Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001G2CI
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 12/2021]
Title: LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): Headlight Beam Level Control Actuator Circuit; 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]

Headlight Beam Level Control Actuator Circuit

DESCRIPTION

The headlight ECU sub-assemblies operate the headlight leveling motors according to the vehicle conditions.

WIRING DIAGRAM

for Triple Beam Headlight

for Single Beam Headlight

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 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): INITIALIZATION

PROCEDURE

1.

PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON (READY)*1 or start the engine*2.

  • *1: for HV Model
  • *2: for Gasoline Model

(c) Turn the Techstream on.

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

(e) Perform the Active Test according to the display on the Techstream.

Body Electrical > HL AutoLeveling > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

Drive The Leveling Motor

Headlight leveling motor upward or downward operation

Stop, Down or Up

Perform the Active Test with the ignition switch is ON (READY)*1 or the engine started*2 and vehicle stopped

  • *1: for HV Model
  • *2: for Gasoline Model

Body Electrical > HL AutoLeveling > Active Test

Tester Display

Drive The Leveling Motor

OK:

Headlight leveling motors operate normally.

Result

Proceed to

OK

A

NG (for LH Side)

B

NG (for RH Side)

C

A

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): PROBLEM SYMPTOMS TABLE 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): PROBLEM SYMPTOMS TABLE

C

GO TO STEP 4

B

2.

CHECK HEADLIGHT UNIT ASSEMBLY LH

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

for Triple Beam Headlight:

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY

for Single Beam Headlight:

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY

NEXT

3.

CHECK OPERATION (AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM)

(a) Check that the headlight leveling motor LH operates normally.

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): OPERATION CHECK 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): OPERATION CHECK

OK:

Headlight leveling motor LH operates normally.

Result

Proceed to

OK

A

NG (for Triple Beam Headlight)

B

NG (for Single Beam Headlight)

C

A

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL

B

REPLACE HEADLIGHT UNIT ASSEMBLY LH 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY

C

REPLACE HEADLIGHT UNIT ASSEMBLY LH 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY

4.

CHECK HEADLIGHT UNIT ASSEMBLY RH

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

for Triple Beam Headlight:

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY

for Single Beam Headlight:

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY

NEXT

5.

CHECK OPERATION (AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM)

(a) Check that the headlight leveling motor RH operates normally.

Click here 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): OPERATION CHECK 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): OPERATION CHECK

OK:

Headlight leveling motor RH operates normally.

Result

Proceed to

OK

A

NG (for Triple Beam Headlight)

B

NG (for Single Beam Headlight)

C

A

REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; LIGHTING (EXT): HEADLIGHT ECU: REMOVAL

B

REPLACE HEADLIGHT UNIT ASSEMBLY RH 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY (for Triple Beam Headlight): DISASSEMBLY

C

REPLACE HEADLIGHT UNIT ASSEMBLY RH 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): HEADLIGHT ASSEMBLY(for Single Beam Headlight): DISASSEMBLY