FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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General Information





4WD Control
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module - General Information

Component Location





General Description

CAN communication is a parallel circuit to interchange information among each units. CAN communication can share much information with units more faster and more efficiently by using specified language.
CAN-High line is twisted with CAN-Low line as a purpose in preventing from a noise.
The operating duty of EMC is maintained at 100 : 0 (2WD) for guaranteeing stabilized driving force, accuracy of the control during inside ABS, FTCS, ESP control.

DTC Description

DTC U0121 is set if 4WD ECM can't receive any response signal from ABS.

DTC Detecting Condition





Specification





Diagnostic Circuit Diagram