ACC Combination Switch Test (Integrated Driver Support System) (2025): Test

How to use this service information .

NOTICE: 

• When working with a vehicle equipped with the electronic air suspension, be sure to set it to the leveling off mode to prevent unexpected operation. Refer to the Electronic Air Suspension System Service Precautions - Refer to: Electronic Air Suspension System Connector Fitting Precautions or Electronic Air Suspension System Service Precautions for the procedure.
• The following describes the details of the Integrated Driver Support System. Refer to Driving Support System Description for the function applied to your vehicle - Refer to: Driving Support System Description (Integrated Driver Support System (Camera and Five Radars)) (2025) or Driving Support System Description (Integrated Driver Support System) (2025) or Driving Support System Description (2022 2023 2024) .

1. ACC Combination Switch - Test

   Preconditions 

   • ACC Combination Switch Removed

   Procedure/Specifications 

   • Check the ACC combination switch according to the table. (Figure 1 and 2)

     NOTICE: 

     • When an LED is located between terminals, check if the LED lights by connecting power and ground to the LED.
     • Note this important operating characteristic; diode bias causes a diode to fully conduct electricity in one direction (forward), while not at all in the opposite direction (reverse).

   Figure 1 

   Courtesy of HONDA, U.S.A., INC.

   Figure 2 

   Courtesy of HONDA, U.S.A., INC.

   Result 

   • If the result is not as specified, replace the ACC combination switch.