PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:C1A02
| DTC Code | DTC Name |
|---|---|
| C1A02 | Vehicle Information Not Obtained |
DESCRIPTION
When a new driving support ECU assembly is installed, it receives vehicle specification information from the main body ECU (multiplex network body ECU) and memorizes the information.
DTC C1A02 is stored when the driving support ECU assembly receives the vehicle specification information from the main body ECU (multiplex network body ECU) but cannot record it.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
C1A02 |
Vehicle Information Not Obtained |
Inconsistent vehicle specification information between the main body ECU (multiplex network body ECU) and driving support ECU assembly continues for 1 second or more while the vehicle is being driven at a speed of 51 km/h (31 mph) or more. |
Driving support ECU assembly |
CAUTION / NOTICE / HINT
First check the CAN communication system by following How to Proceed with Troubleshooting. After checking that there are no malfunctions in the CAN communication system, proceed with troubleshooting.
When replacing the driving support ECU assembly, always replace it with a new one. If a driving support ECU assembly which was installed to another vehicle is used, the information stored in the driving support ECU assembly will not match the information from the vehicle. As a result, a DTC may be stored.
PROCEDURE
CHECK FOR DTC
Clear the DTCs.
Body Electrical > Pre-Crash 2 > Clear DTCs
Make sure that the DTC detection conditions are met (drive the vehicle at a speed of 51 km/h [31 mph] or more).
Tip:If the detection conditions are not met, the system cannot detect the malfunction.
Check for DTCs.
Body Electrical > Pre-Crash 2 > Trouble Codes
OK
DTC C1A02 is not output.
Result
Proceed to
OK
NG