Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001H3XR
Model Year Start: 2019 Model: RAV4 Prod Date Range: [02/2019 - 12/2021]
Title: LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): Front Side Marker Light Circuit; 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]

Front Side Marker Light Circuit

DESCRIPTION

When the light control switch is in the TAIL or HEAD position, the main body ECU (multiplex network body ECU) sends an illumination request signal to the headlight ECU sub-assembly LH/RH to illuminate the front side marker lights.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Inspect the bulbs for circuits related to this system before performing the following procedure.
  • 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 [02/2019 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): INITIALIZATION

PROCEDURE

1.

CHECK LIGHTS

(a) Check the illumination of each front side marker light.

Result

Proceed to

LH side front side marker light does not illuminate

A

RH side front side marker light does not illuminate

B
B

GO TO STEP 7

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

Clearance Light

Parking lights

OFF or ON

-

Body Electrical > AFS > Active Test

Tester Display

Clearance Light

OK:

Front side marker light illuminates.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): PROBLEM SYMPTOMS TABLE 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): PROBLEM SYMPTOMS TABLE

NG

3.

CHECK HEADLIGHT UNIT ASSEMBLY LH AND BULB SOCKET (FRONT SIDE MARKER LIGHT SOCKET AND WIRE) LH

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

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

(b) Interchange the bulb socket (front side marker light socket and wire) LH with RH and connect the connectors.

Click here 2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; LIGHTING (EXT): FRONT SIDE MARKER LIGHT BULB: REPLACEMENT

NEXT

4.

CHECK OPERATION (FRONT SIDE MARKER LIGHT)

(a) Check the operation of front side marker light.

Result

Proceed to

LH side front side marker light does not illuminate

A

RH side front side marker light does not illuminate

B
A

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH

B

5.

CHECK BULB SOCKET (FRONT SIDE MARKER LIGHT SOCKET AND WIRE) LH

(a) Interchange the bulb socket (front side marker light socket and wire) LH with RH and connect the connectors.

Click here 2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; LIGHTING (EXT): FRONT SIDE MARKER LIGHT BULB: REPLACEMENT

NEXT

6.

CHECK OPERATION (FRONT SIDE MARKER LIGHT)

(a) Check the operation of front side marker light.

Result

Proceed to

LH side front side marker light does not illuminate

A

RH side front side marker light does not illuminate

B
A

REPLACE HEADLIGHT UNIT ASSEMBLY LH

B

REPLACE BULB SOCKET (FRONT SIDE MARKER LIGHT SOCKET AND WIRE) LH

7.

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

Clearance Light

Parking lights

OFF or ON

-

Body Electrical > AFS (Sub) > Active Test

Tester Display

Clearance Light

OK:

Front side marker light illuminates.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): PROBLEM SYMPTOMS TABLE 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): PROBLEM SYMPTOMS TABLE

NG

8.

CHECK HEADLIGHT UNIT ASSEMBLY RH AND BULB SOCKET (FRONT SIDE MARKER LIGHT SOCKET AND WIRE) RH

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

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

(b) Interchange the bulb socket (front side marker light socket and wire) RH with LH and connect the connectors.

Click here 2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; LIGHTING (EXT): FRONT SIDE MARKER LIGHT BULB: REPLACEMENT

NEXT

9.

CHECK OPERATION (FRONT SIDE MARKER LIGHT)

(a) Check the operation of front side marker light.

Result

Proceed to

RH side front side marker light does not illuminate

A

LH side front side marker light does not illuminate

B
A

REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH

B

10.

CHECK BULB SOCKET (FRONT SIDE MARKER LIGHT SOCKET AND WIRE) RH

(a) Interchange the bulb socket (front side marker light socket and wire) RH with LH and connect the connectors.

Click here 2019 - 2024 MY RAV4 RAV4 HV [02/2019 -        ]; LIGHTING (EXT): FRONT SIDE MARKER LIGHT BULB: REPLACEMENT

NEXT

11.

CHECK OPERATION (FRONT SIDE MARKER LIGHT)

(a) Check the operation of front side marker light.

Result

Proceed to

RH side front side marker light does not illuminate

A

LH side front side marker light does not illuminate

B
A

REPLACE HEADLIGHT UNIT ASSEMBLY RH

B

REPLACE BULB SOCKET (FRONT SIDE MARKER LIGHT SOCKET AND WIRE) RH