Exterior Lights Symptom Troubleshooting - LED headlight does not go off

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

Combination light switch OFF position check

-1. Connect the HDS to the data link connector (DLC) .

-2. Turn the combination light switch OFF.

-3. Check the parameter(s) below with the HDS.

Signal	Threshold		Current conditions
Signal	Values	Unit	Values	Unit
Headlight Switch (HEADLIGHT)	OFF

Is data list values correct?

YES

Go to step 4.

Go to step 2.

Combination light switch check
-1. Turn the vehicle to the OFF (LOCK) mode.

-2. Do the combination light switch test .

Is the switch OK?

YES

Go to step 3.

NO

Replace the combination light switch .

Shorted wire check (H/L_ON_SW line)

-1. Disconnect the following connectors.

Body control module connector C (28P)
Automatic lighting/rain sensor 5P connector (with automatic wiper)
Automatic lighting control unit-sensor 5P connector (without automatic wiper)

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

Test condition	Vehicle OFF (LOCK) mode Combination light switch 12P connector: disconnected Body control module connector C (28P): disconnected Automatic lighting/rain sensor 5P connector (with automatic wiper): disconnected Automatic lighting control unit-sensor 5P connector (without automatic wiper): disconnected
Test point 1	Combination light switch 12P connector (female terminals) No. 7:
Test point 2	Body ground

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

Is there 1.0 MΩ or more?

YES

The H/L_ON_SW wire is OK. Replace the body control module .

Repair a short to ground in the wire.

DTC check

-1. Clear the DTCs with the HDS.

-2. Turn the vehicle to the OFF (LOCK) mode then the ON mode.

-3. Wait for at least 10 seconds.

-4. Check for Relay Control Module DTCs with the HDS.

DTC (Relay Control Module)

DTC Description	DTC

Are any DTCs indicated?

YES

Go to the indicated DTC's troubleshooting .

Repair a short to power in the H/L HI or H/L LO wire.