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. When the country specification information in the ECU and meter do not match, DTC C1A02 is output.





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (DRIVING SUPPORT ECU)

(a) Connect the use the Techstream to the DLC3.

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

(c) Read the Data List and check the country specification information of the driving support ECU and vehicle.

Radar Cruise





OK:

Country specification information for vehicle and driving support ECU matches.

NG -- REPLACE DRIVING SUPPORT ECU Removal
OK -- Continue to next step.

2. CHECK FOR DTC

(a) Check for DTC Dynamic Radar Cruise Control System.

(b) Clear the DTC Dynamic Radar Cruise Control System.

(c) Recheck for DTC Dynamic Radar Cruise Control System.

OK:

DTC C1A02 is not output.

NG -- REPLACE DRIVING SUPPORT ECU Removal

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