Dynamic Radar Cruise Control System

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: C1A01: Driving Support ECU
C1A01 - Driving Support ECU

DESCRIPTION

This DTC indicates the internal abnormalities of the driving support ECU assembly.





INSPECTION PROCEDURE

PROCEDURE

1. READ OUTPUT DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Clear the DTCs Dynamic Radar Cruise Control System.

(d) Perform the following to make sure that the DTC detection conditions are met.

HINT
If the detection conditions are not met, the malfunction cannot be detected.

(1) Drive the vehicle at a speed of 50 km/h (30 mph) and 170 km/h (105 mph).

(2) Turn the cruise control switch (ON-OFF button) on.

(3) Push the -/SET switch to activate the cruise control.

(e) Enter the following menus: Powertrain / Radar Cruise / Trouble Codes.

(f) Read the DTCs.

Result:





B -- REPLACE DRIVING SUPPORT ECU ASSEMBLY Removal

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