General Information

4WD Control
U0001 CAN Communication Malfunction - General Information

Component Location





General Description

CAN communication is circuit, consists of CAN low line, CAN high line and two resister, installed in Cluster and PCM, to communicate with each control module(PCM, 4WD ECM, TCM, ABS)
PCM, 4WD ECM, TCM and ABS communicate their information to control Engine, Transmission and Brake.

DTC Description

DTC U0001 is set when 4WD ECM detects CAN communication error.

DTC Detecting Condition





Diagnostic Circuit Diagram










Signal Waveform