U0100

DTC U0100 LOST COMMUNICATION WITH ECM/PCM

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The ECM and ABS & traction actuator assy (skid control ECU) transmit the data for vehicle general control and diagnosis function along the communication line.

The ECM receives the alarm demand signal and brake demand signal from the cruise control ECU (distance control ECU), and transmits them to the ABS & traction actuator assy (skid control ECU).

Wiring Diagram:

Step 1 - 2:

INSPECTION PROCEDURE