FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Dynamic Radar Cruise Control System





CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: U0100, U0122, U0123, U0126, U0235, U1104: Lost Communication with ECM / PCM "A"
U1104 - Lost Communication with Driving Support ECU

DESCRIPTION

This DTC is output when a communication malfunction occurs between the sensors and ECUs.





INSPECTION PROCEDURE

Refer to CAN communication system DTC U0100 CAN Communication System.

Refer to CAN communication system DTC U0122 CAN Communication System.

Refer to CAN communication system DTC U0123 CAN Communication System.

Refer to CAN communication system DTC U0126 CAN Communication System.

Refer to CAN communication system DTC U0235 CAN Communication System.

Refer to CAN communication system DTC U1104 CAN Communication System.

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Select "Bus Check" from the "System Select" Diagnosis System

(b) Select "Communication Malfunction DTC" from the "Bus Check" screen, and then select "Enter" Diagnosis System

OK:

CAN communication system DTC is not output.

NG -- GO TO CAN COMMUNICATION SYSTEM CAN Communication System

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting