Dynamic Radar Cruise Control System

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: C1A02: Vehicle Information Not Obtained
C1A02 - Vehicle Information Not Obtained

DESCRIPTION

When the driving support ECU is replaced with a new one, it acquires the country specification information from the combination meter assembly, main body ECU and power management control ECU. When the country specification information in the driving support ECU do not decision, DTC C1A02 is stored.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Using the Techstream to check if the CAN communication system is functioning normally How to Proceed With Troubleshooting.

Result





B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

2. CHECK WHETHER DTC OUTPUT RECURS

(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 40 km/h (25 mph) or more.

(2) Turn the cruise control main switch 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 Removal

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