| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001HG5Z |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [02/2019 - 12/2021] |
| Title: LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): B2424,B2425; Headlight Beam Level Control Motor LH Lost Communication; 2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021] | ||
|
DTC |
B2424 |
Headlight Beam Level Control Motor LH Lost Communication |
|
DTC |
B2425 |
Headlight Beam Level Control Motor RH Lost Communication |
DESCRIPTION
Each headlight ECU sub-assembly and headlight swivel and leveling motor communicate via LIN communication.
The headlight swivel and leveling motor operates according to power supplied and automatic headlight beam level control signals from its respective headlight ECU sub-assembly and sends its operating state to the headlight ECU sub-assembly.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
|---|---|---|---|---|
|
B2424 |
Headlight Beam Level Control Motor LH Lost Communication |
Detection condition:
Malfunction status:
Malfunction duration:
|
|
AFS |
|
B2425 |
Headlight Beam Level Control Motor RH Lost Communication |
Detection condition:
Malfunction status:
Malfunction duration:
|
|
AFS |
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
![2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ AFS): INITIALIZATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CLEAR DTC |
(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 / Clear DTCs.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs
|
|
2. |
CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Wait 10 seconds or more.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(f) Check for DTCs.
Body Electrical > AFS > Trouble Codes
OK:
DTC B2424 and B2425 are not output.
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (DTC B2424 is output) |
B |
|
NG (DTC B2425 is output) |
C |
|
NG (DTC B2424 and B2425 are output) |
D |
| A |
|
| C |
|
| D |
|
|
|
3. |
INSPECT HEADLIGHT ECU SUB-ASSEMBLY LH |
|
*a |
Component without harness connected (Headlight ECU Sub-assembly LH) |
- |
- |
(a) Remove the headlight ECU sub-assembly LH.
Click here
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A11-20 (LINL) - C-13 (LINLI) |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
|
4. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH) |
(a) Disconnect the A11 headlight ECU sub-assembly LH connector.
(b) Disconnect the A12 headlight ECU sub-assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A11-20 (LINL) - A12-20 (LINL) |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
CHECK HEADLIGHT ECU SUB-ASSEMBLY LH (LINL TERMINAL SIGNAL OUTPUT) |
|
*a |
Front view of wire harness connector (to Headlight ECU Sub-assembly RH) |
(a) Disconnect the headlight ECU sub-assembly RH connector.
(b) Using the Techstream, check the waveform.
OK:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
A12-20 (LINL) - Body ground |
Power switch on (IG) |
Pulse generation |
| NG |
|
|
|
6. |
INSPECT HEADLIGHT ECU SUB-ASSEMBLY RH |
|
*a |
Component without harness connected (Headlight ECU Sub-assembly RH) |
- |
- |
(a) Remove the headlight ECU sub-assembly RH.
Click here
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A12-20 (LINL) - C-13 (LINLI) |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
|
7. |
CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH) |
(a) Disconnect the A11 headlight ECU sub-assembly LH connector.
(b) Disconnect the A12 headlight ECU sub-assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A11-20 (LINL) or A12-20 (LINL) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
8. |
CLEAR DTC |
(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 / Clear DTCs.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs
|
|
9. |
CHECK FOR DTC |
(a) Disconnect the A12 headlight ECU sub-assembly RH connector.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Wait 10 seconds or more.
(e) Turn the Techstream on.
(f) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(g) Check for DTCs.
Body Electrical > AFS > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC B2425 is output |
A |
|
DTC B2424 and B2425 are output |
B |
| B |
|
|
|
10. |
CLEAR DTC |
(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 / Clear DTCs.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs
|
|
11. |
CHECK FOR DTC |
(a) Remove the headlight ECU sub-assembly RH from headlight unit assembly RH.
Click here
(b) Reconnect the A12 headlight ECU sub-assembly RH connector.
(c) Connect the Techstream to the DLC3.
(d) Turn the power switch on (IG).
(e) Wait 10 seconds or more.
(f) Turn the Techstream on.
(g) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(h) Check for DTCs.
Body Electrical > AFS > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC B2425 is output |
A |
|
DTC B2424 and B2425 are output |
B |
| A |
|
| B |
|
|
12. |
CLEAR DTC |
(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 / Clear DTCs.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs
|
|
13. |
CHECK FOR DTC |
(a) Remove the headlight ECU sub-assembly LH from headlight unit assembly LH.
Click here
(b) Reconnect the A11 headlight ECU sub-assembly LH connector.
(c) Connect the Techstream to the DLC3.
(d) Turn the power switch on (IG).
(e) Wait 10 seconds or more.
(f) Turn the Techstream on.
(g) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(h) Check for DTCs.
Body Electrical > AFS > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC B2424 is output |
A |
|
DTC B2424 and B2425 are output |
B |
| A |
|
| B |
|
|
|