Symptom Table

Symptoms

Reference

Operation

MAIN switch does not turn ON

Diagnosis Procedure 

MAIN switch does not turn OFF

ICC system cannot be set (MAIN switch turns ON/OFF)

Diagnosis Procedure 

CANCEL switch does not function

Diagnosis Procedure 

Resume does not function

Set speed does not increase

Set distance to a vehicle ahead cannot be changed

ICC is not canceled when the CVT selector lever is in "N" position

Diagnosis Procedure 

Display/Chime

ICC system display does not appear

System Description 

Chime does not sound

Diagnosis Procedure 

Control

Driving force is hunting

Diagnosis Procedure 

Function to detect a vehicle ahead

System frequently cannot detect a vehicle ahead

Diagnosis Procedure 

Distance to detect a vehicle ahead is short

System misidentifies a vehicle even though there is no vehicle ahead

• Adjust radar alignment. Refer to Description .
• Perform ICC system action test. Refer to Description .

System misidentifies a vehicle in the next lane

System does not detect a vehicle at all

Diagnosis Procedure