Measure the resistance between pins No. 20 and No. 17 of multi purpose check connector (20 pins).
Measure the resistance between pins No. 3 and No. 11 of DLC (16 pins).
Specified value : Approx. 60 ?
3.
If the measured vaule is not whithin the specification, check
the terminating resistance between the BMS ECU and the Inverter.
C-CAN Terminating Resistance (BMS ECU)
1.
Turn the ignition OFF and disconnect the auxiliary battery negative (-) terminal.
2.
Lift the vehicle.
3.
After loosening the mounting nut, remove the high voltage battery front under cover (A).
4.
Disconnect the BMS ECU extension connector (A).
5.
Measure the resistance between pins No. 2 (CAN-High) and No. 9 (CAN-Low) of BMS ECU.
Specified value : Approx. 120 ?
Removal
•
Be sure to read and follow the “General Safety Information
and Caution” before doing any work related with the high voltage
system. Failure to follow the safety instructions may result in serious
electrical injuries.
•
Be sure to shut off the high voltage before doing any work
related with the high voltage system(Refer to "High Voltage Shut-off
Procedure"). Failure to follow the safety instructions may result in
serious electrical injuries.
1.
Shut off the high voltage.
(Refer to EV Battery System - "High Voltage Shut-off Procedure")
2.
Remove the high voltage battery pack assembly.
(High Voltage Battery System - Battery Pack Assembly - "Removal")
3.
Remove the safety plug cable assembly bracket mounting bolt (A).
Be sure to read and follow the “General Safety Information
and Caution” before doing any work related with the high voltage
system. Failure to follow the safety instructions may result in serious
electrical injuries.
•
Be sure to shut off the high voltage before doing any work
related with the high voltage system(Refer to "High Voltage Shut-off
Procedure"). Failure to follow the safety instructions may result in
serious electrical injuries.
1.
Install the BMS ECU in the reverse order of removal.
System Circuit Diagram
Connector Location
BMS ECU Connector And Terminal Function
BMS ECU Terminal Function
A Connector [B01-A] (35 Pin) - Voltage Measurement Connector
Pin no.DescriptionCo ...
Specification
ItemSpecificationONRated Voltage (V)450Rated Ampere (A)200Voltage Drop (V)Less than 0.1 (200A)CoilOperation Voltage (V)12Resistance (?)21.6 ~ 26.4 (20°C)
ItemSpecificationNo ...
Inspection
1.
Check the condenser fins for clogging and damage. If clogged,
clean them with water, and blow them with compressed air. If bent,
gently bend them using a screwdriver or pliers.
2.
Check the condenser connections for leakage, and repair or replace it, if required.
Replaceme ...
Battery Management System (BMS) ECU Schematic Diagrams
Main Relay Specifications