| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001G2BU |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 12/2021] |
| Title: LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): B242C,B242D; Right Headlight ECU Malfunction; 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021] | ||
|
DTC |
B242C |
Right Headlight ECU Malfunction |
|
DTC |
B242D |
Left Headlight ECU Malfunction |
DESCRIPTION
The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores a DTC if it detects an internal malfunction.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
Note |
|---|---|---|---|---|---|
|
B242C |
Right Headlight ECU Malfunction |
Detection condition:
Malfunction status:
Malfunction duration:
|
Headlight ECU sub-assembly RH |
HL AutoLeveling (Sub) |
- |
|
B242D |
Left Headlight ECU Malfunction |
Detection condition:
Malfunction status:
Malfunction duration:
|
Headlight ECU sub-assembly LH |
HL AutoLeveling |
- |
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.
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![2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; LIGHTING (EXT): LIGHTING SYSTEM (w/ Headlight ECU without AFS): INITIALIZATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / HL AutoLeveling or HL AutoLeveling (Sub) / Clear DTCs.
(e) Clear the DTCs.
Body Electrical > HL AutoLeveling > Clear DTCs
Body Electrical > HL AutoLeveling (Sub) > Clear DTCs
|
|
2. |
CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Wait for at least maximum 15 minutes.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / HL AutoLeveling or HL AutoLeveling (Sub) / Trouble Codes.
(f) Check for DTCs.
Body Electrical > HL AutoLeveling > Trouble Codes
Body Electrical > HL AutoLeveling (Sub) > Trouble Codes
OK:
DTC B242C and B242D are not output.
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (DTC B242C is output) |
B |
|
NG (DTC B242D is output) |
C |
| A |
|
| B |
|
REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH
|
| C |
|
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH
|
|
|