Air Suspension System

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: C1783/83: Front Wheels Speed Sensor Signal Malfunction
C1783/83 - Front Wheels Speed Sensor Signal Malfunction

DESCRIPTION

The suspension control ECU receives wheel speed sensor signals through CAN communication system from the skid control ECU.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC (AIR SUSPENSION SYSTEM)

(a) Clear the DTCs Air Suspension System.

(b) Perform a road test.

(c) Check if DTC U0122/71 is output Air Suspension System.

Result





B -- GO TO DTC U0122/71 U0100
A -- Continue to next step.

2. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)

(a) Check if DTC C1783/83 and a brake control system speed sensor malfunction DTC are output Reading and Clearing Diagnostic Trouble Codes.

Result





B -- GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Vehicle Stability Control System

A -- REPLACE SUSPENSION CONTROL ECU Removal