High Beam Headlight Circuit [02/2019 - 12/2021]: Procedure

WARNING: This page is about a different car, the 2021 Toyota RAV4, 2020 Toyota RAV4, and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

CHECK LIGHTS

Check the illumination of each high beam light.

Result

Result	Proceed to
LH side high beam light does not illuminate	A
RH side high beam light does not illuminate	B

Result:

See step 5

Result:

See step 2

PERFORM ACTIVE TEST USING TECHSTREAM

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Turn the Techstream on.
Enter the following menus: Body Electrical / AFS / Active Test.

Perform the Active Test according to the display on the Techstream.

Body Electrical > AFS > Active Test

Tester Display	Measurement Item	Control Range	Diagnostic Note
Headlight High Beam	High beam headlights	OFF or ON	-

Body Electrical > AFS > Active Test

Tester Display
Headlight High Beam

High beam headlights turn on.

Result

Proceed to
OK
NG

Result:

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [02/2019 - 08/2020] , or refer to PROBLEM SYMPTOMS TABLE [08/2020 - 12/2021]

Result:

See step 3

CHECK HEADLIGHT UNIT ASSEMBLY LH

Interchange the headlight unit assembly LH with RH and connect the connectors.

Refer to DISASSEMBLY [02/2019 - 08/2020] , or refer to DISASSEMBLY [08/2020 - 12/2021]

Result

Proceed to
NEXT

Result:

See step 4

CHECK OPERATION (HIGH BEAM HEADLIGHT)

Check that the high beam headlight operates normally.

High beam headlight operates normally.

Result

Proceed to
OK
NG

Result:

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [02/2019 - 12/2021]

Result:

REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to DISASSEMBLY [02/2019 - 08/2020] , or refer to DISASSEMBLY [08/2020 - 12/2021]

PERFORM ACTIVE TEST USING TECHSTREAM

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Turn the Techstream on.
Enter the following menus: Body Electrical / AFS (Sub) / Active Test.

Perform the Active Test according to the display on the Techstream.

Body Electrical > AFS (Sub) > Active Test

Tester Display	Measurement Item	Control Range	Diagnostic Note
Headlight High Beam	High beam headlights	OFF or ON	-

Body Electrical > AFS (Sub) > Active Test

Tester Display
Headlight High Beam

High beam headlights turn on.

Result

Proceed to
OK
NG

Result:

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [02/2019 - 08/2020] , or refer to PROBLEM SYMPTOMS TABLE [08/2020 - 12/2021]

Result:

See step 6

CHECK HEADLIGHT UNIT ASSEMBLY RH

Interchange the headlight unit assembly RH with LH and connect the connectors.

Refer to DISASSEMBLY [02/2019 - 08/2020] , or refer to DISASSEMBLY [08/2020 - 12/2021]

Result

Proceed to
NEXT

Result:

See step 7

CHECK OPERATION (HIGH BEAM HEADLIGHT)

Check that the high beam headlight operates normally.

High beam headlight operates normally.

Result

Proceed to
OK
NG

Result:

REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to REMOVAL [02/2019 - 12/2021]

Result:

REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to DISASSEMBLY [02/2019 - 08/2020] , or refer to DISASSEMBLY [08/2020 - 12/2021]