Adaptive Cruise Control (ACC) Symptom Troubleshooting - Senses a vehicle driving in another lane
Senses a vehicle driving in another lane
1.
Problem verification 1:

Problem verification 1
?1.
Find out when and under what conditions the system has misdetections.

Do they occur within 20 minutes or less?

     
YES
     
     
     
Go to step 2.
     
NO
     
     
     
Explain to the customer that system misdetections are sometimes caused by the environment (weather, road conditions, driving conditions, etc.).?
2.
Problem verification 2:

Problem verification 2
?1.
Find out if the detection problem occurs only with certain types of vehicles (dirty vehicle, tall vehicle, motorcycle, or special vehicle).

Does it occur only with certain types of vehicles?

     
YES
     
     
     
Explain to the customer that the system sometimes cannot detect certain vehicle types.?
     
NO
     
     
     
Go to step 3.
3.
Vehicle's history check:

Vehicle's history check
?1.
Check the vehicle's history for front end collision repairs.

Has the vehicle been in a collision and repaired?

     
YES
     
     
     
Go to step 4.
     
NO
     
     
     
Go to step 5.
4.
Millimeter wave radar installation check:

Millimeter wave radar installation check
?1.
Check if the millimeter wave radar assembly is installed correctly, and also check if the vehicle frame is straight.

Are all parts installed correctly?

     
YES
     
     
     
Go to step 5.
     
NO
     
     
     
Reinstall the part correctly, or if damaged, replace the part, then aim the millimeter wave radar.?
5.
Wheel alignment check:

Wheel alignment check
?1.
Check the wheel alignment.

Is the wheel alignment OK?

     
YES
     
     
     
     
NO