the IG2 voltage of the battery ECU to the HV control ECU via CAN communication.

MONITOR DESCRIPTION

Monitor Strategy:




Typical Enabling Conditions:




Typical Malfunction Thresholds:




Component Operating Range:




When the IG2 voltage of the battery ECU, which is transmitted while the power switch is ON (IG), is low, the HV control ECU determines that a wiring malfunction has occurred at the IG2 terminal of battery ECU. When the HV control ECU detects the malfunction, it illuminates the MIL and sets a DTC.

Wiring Diagram:






Step 1:




INSPECTION PROCEDURE