Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM10000000152IT
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 -           ]
Title: LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): High Beam Headlight Circuit; 2018 - 2024 MY Camry HV [07/2017 -        ]

High Beam Headlight Circuit

DESCRIPTION

The headlight ECU sub-assembly controls the high beam headlights.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.

    Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): INITIALIZATION 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): INITIALIZATION

  • If the headlight assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.

    Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): INITIALIZATION 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): INITIALIZATION

PROCEDURE

1.

CHECK LIGHTS

(a) Check the illumination of each high beam lights.

Result

Proceed to

LH side high beam light does not illuminate

A

RH side high beam light does not illuminate

B

B

GO TO STEP 5

A

2.

PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / AFS / Active Test.

(e) 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

OK:

High beam headlight turn on.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): PROBLEM SYMPTOMS TABLE 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): PROBLEM SYMPTOMS TABLE

NG

3.

CHECK HEADLIGHT ASSEMBLY LH

(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly LH with RH and connect the connectors.

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

NEXT

4.

CHECK OPERATION (HIGH BEAM HEADLIGHT)

(a) Check that the high beam headlight operates normally.

OK:

High beam headlight operates normally.

OK

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL

NG

REPLACE HEADLIGHT ASSEMBLY LH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

5.

PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / AFS (Sub) / Active Test.

(e) 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

OK:

High beam headlight turn on.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): PROBLEM SYMPTOMS TABLE 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): PROBLEM SYMPTOMS TABLE

NG

6.

CHECK HEADLIGHT ASSEMBLY RH

(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly RH with LH and connect the connectors.

Click here 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL

NEXT

7.

CHECK OPERATION (HIGH BEAM HEADLIGHT)

(a) Check that the high beam headlight operates normally.

OK:

High beam headlight operates normally.

OK

REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL

NG

REPLACE HEADLIGHT ASSEMBLY RH 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: REMOVAL