Air Suspension System (w/ AVS)
SUSPENSION CONTROL: AIR SUSPENSION SYSTEM (w/ AVS): U0100,U0122,U0126: Lost Communication with ECM / PCM "A"
U0126 - Lost Communication with Steering Angle Sensor Module
DESCRIPTION
The suspension control ECU inputs signals from the skid control ECU and ECM via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system first.
INSPECTION PROCEDURE
PROCEDURE
1. CHECK FOR DTC
(a) Clear the DTC Air Suspension System (w/ AVS).
(b) Perform a road test.
(c) Check if DTC U0100, U0122 or U0126 are output Air Suspension System (w/ AVS).
Result
HINT
If a CAN communication malfunction DTC and a related sensor malfunction DTC are output at the same time, the CAN communication malfunction must be repaired before troubleshooting the sensor malfunction DTC.
B -- USE SIMULATION METHOD TO CHECK Electronic Circuit Inspection Procedure
A -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Initial Inspection and Diagnostic Overview