DTC P0564-15

WARNING: This page is about a different variant/trim than selected.

DTC P0564-15 : ACC/LKAS Switch Signal Circuit Open

NOTE:

Before you troubleshoot, review the general troubleshooting information .
The functions of the integrated driver support system that will be temporarily canceled when this DTC is recorded can be confirmed with the DTC troubleshooting index .

DTC Description	DTC
P0564-15 ACC/LKAS Switch Signal Circuit Open

DTC (IDAS)

Problem verification

-1. Turn the vehicle to the ON mode.

-2. Clear the DTC with the HDS.

-3. Turn the vehicle to the OFF (LOCK) mode.

-4. Turn the vehicle to the ON mode, then wait for at least 6 seconds.

-5. Check for DTCs with the HDS.

DTC Description	DTC
P0564-15 ACC/LKAS Switch Signal Circuit Open

Is DTC P0564-15 indicated?

YES

The failure is duplicated. Go to step 2.

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .

Open wire check (LKAS/DIST line) 1

-1. Turn the vehicle to the OFF (LOCK) mode.

-2. Disconnect the following connector.

ACC combination switch 12P connector

-3. Turn the vehicle to the ON mode.

-4. Measure the voltage between test points 1 and 2.

Test condition	Vehicle ON mode
	ACC combination switch 12P connector: disconnected
Test point 1	ACC combination switch 12P connector (female terminals) No. 12:
Test point 2	Body ground

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

Is there about 5 V?

YES

Go to step 3.

Go to step 7.

Determine possible failure area (ACC combination switch, others)

-1. Measure the voltage between test points 1 and 2.

Test condition	Vehicle ON mode
	ACC combination switch 12P connector: disconnected
Test point 1	ACC combination switch 12P connector (female terminals) No. 12:
Test point 2	ACC combination switch 12P connector (female terminals) No. 5:

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

Is there about 5 V?

YES

Replace the ACC combination switch .

Go to step 4.

Open wire check (CRUISE_GND line) 1

-1. Turn the vehicle to the OFF (LOCK) mode.

-2. Disconnect the following connector.

Cable reel connector D (20P)

-3. Measure the resistance between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode
	ACC combination switch 12P connector: disconnected
	Cable reel connector D (20P): disconnected
Test point 1	ACC combination switch 12P connector (female terminals) No. 5:
Test point 2	Cable reel connector D (20P) (female terminals) No. 17:

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

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

Is there 1.0 Ω or less?

YES

Go to step 5.

Repair an open in the CRUISE_GND wire between the ACC combination switch and the cable reel.

Cable reel check

-1. Remove the cable reel .

-2. On the cable reel side, measure the resistance between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode
	ACC combination switch 12P connector: disconnected
	Cable reel connector A (20P): disconnected
	Cable reel connector D (20P): disconnected
Test point 1	Cable reel connector A (20P) (male terminals) No. 5:
Test point 2	Cable reel connector D (20P) (male terminals) No. 17:

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

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

Is there 1.0 Ω or less?

YES

Go to step 6.

Replace the cable reel .

Open wire check (CRUISE_GND line) 2

-1. Disconnect the following connector.

Gauge control module connector A (32P)

-2. Measure the resistance between test points 1 and 2.

Test condition	Vehicle OFF (LOCK) mode
	ACC combination switch 12P connector: disconnected
	Cable reel connector A (20P): disconnected
	Cable reel connector D (20P): disconnected
	Gauge control module connector A (32P): disconnected
Test point 1	Gauge control module connector A (32P) No. 5

Test point 2

Cable reel connector A (20P) (female terminals) No. 5:

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

Is there 1.0 Ω or less?

YES

Replace the gauge control module .

Repair an open in the CRUISE_GND wire between the gauge control module and the cable reel.

Open wire check (LKAS/DIST line) 2

-1. Turn the vehicle to the OFF (LOCK) mode.

-2. Disconnect the following connector.

Cable reel connector D (20P)

-3. Turn the vehicle to the ON mode.

-4. On the cable reel side, measure the voltage between test points 1 and 2.

Test condition	Vehicle ON mode
	ACC combination switch 12P connector: disconnected
	Cable reel connector D (20P): disconnected
Test point 1	Cable reel connector D (20P) (male terminals) No. 20:
Test point 2	Body ground

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

Is there about 5 V?

YES

Repair an open in the LKAS/DIST wire between the ACC combination switch and the cable reel.

Go to step 8.

Cable reel check

-1. Turn the vehicle to the OFF (LOCK) mode.

-2. Disconnect the following connector.

Cable reel connector A (20P)

-3. Turn the vehicle to the ON mode.

-4. Measure the voltage between test points 1 and 2.

Test condition	Vehicle ON mode
	ACC combination switch 12P connector: disconnected
	Cable reel connector A (20P): disconnected
	Cable reel connector D (20P): disconnected
Test point 1	Cable reel connector A (20P) (female terminals) No. 8:
Test point 2	Body ground

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

Is there about 5 V?

YES

Replace the cable reel .

Go to step 9.

Open wire check (DISTANCE_SW line)

-1. Turn the vehicle to the OFF (LOCK) mode.

-2. Disconnect the following connector.

Gauge control module connector A (32P)

-3. Measure the resistance between test points 1 and 2.

Test condition	Vehicle OFF mode
	ACC combination switch 12P connector: disconnected
	Cable reel connector D (20P): disconnected
	Cable reel connector A (20P): disconnected
	Gauge control module connector A (32P): disconnected
Test point 1	Gauge control module connector A (32P) No. 28
Test point 2	Cable reel connector A (20P) (female terminals) No. 8:

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

Is there 1.0 Ω or less?

YES

Replace the gauge control module .

Repair an open in the DISTANCE_SW wire between the gauge control module and the cable reel.