Set Speed cannot be Changed. Current Vehicle Speed cannot be Set. Cannot resume cruise control system. (RES/+, SET/- does not Function) [11/2021 - ]: Procedure

1. Check the EyeSight steering switch.

   Refer to Check EyeSight Steering Switch [11/2021 - ] 

   Is the check result OK?

   Result	Proceed to
   YES	A
   NO (Repair or replace the faulty portion according to the inspection result.)	B

Result: 

B 

REPAIR OR REPLACE THE FAULTY PORTION ACCORDING TO THE INSPECTION RESULT 

Result: 

A 

See step  2

1. Using CHECK LIST (ADAPTIVE CRUISE CONTROL), check the following and respond to it.

   Refer to CHECK LIST [11/2021 - 12/2023] , or refer to CHECK LIST [12/2023 - ]

   • Does it apply to the condition that the adaptive cruise control cannot operate?
   • Does it apply to the condition that the adaptive cruise control is unintentionally canceled?

   Is there a relevant item in the check list?

   Result	Proceed to
   YES (When there is a relevant item, it can be the cause of malfunction. Eliminate the cause, and check that the malfunction has been improved.)	A
   NO	B

Result: 

A 

WHEN THERE IS A RELEVANT ITEM, IT CAN BE THE CAUSE OF MALFUNCTION. 

ELIMINATE THE CAUSE, AND CHECK THAT THE MALFUNCTION HAS BEEN IMPROVED.

Result: 

B 

See step  3

1. Check the input signal of cruise control system.

   Refer to DIAGNOSIS SYSTEM [11/2021 - 12/2023] , or refer to DIAGNOSIS SYSTEM [12/2023 - ]

   Is the check result OK?

   Result	Proceed to
   YES	A
   NO (When the operation and the indication do not match, check applicable items.)	B

Result: 

B 

WHEN THE OPERATION AND THE INDICATION DO NOT MATCH, CHECK APPLICABLE ITEMS 

Result: 

A 

See step  4

1. Check for presence of adaptive cruise control cancel codes.

   Refer to CANCEL CODE [11/2021 - 12/2023] , or refer to CANCEL CODE [12/2023 - ]

   Is a cancel code displayed?

   Result	Proceed to
   YES (The cruise control is canceled due to the displayed cancel code content. System is normal.)	A
   NO	B

Result: 

A 

THE CRUISE CONTROL IS CANCELED DUE TO THE DISPLAYED CANCEL CODE CONTENT. SYSTEM IS NORMAL. 

Result: 

B 

See step  5

1. Check for the presence of ECM cancel codes.

   Refer to CANCEL CODE [11/2021 - 12/2023] , or refer to CANCEL CODE [12/2023 - ]

   Is a cancel code displayed?

   Result	Proceed to
   YES (Perform the diagnosis for the displayed cancel code.)	A
   NO (It is possible that the cancel code is deleted. Therefore, reproduce the failure, and then perform the diagnosis again.)	B

Result: 

A 

PERFORM THE DIAGNOSIS FOR THE DISPLAYED CANCEL CODE 

Refer to CANCEL CODE [11/2021 - 12/2023] , or refer to CANCEL CODE [12/2023 - ]

Result: 

B 

IT IS POSSIBLE THAT THE CANCEL CODE IS DELETED. THEREFORE, REPRODUCE THE FAILURE, AND THEN PERFORM THE DIAGNOSIS AGAIN.