Use the following procedure to troubleshoot the dynamic radar cruise control system.
*: Use the intelligent tester.
VEHICLE BROUGHT TO WORKSHOP
INSPECT AUXILIARY BATTERY VOLTAGE
Measure the auxiliary battery voltage with the power switch off.
| Standard Voltage |
|---|
| 11 to 14 V |
If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.
CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)*
Use the intelligent tester to check if the CAN communication system is functioning normally.
| Result | ||||||
|---|---|---|---|---|---|---|
|
CHECK FOR DTC*
Refer to DTC Check / Clear (Click here).
Check for DTCs and note any codes that are output.
Clear the DTCs.
Recheck for DTCs. Try to prompt the DTCs by duplicating the conditions indicated by the DTCs.
| Result | ||||||
|---|---|---|---|---|---|---|
|
PROBLEM SYMPTOMS TABLE
Refer to Problem Symptoms Table (Click here).
| Result | ||||||
|---|---|---|---|---|---|---|
|
OVERALL ANALYSIS AND TROUBLESHOOTING*
Terminals of ECU (Click here)
Data List / Active Test (Click here)
ADJUST, REPAIR OR REPLACE
When the millimeter wave radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed (Click here).
CONFIRMATION TEST